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Compare Cargo Boxes head to head

Pick any two picks from this list and see specs, current price, pros, cons and reader ratings side by side.

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Skybox NX

#2 on this list

Skybox NX

Yakima

The Yakima Skybox NX represents a modern refresh of Yakima's long-running flagship line, balancing full-size utility against a price point lower than top-tier rivals. Built for outdoor multi-sport users who need consistent all-season gear transport, the NX introduces upgraded mounting clamps and a more angular, contemporary aesthetic. Evaluators widely view it as a direct competitor to high-end European models, offering comparable interior utility with rugged, durable plastic construction. One of the most notable upgrades on the NX series is the revamped mounting hardware. Yakima switched to low-profile, clamp-style mounts that sit flatter against crossbars and take up less usable floor space inside the cargo compartment. Dual-sided access makes packing duffels and tensioning straps straightforward. The latch handle is positive and tactile, giving clear feedback when the lid is properly seated and ready to lock, eliminating guesswork before pulling out onto the highway. While the Skybox NX delivers excellent overall functionality, reviewers note that the plastic lid exhibits slightly more torsional flex than premium competitors like the Motion 3 when opening in brisk crosswinds. At around 47 to 53 pounds depending on size configuration, it is reasonably manageable to hoist, but its bulk makes two-person mounting much safer. It delivers roughly 90 percent of top-tier performance at a noticeable cost savings. **Highlights** - Low-profile interior mounting clamps preserve flat storage space - Dual-side opening offers balanced access across wide vehicles - Sturdy locking handle clearly indicates when latches are secured - Robust outer shell resists cosmetic scratching and road wear - Versatile crossbar compatibility fits round, square, and aero bars **Watch-outs** - Lid demonstrates moderate plastic flex during single-handed operation - Overall height can impact clearance in low-clearance residential garages - Bulky physical footprint makes solo roof placement challenging

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RocketBox Pro

#3 on this list

RocketBox Pro

Yakima

The Yakima RocketBox Pro is aimed squarely at budget-conscious outdoors enthusiasts, smaller vehicle owners, and drivers who do not require immense volumetric capacity. With configurations sitting roughly between 11 and 14 cubic feet, it offers a compact, functional alternative to massive, ship-sized roof haulers. Independent testers frequently highlight it as a dependable value pick, delivering essential Yakima durability without the premium pricing of flagship models. Despite its lower cost, the RocketBox Pro retains dual-sided opening, a feature often sacrificed on budget-oriented designs. This makes organizing camp gear or reaching specific bags easy regardless of which side of the vehicle you are standing on. Tool-free mounting hardware slides along channels to match varying crossbar spreads, simplifying setup across different factory and aftermarket roof racks. Its relatively low empty weight—ranging between 30 and 40 pounds—also makes it one of the easiest boxes to install or remove single-handedly. Trade-offs center on internal dimensions and basic finishes. Because of its shorter length, certain configurations cannot accommodate adult downhill skis or longer snowboards, limiting its versatility for winter sports. The lid plastic is thinner and noticeably more flexible than that found on higher-priced lines, requiring two hands to guide it securely shut into the latching points. For basic gear overflow and seasonal camping trips, however, it remains an exceptionally cost-effective option. **Highlights** - Budget-friendly price provides accessible rooftop hauling - Relatively lightweight construction facilitates one-person roof installation - Dual-sided lid opening enables access from either vehicle side - Tool-free mounting clamps adapt easily to varying bar spreads - Compact profile fits neatly on compact hatchbacks and crossovers **Watch-outs** - Shorter interior lengths exclude longer skis and winter gear - Flexible plastic lid requires careful alignment to latch shut - Textured finish shows road dirt and grime over time

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Specs side by side

Skybox NX versus RocketBox Pro specifications
SpecSkybox NXRocketBox Pro
Volume Options16 and 18 cubic feet—
Empty Weight47 to 53 lbs depending on size30 to 40 lbs.
Opening MechanismDual-sided with tactile latch handle—
Mounting SystemLow-profile clamp hardware—
Crossbar FitAero, round, square, and factory crossbarsAerodynamic, round, square, and factory bars
Approximate Price$850$699
Cargo Volume—11 to 14 cu. ft. (configuration dependent)
Lid Access—Dual-sided opening
Mounting Style—Tool-free sliding clamps

What our reviewers liked and didn't

Skybox NX

  • Low-profile floor clamps maximize flat interior packing space
  • Dual-sided access eases gear loading and clamp adjustment
  • Tactile latch handle clearly confirms secure lid closure
  • Competitive price delivers premium utility below four figures
  • Durable textured shell resists scratches and highway debris
  • Lid shows noticeable torsional flex when open in stiff winds
  • Bulk and weight make two-person roof installation advisable
  • Tall profile requires careful garage and overhang clearance checks

RocketBox Pro

  • Lightweight profile enables straightforward solo lifting and mounting
  • Dual-sided opening provides hassle-free gear access from either side
  • Tool-free sliding clamps adapt easily to varied crossbar spreads
  • Short overall length eliminates rear hatch clearance problems
  • Interior length cannot accommodate standard adult downhill skis
  • Lid plastic flexes significantly and requires two hands to latch
  • Limited capacity unsuitable for large families or expedition loads

Prices change constantly — the figure shown is the last verified catalog price, and the buy buttons always go to the current listing.