Planning for family trips or moving requires reliable roof cargo solutions that maximize space without sacrificing vehicle performance. The Thule Motion 3 stands out as the best overall for its combination of durability, ease of installation, and aerodynamic design. For those prioritizing affordability, the SportRack Vista XL offers a generous capacity at a lower price point. Meanwhile, the Pelican Cargo Cases excel in ruggedness for heavy-duty needs. Buyers face tradeoffs between capacity, ease of access, and price—understanding these differences is key to selecting the right cargo box. Continue reading for a detailed comparison of the top options.
Key Takeaways
- Top picks balance capacity with ease of access, with dual-side opening models making loading more straightforward.
- Durability varies significantly, with hard-shell options offering better weather resistance and security than soft bags.
- Ease of installation and compatibility differ; models with tool-free mounting are more user-friendly for non-experts.
- Price ranges reflect differences in capacity, build quality, and brand reputation—higher cost generally means more features.
- Design and aerodynamics influence vehicle fuel efficiency; more aerodynamic shapes reduce drag during travel.
| FIVKLEMNZ 21 Cubic Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with/Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock | ![]() | Best Overall for Versatile and Expandable Roof Storage | Capacity: 21 Cubic Feet | Material: 840D PVC | Dimensions: 52 x 40 x 18 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| GarveeTech Rooftop Cargo Box Carrier,Dual-Side Opening Roof Mount Travel Luggage Storage Capacity,165 LBS Weight Capacity with Secure Straps&Keys, Vehicle Hard-Shell Carriers,Black (14 Cubic) | ![]() | Best Value Hard-Shell for Weatherproof Durability | Capacity: 14 Cubic Feet | Material: ABS Plastic | Dimensions: 54.3 x 31.5 x 13.4 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| Dual-Side Rooftop Cargo Box with 165 lbs Capacity | ![]() | Best Basic Hard Shell with Dual Access | Capacity: 12 Cubic Feet | Material: ABS Plastic | Dimensions: 54.3 x 31.5 x 13.4 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| RoofPax XXL 28 cuft Waterproof Rooftop Cargo Carrier with Patented Mounting System | ![]() | Best for Extra-Large Capacity and Heavy-Duty Use | Capacity: 28 cuft | Waterproof Rating: 100% | Compatibility: Vehicles with/without roof racks | VIEW LATEST PRICE | See Our Full Breakdown |
| Perflex Rooftop Cargo Box Carrier – Large 17.7 Cu Ft with Dual Side Opening and 130 lbs Capacity (Black) | ![]() | Best for Gear and Snow Sports Equipment | Capacity: 17.7 Cu Ft | Material: UV-resistant ABS | Dimensions: 73 x 34 x 17 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| Pelican Cargo Cases | ![]() | Best Heavy-Duty Weatherproof Cargo Box | Interior Dimensions: 36″ x 20″ x 11.5″ | Material Type: Polyvinyl Chloride (PVC) | Mounting Type: Roof Mount | VIEW LATEST PRICE | See Our Full Breakdown |
| Car Rooftop Cargo Carrier Bag, 21 Cubic Feet | ![]() | Best Waterproof Soft Cargo Solution | Capacity: 21 Cubic Feet | Material: 840D PVC | Waterproof: Yes | VIEW LATEST PRICE | See Our Full Breakdown |
| Garvee Rooftop Cargo Box Carrier 390L | ![]() | Best Universal Hard Shell with Easy Access | Capacity: 14 Cubic Feet | Material: UV-Protected ABS | Dimensions: 62.2″ L x 31.2″ W x 13.4″ H | VIEW LATEST PRICE | See Our Full Breakdown |
| Garvee Heavy Duty Hard Shell Roof Top Cargo Carrier | ![]() | Best Large Capacity Hard Shell for SUVs and Vans | Dimensions: 69″ L x 33″ W x 11″ H | Capacity: 17 Cu Ft | Material: UV-Resistant ABS | VIEW LATEST PRICE | See Our Full Breakdown |
| Thule Force 3 XL US | ![]() | Best Overall for Active Families Needing High Capacity and Ease of Use | Material: Plastic | Weight: 66 Pounds | Volume: 18 Cubic Feet | VIEW LATEST PRICE | See Our Full Breakdown |
| Thule Pulse 2 Aerodynamic Roof-Mounted Box, Size L (16 cu ft / 450L), Dual-Sided Opening with Locks, Tool-Free Install | ![]() | Best for Everyday Use with High Tech Mounting and Weather Resistance | Capacity: 450L / 16 cu ft | Load Capacity: 75 kg (165 lbs) | Material: ASA-ABS Plastic | VIEW LATEST PRICE | See Our Full Breakdown |
| SportRack Vista XL Rear Opening Cargo Box (Black) | ![]() | Best for Budget-Friendly, Traffic-Free Access with Secure Locking | Internal Capacity: 18 cu ft / 510 L | Material: UV-resistant ABS | Dimensions: 63 x 38 x 19 in | VIEW LATEST PRICE | See Our Full Breakdown |
More Details on Our Top Picks
FIVKLEMNZ 21 Cubic Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with/Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock
This roof bag stands out for its expansive 21 cubic feet capacity, making it a top choice for families needing to maximize space without the bulk of hard shells. Its heavy-duty 840D PVC material and welded seams ensure superior waterproofing, comparable to the Garvee Heavy Duty Hard Shell, but with the added flexibility of a soft bag that folds away when not in use. The inclusion of 10 reinforced straps, 6 door hooks, and a non-slip mat enhances security and stability, even on winding roads or windy conditions—an advantage over simpler strap systems. Its universal fit, suitable for vehicles with or without racks, makes it highly adaptable, especially for those who want quick installation. The main tradeoff is that soft-sided bags like this tend to offer less aerodynamic efficiency and may be more vulnerable to physical damage than hard-shell options. This pick makes the most sense for families or groups seeking large capacity on a budget, especially if they value flexibility and ease of packing.
Pros:- Massive 21 cubic feet capacity for large travel gear
- Highly waterproof with double-layer cover and welded seams
- Universal fit for vehicles with or without roof racks
- Includes complete travel kit for quick setup
Cons:- Soft-sided design may be less aerodynamic and slightly noisier at high speeds
- Less impact-resistant than hard-shell options, risking damage in rough conditions
Best for: Families or groups needing large, flexible cargo space that can fit on various vehicle types without racks
Not ideal for: Drivers prioritizing ultra-low drag or sleek aerodynamics, as the soft bag may increase wind noise and reduce fuel efficiency
- Capacity:21 Cubic Feet
- Material:840D PVC
- Dimensions:52 x 40 x 18 inches
- Waterproof:Yes, double-layer
- Includes:Straps, hooks, lock, anti-slip mat
- Vehicle Compatibility:All vehicles with/without roof racks
Bottom line: This soft roof bag offers a generous capacity and adaptable fit, making it ideal for families needing flexible, weatherproof storage on various vehicle types.
GarveeTech Rooftop Cargo Box Carrier,Dual-Side Opening Roof Mount Travel Luggage Storage Capacity,165 LBS Weight Capacity with Secure Straps&Keys, Vehicle Hard-Shell Carriers,Black (14 Cubic)
Compared to the Dual-Side Rooftop Cargo Box with 165 lbs Capacity, this GarveeTech model offers a durable ABS shell that withstands harsh weather and UV exposure, making it an excellent choice for long road trips. Its 14 cubic feet capacity fills a niche for those who need more than a soft bag but don’t want the bulk of larger models like the RoofPax XXL. The dual-sided opening system enhances convenience, allowing access from either side—especially helpful for quick loading and unloading in tight parking spots. Its universal compatibility with roof racks broadens its appeal, though verifying fit is recommended. The one-year warranty adds peace of mind, but its smaller capacity may limit those with extensive luggage or bulky gear. The heavier, rigid shell offers superior impact resistance, though it may be less flexible for storage when not in use. This model suits travelers who prioritize weatherproof durability and security over maximum volume.
Pros:- Highly durable ABS construction resists weather and UV damage
- Dual-side opening simplifies access and loading
- Universal fit compatible with most roof racks
- Includes secure straps and keys for added safety
Cons:- Limited capacity compared to larger or soft-sided options
- Heavier and bulkier to handle and install
Best for: Travelers needing a durable, weather-resistant hard shell for moderate to large luggage on vehicles with roof racks
Not ideal for: Owners of compact vehicles or those requiring maximum cargo volume, as 14 cubic feet may be insufficient for large families or extensive gear
- Capacity:14 Cubic Feet
- Material:ABS Plastic
- Dimensions:54.3 x 31.5 x 13.4 inches
- Weight Capacity:165 lbs
- Opening System:Dual sides
- Compatibility:All roof racks
Bottom line: This hard-shell rooftop box offers reliable weatherproof protection with dual-sided access, ideal for travelers wanting durable, mid-sized storage.
Dual-Side Rooftop Cargo Box with 165 lbs Capacity
This model offers a straightforward, reliable storage solution with 12 cubic feet capacity, similar to the GarveeTech box, but with a focus on simplicity. Its waterproof ABS shell, UV resistance, and dual-side access streamline loading, especially when multiple users need quick access from either side. Suitable for standard travel or camping gear, its universal compatibility with roof racks makes it a versatile choice. However, the 165 lbs weight limit might restrict heavier or bulkier items, and its more aerodynamic design may not appeal to those seeking a more streamlined look. The included security straps and keys add a layer of safety, but it doesn’t include additional accessories like locks or mounting hardware. This pick suits users who want a dependable, no-frills hard shell for moderate cargo needs.
Pros:- Weatherproof ABS shell resists rain and UV damage
- Dual-side access for convenience
- Universal roof rack compatibility
- Includes security straps and keys
Cons:- Limited to 12 cubic feet, less than larger models
- No extra accessories or advanced security features
Best for: Families or travelers seeking a simple, weatherproof hard shell with dual access for moderate gear
Not ideal for: Those who need the maximum volume or have very heavy cargo, as the weight limit and size may be restrictive
- Capacity:12 Cubic Feet
- Material:ABS Plastic
- Dimensions:54.3 x 31.5 x 13.4 inches
- Weight Limit:165 lbs
- Opening System:Dual sides
- Compatibility:Most roof racks
Bottom line: A dependable, straightforward hard shell with dual access, best suited for moderate cargo loads on standard vehicles.
RoofPax XXL 28 cuft Waterproof Rooftop Cargo Carrier with Patented Mounting System
The RoofPax XXL stands out for its massive 28 cubic feet capacity, making it ideal for large families or long-term travel with bulky gear like tents and multiple suitcases. Its patented mounting system with door hook straps offers a secure and straightforward installation process, comparable to the GarveeTech but with a focus on large-volume storage. The double-seam construction and water-repellent coating guarantee weatherproof performance, even in heavy rain. Its compatibility with vehicles with or without roof racks adds to its versatility, while the lifetime warranty on zippers and five-year fabric durability provide confidence for long-term use. The main downside is its size, which may not fit smaller vehicles or reduce ease of handling during installation. It’s best suited for those with large SUVs or trucks needing maximum cargo capacity in a durable, weatherproof shell.
Pros:- Huge 28 cubic feet capacity for large or bulky gear
- Patented secure mounting system with easy-to-use straps
- 100% waterproof with double-seam technology
- Includes necessary accessories and locks
Cons:- Large size may limit fit on smaller vehicles
- Heavyweight could complicate handling and installation
Best for: Large families or groups needing maximum volume for extensive gear on SUVs or trucks
Not ideal for: Owners of smaller vehicles or those prioritizing sleek aesthetics, as this model is bulky and may not fit compact cars
- Capacity:28 cuft
- Waterproof Rating:100%
- Compatibility:Vehicles with/without roof racks
- Included Accessories:4 door hook straps, 10 tie-downs, lock
- Warranty:Lifetime on zippers, 5-year fabric
Bottom line: This oversized, weatherproof cargo carrier is perfect for large vehicles with extensive storage needs, though its size demands careful vehicle compatibility checks.
Perflex Rooftop Cargo Box Carrier – Large 17.7 Cu Ft with Dual Side Opening and 130 lbs Capacity (Black)
The Perflex cargo box offers a practical solution with 17.7 cubic feet of space, making it well-suited for sports gear, skis, or snowboards. Its aerodynamic shape minimizes wind resistance, comparable to the SportRack Vista XL, but with the added convenience of dual-side opening for quick access from either side. Its durable ABS construction ensures weather resistance and UV stability, while the tool-free installation makes setup straightforward for most users. The 130 lbs weight capacity is adequate for most gear but may restrict heavier items. Its compatibility with vehicles equipped with roof racks makes it versatile, yet it requires racks for installation, which could be an extra step for some. The design is less bulky than larger models, making it easier to handle and store when not in use. This model is a great fit for active travelers or families with moderate gear needs, especially in winter sports contexts.
Pros:- Generous 17.7 cubic feet capacity for sports gear
- Dual-side opening for quick access
- Weather-resistant ABS shell with UV protection
- Tool-free installation for ease of use
Cons:- Requires roof racks for installation, adding setup complexity
- Limited to 130 lbs weight capacity, restricting very heavy cargo
Best for: Active families or travelers carrying sports equipment or bulky gear that require easy access and durability
Not ideal for: Those needing maximum volume or with very heavy or extensive cargo, as 17.7 cubic feet might be limiting
- Capacity:17.7 Cu Ft
- Material:UV-resistant ABS
- Dimensions:73 x 34 x 17 inches
- Weight Capacity:130 lbs
- Opening System:Dual sides
- Compatibility:Roof racks required
Bottom line: A solid, easy-to-access cargo box for active travelers and sports gear, suitable for moderate to large gear loads with quick access needs.
Pelican Cargo Cases
This Pelican Cargo Case stands out for its extremely durable, weather-resistant construction, making it ideal for harsh climates and long trips. Compared to the Garvee Heavy Duty Hard Shell, it offers superior impact resistance and better protection from elements, but it is bulkier and heavier when empty. Its large 36″ x 20″ x 11.5″ interior provides ample space for family gear, and the folding latches allow for padlock addition, increasing security. However, the clumsy latches and tendency to warp slightly in the sun could be inconvenient during quick access or frequent use. This pick makes the most sense for families traveling in extreme weather or those prioritizing maximum durability over ease of handling.
Pros:- Made from extremely durable, weather-resistant materials
- Large interior capacity for family gear
- Fold-flat latches for secure locking and optional padlocks
- Resistant to impact and harsh weather
Cons:- Bulky and relatively heavy when empty
- Lid warps slightly in the sun, potentially complicating quick access
- Clumsy latches may hinder fast opening
Best for: Families needing high durability and weather resistance for long, rugged trips in diverse climates.
Not ideal for: Occasional travelers or users with limited roof space who prefer lightweight, easier-to-handle options.
- Interior Dimensions:36″ x 20″ x 11.5″
- Material Type:Polyvinyl Chloride (PVC)
- Mounting Type:Roof Mount
- Closure Type:Folding latches
- Color:Black
- Weight:4.24 Kilograms
Bottom line: This cargo case is best for families seeking maximum durability and weatherproofing, especially in demanding environments.
Car Rooftop Cargo Carrier Bag, 21 Cubic Feet
This 21-cubic-foot waterproof roof bag excels for its flexible, soft-shell design that easily conforms to various vehicle types, making it ideal for families new to roof-mounted storage. Unlike the Garvee Rooftop Cargo Box, it offers unmatched flexibility and easy storage when not in use. Constructed from heavy-duty 840D PVC fabric with reinforced seams, it provides excellent water resistance and durability in rain, snow, and sun. Its included anti-slip mat and adjustable straps ensure secure attachment on roof racks or bare roofs, even without a rack. Yet, its soft design means less protection against impacts and potential for shifting under heavy loads. It’s perfect for families seeking a budget-friendly, weatherproof option that’s straightforward to install and remove frequently.
Pros:- Made from heavy-duty, abrasion-resistant PVC fabric
- Highly waterproof with reinforced seams and waterproof zippers
- Flexible, collapsible design for easy storage when not in use
- Easy to install with included anti-slip mat and straps
Cons:- Less impact protection compared to hard-shell options
- Potential for shifting if not properly secured
- Limited protection against sharp or heavy objects
Best for: Families new to roof storage seeking an easy-to-use, waterproof, and lightweight solution for frequent trips.
Not ideal for: Travelers hauling very heavy or fragile gear that requires rigid, impact-resistant protection.
- Capacity:21 Cubic Feet
- Material:840D PVC
- Waterproof:Yes
- Mounting System:Straps and straps included
- Additional Features:Anti-slip mat, door hooks, luggage lock
- Size:Flexible, collapsible
Bottom line: This soft, waterproof cargo bag is ideal for families seeking an affordable, weatherproof, and easy-to-handle roof storage option, especially for frequent use.
Garvee Rooftop Cargo Box Carrier 390L
This Garvee hard-shell roof box offers a solid balance of capacity and convenience, with 14 cubic feet of storage and dual-sided access, making it suitable for busy family trips. Its UV-protected ABS shell provides weather resistance and impact durability, comparable to the Thule Motion 3 but at a more accessible price point. The tool-free, quick-mount hardware simplifies installation, and the integrated lock enhances security. Its aerodynamic shape helps reduce wind noise and drag, although it still adds noticeable weight to the roof, which could impact fuel efficiency. Compared with Thule’s Motion 3, it provides slightly less advanced features but remains a strong choice for families who need reliable, secure storage without premium costs.
Pros:- UV-resistant, impact-durable ABS shell
- Dual-sided access for easy loading and unloading
- Tool-free quick-mount system
- Includes secure lock for added security
Cons:- Adds significant weight to the vehicle roof
- Limited to compatible roof rack sizes
- Less aerodynamic than some premium models
Best for: Families wanting a durable, easy-to-install hard-shell box with dual access for convenience.
Not ideal for: Travelers prioritizing cutting-edge aerodynamics and minimal wind noise, or those with limited roof rack compatibility.
- Capacity:14 Cubic Feet
- Material:UV-Protected ABS
- Dimensions:62.2″ L x 31.2″ W x 13.4″ H
- Weight:44.75 Pounds
- Mounting Type:Roof Mount
- Color:Black
Bottom line: This hard-shell box provides dependable, versatile storage for families needing reliable dual access and weather protection without high-end features.
Garvee Heavy Duty Hard Shell Roof Top Cargo Carrier
This Garvee heavy-duty cargo carrier excels with its 17 cubic feet of waterproof storage, making it ideal for large family gear and outdoor equipment. Its 69″ x 33″ x 11″ dimensions provide ample space, especially compared to smaller hard-shell boxes like Thule Force 3. The UV-resistant ABS shell ensures longevity against weather, and the lockable design adds security on extended trips. Installation is tool-free, with dual-sided access that allows quick loading from either side. Its aerodynamic shape helps to minimize wind resistance, though it still adds considerable weight, which could influence fuel economy. It’s particularly suited for families with larger loads or those hauling bulky gear who want a rugged, secure solution.
Pros:- Large 17 cu ft waterproof, impact-resistant shell
- UV-protected, durable ABS construction
- Tool-free, quick installation
- Dual-sided access with lockable security
Cons:- Adds significant weight to the roof
- May limit vehicle fuel efficiency due to size and weight
- Requires compatible roof rack system
Best for: Families with large, bulky loads needing a high-capacity, lockable, weatherproof shell for SUVs or vans.
Not ideal for: Travelers with small cars or those seeking lightweight, compact options for occasional trips.
- Dimensions:69″ L x 33″ W x 11″ H
- Capacity:17 Cu Ft
- Material:UV-Resistant ABS
- Weight Capacity:165 lbs
- Mounting Type:Roof Mount
- Color:Black
Bottom line: This oversized, lockable hard-shell is best suited for large families with bulky gear who prioritize security and weatherproofing for SUV and van travel.
Thule Force 3 XL US
This Thule model stands out for its robust durability and sleek appearance, making it a reliable choice for frequent, family-oriented travel. Unlike the SportRack Vista XL, which offers slightly more internal space but less refined mounting, the Thule Force 3 XL features an innovative dual side opening for quick access from either side, a major convenience for larger families managing multiple gear loads. Its claw clasps provide a more secure, tool-free mounting compared to older U-bolt systems, reducing hassle during setup and removal. While its size and weight capacity (around 150 lbs) are excellent for moving bulky loads, the premium price might be a concern for budget-conscious buyers. The sturdy construction has been extensively road-tested, promising long-term reliability, but the large footprint could pose challenges for smaller vehicles. This pick makes the most sense for families who need a high-capacity, durable carrier with convenient access and quick installation.
Pros:- Durable, road-tested construction ensuring longevity
- Dual side opening for easy access from either side
- Secure Claw clasps for tool-free, reliable mounting
- High weight capacity (around 150 lbs) for large loads
Cons:- Premium price may be prohibitive for budget shoppers
- Large size can be challenging for smaller vehicles
Best for: Families who prioritize high capacity, quick installation, and reliable durability for frequent trips.
Not ideal for: Owners of compact cars or those with limited garage space, as the size and weight may be difficult to handle.
- Material:Plastic
- Weight:66 Pounds
- Volume:18 Cubic Feet
- Water Resistance Level:Water Resistant
- Mounting Type:Roof Mount
- Shell Type:Hard
Bottom line: This cargo box is ideal for active families needing a high-capacity, durable, and easy-to-mount option for frequent travel.
Thule Pulse 2 Aerodynamic Roof-Mounted Box, Size L (16 cu ft / 450L), Dual-Sided Opening with Locks, Tool-Free Install
This Thule Pulse 2 offers a generous 16 cu ft capacity with a focus on easy, tool-free installation thanks to its torque indicator and intuitive mounting system. Compared with the Thule Force 3 XL, which emphasizes capacity and durability, the Pulse 2 leans into lightweight aerodynamics and ease of setup, making it well-suited for owners of a variety of vehicles, including EVs. Its ASA-ABS plastic shell provides excellent weather resistance, ideal for all-season family travel. However, at its size, it may not fit on smaller or compact cars, which makes it less suitable for urban or city dwellers with limited roof space. The dual-sided access simplifies loading and unloading, important for busy families or frequent travelers. Its slightly higher price reflects its premium features, but owners who value convenience, weatherproofing, and quick mounting will find this model very appealing.
Pros:- Tool-free installation with a secure torque indicator
- Dual-sided access for easy loading and unloading
- Weather-resistant ASA-ABS plastic shell
- Lightweight and aerodynamic design
Cons:- Large size may not fit smaller vehicles
- Higher price point for high-end features
Best for: Families seeking a reliable, weather-resistant, and easy-to-install roof box for regular, daily trips.
Not ideal for: Owners of small or compact vehicles that cannot accommodate its size and weight, or those on a tight budget.
- Capacity:450L / 16 cu ft
- Load Capacity:75 kg (165 lbs)
- Material:ASA-ABS Plastic
- Installation Type:Tool-Free with Torque Indicator
- Compatibility:SUVs, Trucks, Cars, EVs
Bottom line: This model is perfect for busy families who want a hassle-free, weatherproof cargo box for everyday use and longer trips.
SportRack Vista XL Rear Opening Cargo Box (Black)
The SportRack Vista XL offers a solid 18 cubic feet of space, making it a strong contender for those prioritizing internal capacity without a high price tag. Its rear opening design allows access without traffic hindrance, a feature that can be more convenient than side-opening models like the Thule Pulse 2 or Force 3 XL, especially during peak travel times. While it’s compatible with most rack systems, its limited crossbar spacing range (23 5/8 to 29 3/4 inches) may restrict use on some vehicles. The UV-resistant ABS shell ensures durability and weather resistance, and the tool-free mounting hardware simplifies setup. However, with a 100 lb weight capacity, it might restrict some heavier loads, and its simpler design may lack some of the high-end locking or ease-of-access features found in more premium options. Still, it delivers excellent value for budget-conscious families who want reliable, traffic-free access.
Pros:- Large 18 cu ft internal capacity
- Rear opening reduces traffic interference
- UV-resistant, durable ABS shell
- Tool-free mounting system
Cons:- Limited crossbar spacing range for some vehicles
- Maximum weight capacity of 100 lbs may restrict very heavy loads
Best for: Budget-conscious families needing large capacity and traffic-free rear access for occasional or regular trips.
Not ideal for: Owners of very small or highly specialized roof racks, or those requiring a higher weight capacity for heavy gear.
- Internal Capacity:18 cu ft / 510 L
- Material:UV-resistant ABS
- Dimensions:63 x 38 x 19 in
- Max Weight Capacity:100 lbs (45 kg)
- Color:Black
Bottom line: This cargo box provides a budget-friendly, traffic-free access solution with ample space for family travel needs.

How We Picked
The products in this roundup were selected based on criteria that matter most for moving and family travel. Performance factors like capacity, weather resistance, and security were prioritized, ensuring each option can handle long trips and heavy loads. Usability aspects, including ease of installation and access, were also evaluated to help families and movers avoid frustration. Build quality and durability were key, especially for frequent use or challenging weather conditions. Finally, value was considered, balancing price against features and longevity, to identify options that offer the best return on investment for different types of travelers.Factors to Consider When Choosing Best Roof Cargo Boxes For Moving And Family Travel
Choosing the right roof cargo box involves evaluating several factors beyond basic capacity. Understanding your specific needs—like frequency of trips, vehicle compatibility, and storage requirements—can help you make a smarter investment. Here are key considerations to guide your decision:Capacity and Size
Assess your typical luggage volume to determine an appropriate capacity. Larger boxes offer more space but can add wind resistance and reduce fuel efficiency. Consider the dimensions of your vehicle’s roof and how much extra space you need for family gear or moving boxes. Overestimating can lead to unnecessary weight and difficulty handling, while underestimating may limit your storage options.
Material and Durability
Hard-shell carriers provide superior weather resistance, security, and protection from impacts, making them ideal for heavy-duty use. Soft bags or fabric options are lighter and easier to store but may be less durable and offer limited weatherproofing. Think about your climate and how often you plan to use the box—investing in robust materials can save money over time.
Ease of Installation and Access
Look for models with tool-free mounting systems if you want quick setup and removal. Dual-side opening features greatly improve ease of access, especially when the vehicle is parked in tight spaces. Consider whether the box’s opening mechanism suits your loading style—some models tilt or slide open for convenience, reducing strain during heavy loads.
Aerodynamics and Fuel Efficiency
Streamlined, aerodynamic designs reduce wind drag, which can substantially impact fuel consumption on long trips. Bulky or boxy shapes tend to create more air resistance. If fuel economy is a priority, opt for models with rounded edges and smooth profiles. Keep in mind that more aerodynamic boxes might come at a higher price but can save money over extended use.
Price and Value
Higher-priced options often feature superior materials, larger capacities, and advanced security features. However, it’s important to match your budget with your actual needs—sometimes a mid-range model offers the best balance of features and affordability. Avoid overspending on features you won’t use, but don’t compromise on quality if you expect frequent or long-distance trips.
Frequently Asked Questions
How do I choose the right size roof cargo box for my family trips?
Start by estimating the volume of luggage and gear your family typically carries. Add some extra space for flexibility, especially if you plan to bring larger items or additional gear. Measure your vehicle’s roof to ensure the box will fit comfortably without overhanging or obstructing other parts of the vehicle. A larger capacity offers more flexibility but may impact fuel efficiency and handling, so balance size with your actual needs.
Are soft roof bags a good alternative to hard-shell cargo boxes?
Soft roof bags are lighter and easier to store, making them appealing for occasional use or when storage space is limited. However, they generally offer less protection against weather, impacts, and theft compared to hard-shell boxes. They can be suitable for dry climates and short trips, but for moving or frequent family travel, a hard-shell cargo box tends to provide better security and durability.
What features should I prioritize for ease of installation?
Look for models with quick-release mounting systems or tool-free installation features that allow you to attach or remove the box without specialized tools. Dual-sided opening also enhances convenience, especially if your vehicle is parked in tight spots. Clear instructions and adjustable mounting options are additional factors that make setup smoother and less time-consuming.
How does aerodynamic design impact fuel efficiency?
Aerodynamic shapes help reduce wind resistance, which can significantly improve fuel economy during highway driving. Boxy or bulky designs create more drag, leading to higher fuel consumption. While aerodynamic boxes might cost more initially, they can save money over time by lowering your vehicle’s fuel costs, especially on frequent or long-distance trips.
Is it worth investing in a lockable cargo box?
Yes, especially if you plan to leave your vehicle unattended or travel in areas with higher theft risk. Lockable boxes provide peace of mind that your gear will stay secure during rest stops or overnight stays. Keep in mind that some locks can be forced or bypassed, so pairing a lockable box with other security measures adds extra protection. The added security features often justify the higher price for frequent travelers or moving situations.
Conclusion
For families seeking reliable, easy-to-use options, the Thule Motion 3 offers a balanced mix of capacity, durability, and aerodynamic design—making it the best overall choice. Budget-conscious movers or travelers will appreciate the SportRack Vista XL for its affordability and generous space. For those who demand ruggedness and maximum protection, the Pelican Cargo Cases excel in heavy-duty scenarios. Beginners or infrequent users should prioritize models with straightforward installation, while frequent travelers might benefit from features like dual-side opening and aerodynamic profiles. Ultimately, understanding your travel needs and vehicle compatibility will guide you toward the best cargo box for your journey.











