10 Best Roof Cargo Boxes 2025 in the United States

The Thule Motion 3 LTitan is a strong contender in the roof cargo box category, particularly for those needing a spacious and durable solution for transporting gear. With a volume of 450 liters, it offers ample storage for large items, making it ideal for families or outdoor enthusiasts who need extra space for luggage or equipment. The sturdy aluminum build ensures durability while remaining relatively lightweight at about 24 kg, which is beneficial for mounting and handling.

One of the standout features is its aerodynamic design, which not only reduces drag but also helps improve fuel efficiency—a significant plus for longer trips. The PowerClick quick-mount system allows for easy installation, and the integrated torque indicator provides reassurance that it’s securely fitted. Additionally, the SlideLock system enhances security, ensuring the lid locks automatically while providing a clear indication that it’s properly closed.

The Thule Motion 3 LTitan is well-suited for individuals or families looking for a reliable and spacious roof cargo box. Its user-friendly features and solid build make it appealing.

The Yakima SkyBox General Travel Vehicle Rooftop Cargo Carrier Box offers a spacious 16 cubic feet of cargo space, making it suitable for carrying gear for up to 3 campers, including snowboards and skis. The size (75.5 x 35 x 16 inches) and weight (46 pounds) are manageable for many vehicles, including cars, wagons, and SUVs. Its NX nano-textured lid and base give it a sleek appearance and help in reducing drag, aiding in aerodynamics.

The dual-sided opening is a convenient feature, allowing access from either side of the vehicle, and the full metal opening handle adds to ease of use. The removable torque-limiting knob ensures a secure installation, providing peace of mind while traveling. Additionally, the cargo box is compatible with a range of crossbars, enhancing its versatility. However, being made of plastic, some users might have concerns about its long-term durability compared to metal options.

Additionally, while it’s water-resistant, it might not be entirely waterproof, which could be a drawback in heavy rain conditions. The security features, such as the mechanical latch, are basic and might not offer the highest level of theft protection.

The SportRack Vista XL Rear Opening Cargo Box offers an impressive 18 cubic feet of internal cargo capacity, making it a great choice for family trips or transporting large items. The box is constructed from durable UV-resistant ABS material, ensuring it can withstand harsh weather conditions and long-term use. Weighing just 28 pounds, it's relatively lightweight for its size, which aids in easier installation and handling.

The rear opening design provides convenient access to your belongings while keeping you safe from traffic. The tool-free mounting hardware simplifies installation and removal, fitting well with SportRack systems, square bars, round bars, and most factory racks, though it's always wise to check the fit guide for compatibility. For security, the box includes a key and lock to secure both your contents and the cargo box itself.

One downside is the maximum weight capacity of 100 pounds, which may be limiting for some users. Additionally, aerodynamics could be affected depending on your vehicle's design, potentially impacting fuel efficiency. Despite these minor drawbacks, the SportRack Vista XL is a reliable and practical cargo box with a user-friendly design, suitable for those needing extra storage space on their travels.