Thule Force 3 – Size XL – 18 cu ft – Aerodynamic roof Mounted Box – Dual-Sided Opening with Locks – Tool-Free Install – Weatherproof Design – for SUVs, Trucks, Cars, EVs and More Review

Introduction

The Thule Force 3 – Size XL (18 cu ft) is a roof-mounted cargo box designed to expand the carrying capacity of SUVs, trucks, cars, electric vehicles and more. It is aimed at outdoors enthusiasts, families on road trips, weekend skiers or snowboarders (depending on length), and anyone who needs weatherproof, secure storage on top of their vehicle without sacrificing aerodynamics. With a sleek profile, dual-sided opening, tool-free installation and integrated locks, the Force 3 XL is positioned for users who want a durable, easy-to-use cargo solution that blends form and function.

Detailed Description and Features

Design and Capacity

The Force 3 XL offers approximately 18 cubic feet of storage, providing room for luggage, camping gear, bulky soft bags and other travel essentials. Its aerodynamically sculpted shell is intended to reduce wind resistance and noise compared with traditional boxy carriers. The matte or low-gloss exterior finish (depending on model year) helps minimize visible scratches and blends well with most vehicle styles.

Dual-Sided Opening

One of the standout features is the dual-sided opening, which allows loading and unloading from either side of the vehicle. This makes accessing items in tight parking spaces or on one-way streets much easier and speeds up packing and unpacking at rest stops.

Security and Weather Protection

The box includes integrated locks to secure contents from theft and tampering. Weatherproof seals and a durable locking lid protect contents from rain, snow and road spray. Internal drainage and robust sealing help keep gear dry in a variety of conditions, though proper loading and occasional seal maintenance are recommended for long-term reliability.

Tool-Free Installation and Fit

Thule’s tool-free QuickGrip or PowerClick style mounting systems (depending on model year) simplify installation on most crossbars and roof racks. The box is engineered to fit a wide range of factory and aftermarket rack systems, making it versatile for owners of SUVs, trucks (with crossbars), sedans, and EVs. The mounting hardware is typically adjustable to accommodate different bar widths.

Durability and Materials

The shell is constructed from impact-resistant ABS or similar composite materials to withstand daily use and outdoor conditions. Hinges and latches are reinforced for repetitive use. While designed for longevity, like all rooftop accessories the box should be inspected periodically for wear, especially after heavy or off-road use.

Aerodynamics and Noise

Thule emphasizes aerodynamic shaping to minimize the drag penalty of carrying a roof box. Many users report a reasonable compromise between capacity and wind noise, though exact experience varies with vehicle shape, driving speed and installation. At highway speeds some additional wind noise and fuel consumption are expected whenever a roof box is used.

Pros and Cons (Based on Customer Feedback)

Pros

– Spacious 18 cu ft capacity for extended trips and bulky gear.

– Dual-sided opening for convenient access from either side of the vehicle.

– Weatherproof design and integrated locks for secure, dry storage.

– Sleek, aerodynamic profile reduces wind drag and helps limit noise compared with older box designs.

– Tool-free or simplified installation that fits many crossbar systems.

– Solid build quality and premium finish typical of Thule products.

Cons

– The box can be heavy and awkward to lift onto the roof, especially when fully loaded; two people are often needed.

– Higher price point than some generic alternatives—an investment for long-term use and reliability.

– Depending on vehicle height and clearance, the added roof height can make garage access or low-clearance areas more challenging.

– A few users report occasional fitment or compatibility issues with very small or unusually shaped crossbars—double-check fit guides before purchase.

– While generally quiet, some drivers still notice wind noise at highway speeds, particularly on certain vehicles and mounting orientations.

Customer Feedback Summary

Across reviews and owner reports, the Thule Force 3 XL earns praise for its combination of capacity, convenience and build quality. Owners commonly praise the dual-side opening and the ease of access it provides. The weatherproofing and locking system are frequently mentioned as reassuring for families and travelers. Installation is often described as straightforward thanks to the tool-free mounting features, though initial setup may require reading the instructions closely to ensure proper clamping and torque.

Negative feedback tends to focus on practical realities rather than fundamental flaws: the box’s weight when handling, its cost compared with budget alternatives, and occasional fit concerns on non-standard roofs or crossbars. A minority of users note some noise at higher speeds, but many say noise is comparable to other premium boxes and acceptable for the convenience gained. Overall customer sentiment skews positive—buyers who prioritize durability, security and convenience generally report satisfaction.

Conclusion and Recommendation

If you frequently travel with extra luggage, outdoor gear or equipment and want a reliable, well-made roof box that balances capacity and aerodynamic performance, the Thule Force 3 XL (18 cu ft) is a strong contender. It is particularly well suited for families, outdoor enthusiasts and EV or SUV owners who need extra cargo space without compromising security or weather protection. Be prepared for the weight when mounting and confirm compatibility with your vehicle’s crossbars before purchasing.

For those seeking a premium, easy-to-use cargo solution with dual-sided access and solid weatherproofing, the Thule Force 3 XL is recommended. If budget or lifting convenience is your top priority, consider smaller or more budget-oriented alternatives.

Learn more or purchase the Thule Force 3 XL here: https://amzn.to/4mioFwT

Buy on Amazon

Product Comparison Table