#5 on this list
SkyBox Carbonite
Yakima
The Yakima SkyBox Carbonite is a dependable, utilitarian staple across the outdoor recreation community. Built for drivers who want straightforward, durable storage without unnecessary cosmetic frills, this workhorse box has spent years proving its reliability in tough conditions. Available across a wide spread of volumetric sizes from 12 up to 21 cubic feet, it offers options tailored to everything from compact sedans to full-size overland rigs. The exterior features Yakima's textured Carbonite dimpled lid, which provides decent structural stiffness while hiding cosmetic scratches from trail brush and loose gravel far better than glossy finishes. Independent reviewers emphasize its practical, tool-free mounting system that works reliably across aero, round, and square crossbars. The SuperLatch system physically separates latching from locking, meaning the key cannot be removed until all locking points along the rim are fully engaged, preventing accidental highway spills. The aging design does show some drawbacks when compared to modern updates like the NX series. The internal mounting clamps occupy more vertical space on the cargo floor, creating small obstacles around which gear must be packed. The lid can also feel somewhat heavy and flexible on the largest models, requiring deliberate guidance to latch. Still, for proven durability and high volume per dollar, the Carbonite remains an enduring favorite. **Highlights** - Textured Carbonite finish resists and masks cosmetic scratching - Wide variety of capacity options ranging from 12 to 21 cubic feet - SuperLatch security ensures all pins are engaged before locking - Dual-sided access eases packing across tall vehicle platforms - Proven durability under long-term exposure to sun and winter elements **Watch-outs** - Internal mounting hardware protrudes higher into usable floor area - Lid shows torsional flex on the larger volume configurations - Bulkier external profile generates noticeable drag on smaller cars
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#6 on this list
Vector
Thule
The Thule Vector represents the pinnacle of luxury, high-end cargo box engineering, aimed at drivers willing to pay top dollar for flawless aesthetics, rigid construction, and integrated technology. Built for performance vehicles, luxury SUVs, and serious travelers who refuse to accept flimsy plastic shells, the Vector pairs a low-slung, aerodynamic profile with a heavily reinforced dual-tone exterior that looks custom-fitted to modern vehicle designs. What sets the Vector apart in professional testing is structural integrity. The lid features an exceptionally rigid construction with an integrated steel frame, virtually eliminating the flexing, twisting, and latch misalignment common in standard plastic boxes. Inside, the Vector is lined with a soft felt base that deadens vibration, dampens road noise, and protects delicate equipment. Automatic integrated LED lights illuminate the interior as soon as the box is opened, a feature evaluators highlight as immensely practical when unloading at dark trailheads. These high-end touches come at an eye-watering price tag that easily outpaces standard rooftop carriers, along with a hefty empty weight that reaches nearly 60 to 66 pounds. Hoisting the Vector onto a roof rack practically requires two capable adults, and the low profile prioritizes skis and sleek bags over bulky camping gear. For buyers who demand absolute top-tier quality, silence at speed, and sleek lines, however, nothing else matches it. **Highlights** - Exceptionally rigid lid construction with reinforced framing - Built-in automatic interior LED lighting for nighttime unloading - Felt-lined interior base reduces gear rattling and absorbs shock - Smooth SlideLock mechanism with audible and visual engagement cues - Striking two-tone exterior designed to match high-end vehicle lines **Watch-outs** - Extremely expensive compared to standard cargo boxes - Substantial empty weight makes mounting physically demanding - Reduced interior vertical height limits bulky tote storage
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Specs side by side
| Spec | SkyBox Carbonite | Vector |
|---|---|---|
| Volume Range | 12 to 21 cu. ft. across multiple sizes | — |
| Weight Spread | 41 to 62 lbs. depending on model | — |
| Access | Dual-sided opening with SuperLatch security | — |
| Crossbar Fit | Tool-free mounting on round, square, and aero bars | — |
| Finish | Textured matte Carbonite dimpled lid | — |
| Security | Integrated SKS lock cores included | — |
| Cargo Volume | — | 13 cu. ft. (Vector M) |
| Empty Weight | — | 59 to 66 lbs |
| Interior Base | — | Felt-lined vibration dampener |
| Lighting | — | Dual integrated automatic LEDs |
| Locking System | — | SlideLock dual-side opening |
| Mounting System | — | PowerClick quick-mount clamps |
What our reviewers liked and didn't
SkyBox Carbonite
- Textured Carbonite finish masks branch scratches and road debris scuffs
- SuperLatch mechanism prevents key removal until all latch points seat
- Dual-sided opening simplifies loading on wide or lifted vehicles
- Wide range of capacities accommodates varied ski lengths and car sizes
- Internal mounting clamp housings protrude into usable floor packing space
- Lid flex on larger sizes requires two hands for proper closure alignment
- Bulky frontal profile creates higher wind drag than low-profile alternatives
Vector
- Exceptionally rigid lid construction prevents torsional twisting
- Integrated automatic LED lights illuminate gear at night
- Felt-lined interior floor dampens noise and prevents gear damage
- Sleek aerodynamic profile minimizes road noise and drag
- Extremely expensive compared to standard rooftop cargo boxes
- Heavy empty weight requires two adults for safe roof installation
- Low-profile shape restricts capacity for tall, bulky gear items
Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.