10 Best Roof Cargo Boxes 2026 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 Yakima SkyBox NX Extra-Large Cargo Carrier Box offers a spacious solution for transporting gear with 18 cubic feet of capacity, making it ideal for families or group trips. Its dual-sided opening is convenient, allowing access from either side of your vehicle, which makes loading and unloading easier. The removable torque limiting knob ensures a secure installation, while integrated tie down points help keep your belongings in place during transit. Additionally, the included SKS locks provide an extra layer of security, ensuring that your gear is safe from theft.

The stylish NX nano texture on both the lid and base gives it a sleek, modern look, enhancing your vehicle's aesthetic as well. The box fits all Yakima StreamLine crossbars and most factory or aerodynamic crossbars, adding to its versatility. The box also offers optimized hatch clearance, ensuring it fits snugly without obstructing access to the car's trunk. However, the product is made of plastic, which might not be as durable as some metal counterparts. It is also not water-resistant, which could be an issue in wet weather conditions. Weighing 53 pounds, it may be slightly heavy for some users to manage alone.