Rhino-Rack Cargo Box Review – Zenith Model
When it comes to gearing up for outdoor adventures or family road trips, extra cargo space can make all the difference. Enter the Rhino-Rack Zenith Cargo Box—a sleek, aerodynamic solution designed to expand your vehicle’s storage without compromising on style or fuel efficiency.
I had the opportunity to test the Zenith Cargo Box on a 2008 Subaru Outback. By upgrading from the vehicle’s old crossbars to the new RHINO KIT WITH SX100 and Rhino Rack Crossbars, we hoped to enhance both functionality and aesthetics. Our testing took us from daily drives around town to the slopes of Snow King Mountain.
Unboxing and Installation

The Rhino-Rack Zenith Cargo Box arrived meticulously packaged, ensuring all components were protected during transit. Upon opening the box, the first thing that caught my eye was the cargo box’s sleek, glossy finish that promised to complement any vehicle’s appearance. The build quality felt robust, hinting at durability that could withstand the rigors of frequent use.
We began the installation by removing the Outback’s old crossbars, which had seen better days. The RHINO KIT WITH SX100 and Rhino Rack Crossbars were straightforward to install, thanks to the clear instructions provided. The crossbars featured a universal design, making them adaptable to a wide range of vehicles, a significant plus for anyone considering future vehicle changes.

Mounting the Zenith Cargo Box onto the new crossbars was refreshingly simple. The cargo box came with an intuitive clamping system that required no special tools. We secured it in place using the integrated clamps, which tightened firmly onto the crossbars with a few easy turns. The entire process, from unboxing to fully mounted, took just under an hour.
One of the big things we noticed during installation was the cargo box’s dual-side opening mechanism. This design allows access from either side of the vehicle, a convenience we knew would be valuable during our ski trips. Additionally, the locking key system was easy to operate, adding a layer of security for our gear.
Design and Build Quality

The Rhino-Rack Zenith Cargo Box is a prime example of how functionality and style can coexist seamlessly. At first glance, the cargo box’s sleek and aerodynamic design is immediately apparent. Its streamlined shape not only enhances the vehicle’s aesthetic appeal but also contributes to improved fuel efficiency by reducing wind resistance—a significant advantage over bulkier cargo boxes.
Crafted from high-quality, durable materials, the Zenith Cargo Box is built to withstand the rigors of regular use and harsh weather conditions. The lid and base are made from impact-resistant ABS plastic, providing a robust shell that protects your gear from external elements. The UV-protected finish ensures that the cargo box retains its glossy appearance over time, resisting fading and wear from sun exposure.
One of the standout design features is the cargo box’s low-profile silhouette. Measuring 76 inches in length, 32 inches in width, and 14 inches in height, it adds minimal height to your vehicle. This design consideration is particularly beneficial when navigating through areas with low overhead clearances, such as parking garages or tunnels.
The build quality is evident in the attention to detail. The hinge mechanisms are sturdy and operate smoothly, allowing for effortless opening and closing of the lid. The lid itself is reinforced to prevent flexing, ensuring that it maintains its shape even when subjected to wind forces at highway speeds. Rubber sealing around the perimeter of the lid provides a tight, weatherproof closure, keeping your gear dry and protected.
Mounting the Zenith Cargo Box onto the Rhino-Rack Crossbars was a straightforward process, thanks to the universal mounting hardware included. The clamps are adjustable and compatible with a variety of crossbar shapes and sizes, making it a versatile option for different vehicles. The secure attachment system gives confidence that the cargo box will remain firmly in place throughout your journey.
Visually, the cargo box complements the lines of the 2008 Subaru Outback we tested it on, adding a modern touch to the vehicle’s appearance. Its clean lines and glossy black finish create a cohesive look that enhances rather than detracts from the car’s design.
Features and Functionality

The Rhino-Rack Zenith Cargo Box is equipped with a host of features that prioritize user convenience, security, and versatility, making it a standout choice for expanding your vehicle’s cargo capacity.
Dual-Side Opening Mechanism
One of the most convenient features is the dual-side opening capability. This design allows access ear from either side of the vehicle, a significant advantage in tight parking spaces or when roadside access is restricted. This feature was rad especially when loading and unloading equipment at the base of Snow King Mountain. No matter where we parked or which side was more accessible, I could easily reach for my board or a pair of skis without hassle.
Generous Storage Capacity

With a 400-liter capacity, the Zenith Cargo Box offers ample space for a variety of items. We comfortably stored two sets of skis and snowboards, along with additional gear like helmets and boots, and still had room to spare. The internal dimensions are thoughtfully designed to accommodate items up to 185 cm in length, making it ideal for winter sports enthusiasts. The box’s height allows for bulkier items as well, providing flexibility for different packing needs.
Secure Locking System
Security is a paramount concern when storing valuable equipment on your vehicle’s roof. The Zenith Cargo Box addresses this with a robust locking key system. The central locking mechanism ensures that the box is securely closed, and it cannot be opened or closed without the key inserted. This feature adds an extra layer of security against theft and prevents accidental opening while driving. Knowing that our gear was securely locked away provided peace of mind, especially when leaving the vehicle unattended in public areas.
Aerodynamic Design for Fuel Efficiency
The cargo box’s aerodynamic shape is not just for looks—it plays a crucial role in reducing air resistance. Compared to bulkier racks, the Zenith’s streamlined profile minimizes drag, which positively impacts fuel efficiency. During our in-town drives and highway trips to the mountains, we noticed a negligible difference in fuel consumption, a testament to the box’s efficient design.
Easy Installation and Compatibility
The Zenith Cargo Box features a user-friendly mounting system that requires no special tools. The quick-release clamps allow for swift installation and removal, making it convenient to attach the cargo box only when needed. Its compatibility with various crossbar systems, including the Rhino-Rack Crossbars and the RHINO KIT WITH SX100, means it can be fitted to a wide range of vehicles beyond my 2008 Subaru Outback.
Weather Resistance
Constructed to withstand the elements, the cargo box protects your gear from rain, snow, and dust. The overlapping lid design and rubber seals create a waterproof barrier, ensuring that your equipment remains dry regardless of the weather conditions. This feature was particularly important for ski trips, where snowfall and wet conditions are a given…
Performance Testing in a Mountain Town

My test of the Rhino-Rack Zenith Cargo Box spanned various environments, from daily urban commutes to adventures at Snow King Mountain. Navigating through traffic and parking in tight spaces posed no issues, and the low-profile silhouette ensured that overhead clearances in parking garages were not a concern, and the vehicle’s handling remained responsive and predictable.
The true test came during our ski trip to Snow King Mountain. We loaded the cargo box with two sets of skis and snowboards, along with helmets, boots, and additional gear like gloves and goggles. The massive 400-liter capacity was plenty, and we even had extra space for packing so we didn’t have to cram everything in and sit on it to close it.
On the road to the mountain, the cargo box demonstrated excellent stability. The added weight on the roof was barely noticeable. My Subbie maintained its typical agility, and we didn’t have any issues with braking, cornering, or excessive drag while moving.
On arrival, the dual-side opening was perfect for getting the box unloaded in a crowded resort lot. The lid opened smoothly, and the struts held it securely in place, allowing us to use both hands to handle our gear safely.
Pros & Cons
Pros
- Dual-Side Opening: Provides convenient access from either side, ideal for tight parking spaces and varied access points.
- Generous Storage Capacity: 400 liters accommodates skis, snowboards, and additional gear with ease.
- Robust Security: An advanced locking key system ensures gear remains secure.
Cons
- Weight Addition: While minimal, the cargo box adds extra weight to the vehicle roof, which may slightly affect handling.
- Height Restrictions: Despite its low-profile design, taller vehicles may still face clearance issues in certain environments.
Overall Impression
Throughout my testing the Rhino-Rack Zenith Cargo Box demonstrated exceptional performance rugged mountain terrains. While it may come at a higher price point, the Rhino-Rack Zenith Cargo Box delivers on quality, functionality, and security, making it a valuable investment for those looking to elevate their vehicle’s storage capabilities. Are you ready for adventurous getaways, this cargo box is designed to meet the demands of modern drivers with ease and elegance.
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