If you’re planning a long road trip and need extra cargo space, choosing the right rooftop cargo box can make all the difference. The Hard Shell Roof Cargo Box 16 Cu Ft stands out for its spacious capacity and quick, tool-free installation, perfect for larger families or gear-heavy trips. The JEGS Rooftop Cargo Carrier 18 Cu Ft offers a sturdy, USA-made option with an impressive capacity and reliable security features, suited for those who prioritize durability and ease of access. Meanwhile, the Garvee Heavy Duty Hard Shell 17 Cu Ft balances weather resistance and aerodynamic design, making it a versatile choice for various climates and vehicles. Each has its tradeoffs—larger capacity sometimes means more weight and potential installation complexity, while softer bags offer flexibility but less protection against weather.
Key Takeaways
- The largest capacity cargo boxes tend to be heavier and may require more effort to install or remove.
- Hard-shell models provide better weatherproofing and security compared to soft roof bags.
- Ease of installation varies; tool-free designs are more suitable for quick setups and removals.
- Vehicle compatibility and crossbar adjustability are critical for a proper fit.
- Price often correlates with capacity and durability—more expensive options usually last longer and hold more gear.
More Details on Our Top Picks
Hard Shell Roof Cargo Box 16 Cu Ft Large Rooftop Carrier with Security Lock 58.3 x 35.4 x 13 in ABS Durable Waterproof Roof Storage Box for Luggage Travel Fits Most Crossbars Tool-Free Install Gray
This model excels in offering a generous 16 cubic feet of storage with a solid ABS shell designed to withstand extreme weather conditions. Compared with other options, it installs swiftly on most roof racks without tools, thanks to its universal fit and tool-free setup. The dual lock system adds peace of mind, particularly for long trips or busy parking areas. However, its weight and size mean it may be cumbersome for smaller vehicles or those with limited roof space. Still, its combination of capacity, weather resistance, and security makes it a top pick for road trip enthusiasts who prioritize safety and space.
Pros:- Spacious 16 cu ft capacity
- Weather-resistant ABS shell
- Tool-free, universal fit installation
- Secure dual-locking system
Cons:- Heavy and bulky, harder to handle
- May require roof rack with sufficient crossbar spacing
- Price is on the higher side for some budgets
Best for: Large families, outdoor gear enthusiasts, those needing maximum storage capacity
Not ideal for: Small vehicles, solo travelers with minimal gear, users seeking lightweight options
- Capacity:16 Cu Ft
- Dimensions:58.3 x 35.4 x 13 inches
- Weight:50 pounds
- Material:ABS
- Load Limit:130 lbs
- Mounting Type:Universal fit
Bottom line: This cargo box offers the most space and security, making it ideal for large groups and gear-heavy trips, though it demands a sturdy roof rack and some strength to install.
JEGS Rooftop Cargo Carrier for Car Storage – Large Roof Rack Style Carrier – Heavy Duty Weatherproof Storage – Made in USA – 18 Cubic Ft – 110 Lb Capacity – Aero Hard Shell
The JEGS carrier stands out for its robust construction and impressive 18 cubic feet capacity. Designed for vehicles with roof racks, it features an aerodynamic shape that minimizes wind resistance and noise, making it suitable for long drives. Its lockable latches provide added security, and the pre-drilled base simplifies installation—especially for vehicles with fixed crossbar spacing. Compared with softer bags, it offers superior weatherproofing and protection for valuable gear, but its rigid shell can be more challenging to fit on vehicles with irregular roof shapes. Overall, it’s a reliable choice for those who want a durable, USA-made carrier that’s easy to access from either side.
Pros:- Large 18 cu ft capacity
- Weatherproof HDPE shell
- Lockable latches for security
- Easy, tool-free mounting
Cons:- Rigid shell may not fit all vehicles easily
- Heavy for some users to handle
- Price premium due to durability
Best for: Road trip travelers seeking durability, security, and weather protection
Not ideal for: Small or irregularly shaped vehicles, those preferring lightweight or flexible options
- Capacity:18 Cu Ft
- Dimensions:57 x 38.5 x 17.75 inches
- Weight:35 pounds
- Material:HDPE
- Load Limit:110 lbs
- Mounting Type:Roof rack compatible
Bottom line: A sturdy, weatherproof choice suited for long trips, especially if you need security and quick access from both sides, though it may be less flexible for some vehicle types.
Garvee Heavy Duty Hard Shell Roof Top Cargo Carrier – 69(L) x33(W) x11(H) Waterproof Lockable Storage Box Capacity 165 Lbs 17 Cu Ft – Tool-Free Install- Fits SUV, Truck, Van
The Garvee carrier offers a balanced combination of capacity, durability, and weatherproofing. Its aerodynamic design reduces wind noise and drag, making it suitable for various vehicle types, including SUVs, trucks, and vans. The high-strength ABS shell is UV-resistant and waterproof, protecting your gear in all conditions. Its 17 cubic feet capacity is generous, and the tool-free installation makes setup straightforward. Compared to other options, it’s slightly smaller in weight but still offers excellent security with lockable doors. It’s a versatile, weather-resistant option perfect for road trips where weather unpredictability is a concern.
Pros:- Weatherproof ABS shell
- Aerodynamic and noise-reducing design
- Tool-free, universal fit
- UV-resistant and durable
Cons:- Capacity slightly less than some competitors
- May require crossbar compatibility check
- Limited to 165 lbs weight capacity
Best for: Versatile vehicle types, weather-sensitive travelers, multi-purpose trips
Not ideal for: Ultra-large gear loads, users wanting maximum capacity beyond 17 cu ft
- Capacity:17 Cu Ft
- Dimensions:69 x 33 x 11 inches
- Weight:43.7 pounds
- Material:ABS
- Load Limit:165 lbs
- Mounting Type:Roof mount
Bottom line: This carrier provides a reliable, weatherproof, and easy-to-install solution that balances capacity with versatility, ideal for varied road trip conditions.
Sailnovo Rooftop Cargo Carrier Roof Bag, 20 Cubic feet Soft Waterproof Car Roof Bag fit Cars with/Without Rack, 6 Tie-Down Straps, 6 Door Hooks, Foldable Car Top Carrier for Road Trip Camping Travel
The Sailnovo roof bag offers a flexible, soft-sided alternative to rigid carriers, with an impressive 20 cubic feet capacity. Its tear-resistant Oxford cloth and waterproof coating make it a weatherproof option, suitable for unpredictable climates. The included tie-down straps and hooks allow for secure attachment to most vehicles, whether equipped with racks or not. While it’s easier to fold and store away when not in use, it doesn’t provide the same level of protection against impacts or heavy rain as hard-shell options. It’s an excellent choice for light, flexible, and budget-conscious travelers who prioritize adaptability over maximum protection.
Pros:- Large 20 cu ft capacity
- Waterproof and tear-resistant
- Easy to fold and store
- Compatible with vehicles without racks
Cons:- Less protective against impacts
- May require careful tying to prevent water pooling
- Not suitable for very heavy loads
Best for: Travelers with smaller vehicles or those wanting a lightweight, flexible option
Not ideal for: Heavy gear loads, rough weather conditions, or long-term storage in harsh climates
- Capacity:20 Cu Ft
- Material:Oxford cloth
- Dimensions:51 x 39 x 17 inches
- Weight:Lightweight
- Waterproof:Yes
- Attachment:Tie-down straps and hooks
Bottom line: Ideal for flexible, lightweight road trips, especially when vehicle compatibility or storage space is limited, though it offers less weather protection than hard-shell carriers.
GarveeTech Rooftop Cargo Box Carrier,Dual-Side Opening Roof Mount Travel Luggage Storage Capacity,165 LBS Weight Capacity, 12 Cubic Feet
The GarveeTech cargo box offers a compact yet spacious 12 cubic feet of storage, making it suitable for smaller vehicles or those who want a less obtrusive carrier. Its dual-side opening allows easy access, and the high-quality ABS shell is waterproof and UV-resistant, ensuring protection in various weather conditions. The design reduces wind resistance, helping to improve fuel efficiency, and the lockable features enhance security. Compared with larger options, it’s easier to handle and install, but it offers slightly less capacity, making it ideal for travelers who prioritize security and ease over maximum volume. It’s a versatile, durable choice for road trips with limited roof space.
Pros:- Durable ABS construction
- Dual-side opening for easy access
- Waterproof and UV-resistant
- Reduces wind resistance
Cons:- Lower capacity than larger carriers
- Limited to 12 cu ft
- Requires roof rack compatibility
Best for: Compact vehicles, security-conscious travelers, those needing a smaller cargo solution
Not ideal for: Large gear loads, extended trips requiring maximum capacity, vehicles without roof racks
- Capacity:12 Cu Ft
- Weight Limit:165 lbs
- Dimensions:54.3 x 31.5 x 13.4 inches
- Material:ABS
- Mounting:Roof mount
- Opening:Dual side
Bottom line: A reliable, compact, weatherproof carrier suitable for smaller vehicles or those seeking security and ease, though it offers less cargo space.
How We Picked
Our selection process focused on evaluating capacity, durability, installation ease, security features, and vehicle compatibility. We compared user reviews, manufacturer specifications, and practicality for road trips. Priority was given to products that balance capacity with ease of use, and those that fit a wide range of vehicles without requiring specialized tools or modifications. We also considered weatherproofing and security features to ensure your gear stays safe in all conditions. Tradeoffs like weight, installation complexity, and price were factored to recommend options suitable for different types of travelers and vehicle setups.
Factors to Consider When Choosing Best Rooftop Cargo Box For Road Trips
Choosing the best rooftop cargo box requires balancing capacity, durability, ease of installation, and security features. Road trip needs vary widely—from families with lots of gear to solo travelers seeking lightweight flexibility. Understanding your vehicle compatibility, typical weather conditions, and how much gear you need to carry will help narrow your options. Material quality impacts weather resistance and longevity, while installation mechanisms influence how often you can remove or attach the carrier. This guide breaks down key factors to help you select a cargo box that meets your specific travel demands.
Capacity and Size
Assess how much gear you typically carry. Larger capacities, around 16-20 cubic feet, are ideal for family vacations, but they can add weight and may be more challenging to handle. Smaller options, like 12 cubic feet, suit compact vehicles and lighter loads. Remember to consider your vehicle’s roof rack size and weight limits—overloading can affect handling and safety.
Material and Weather Resistance
Hard-shell carriers made from ABS or HDPE plastics provide excellent weatherproofing and security against rain, snow, and debris. Soft roof bags are lightweight and flexible but less protected from heavy rain or impacts. For extended trips or harsh climates, investing in a rigid, waterproof shell is generally wiser to keep your gear dry and safe.
Ease of Installation and Compatibility
Look for models with tool-free mounting if you plan to remove the carrier frequently. Universal fit designs that accommodate round, square, or aerodynamic crossbars simplify setup. Be sure to check your vehicle’s roof rack specifications—some carriers require specific crossbar spacing or types, which could complicate installation or limit compatibility.
Security and Locking Features
Lockable latches protect your gear from theft and ensure the carrier remains securely closed during travel. Dual-side opening models provide convenient access, especially on larger vehicles. Always verify that keys are included and that locking mechanisms are robust for peace of mind on busy roads or parking lots.
Price and Durability
Expect to pay more for larger, weatherproof, and security-enhanced models. Although more expensive options usually last longer and withstand tough conditions better, there are budget-friendly soft bags that work well for short trips or light loads. Balance your budget with the frequency and conditions of your trips to find the best value.
Frequently Asked Questions
How do I determine the right size of cargo box for my vehicle?
To choose the right size, consider how much gear you typically carry and the available roof space on your vehicle. Measure your roof rack’s crossbar width and check the load limits specified by your vehicle manufacturer. Larger boxes provide more capacity but can be heavier and more difficult to handle, so balance your storage needs with ease of use and vehicle capacity.
Are hard-shell cargo boxes weatherproof and secure?
Yes, most hard-shell models made from ABS or HDPE plastics are designed to be weather-resistant, protecting your gear from rain, snow, and debris. They also feature lockable latches to prevent theft, making them highly secure for long trips or parking in busy areas. Always verify that the model you select includes robust locking mechanisms and weatherproof seals.
Can I install a rooftop cargo box on any vehicle?
Most cargo boxes are compatible with vehicles equipped with roof racks that can accommodate crossbars. However, you should check the specific fit guidelines, including crossbar spacing and weight limits, for your vehicle. Some models are universal and fit most racks, while others may require additional adapters or custom installation, which could complicate setup.
What are the main tradeoffs between soft roof bags and hard-shell cargo boxes?
Soft roof bags are lighter, more flexible, and easier to store when not in use, but they offer less weather protection and security. Hard-shell boxes provide superior weatherproofing, security, and durability, though they are heavier, bulkier, and often more expensive. Your choice depends on your specific needs for protection, ease of handling, and storage space.
How much does a rooftop cargo box typically cost?
Prices vary widely based on capacity, material, and features. Smaller, soft-sided bags can cost under $200, while larger, weatherproof hard-shell carriers often range from $400 to over $700. Investing in a quality model may be worthwhile for frequent or long-distance trips, as it offers better protection and longevity.
Conclusion
If you need maximum capacity and security, the Hard Shell Roof Cargo Box is a versatile go-to. For durability and ease of access, especially in harsher weather, the JEGS Heavy Duty Carrier is a solid choice. Those seeking a flexible, lightweight solution should consider the Sailnovo Roof Bag, ideal for smaller vehicles or casual trips. Lastly, if space is limited and security is a priority, the GarveeTech Carrier offers a compact, weather-resistant option. Your ideal pick depends on your vehicle size, trip frequency, and weather conditions—match these to your travel habits for the best experience.
