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If you own a Kia Soul, adding a rooftop cargo box can expand usable space and make hauling bulky gear easier on longer trips. The right box keeps items dry, organized, and out of the cabin so passengers stay comfortable. This guide highlights five shortlisted rooftop cargo boxes suited to the Kia Soul, chosen for their fit, mounting simplicity, capacity, and aerodynamic performance. Below we explain the criteria we used and what to look for when picking the best option for your needs.
Looking for other parts? See all Kia Soul parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Perflex Exclusive Rooftop Hard-Shell Cargo Box — 17.7 cu ft |  |
| Best Quality Built to a higher standard if you want something more solid | VISRACK W58 Hard-Shell Roof Cargo Box — 15.5 cu ft, Dual-Side Opening |  |
| Best Budget The cheapest option that still gets the job done reliably | GarveeTech Hard-Shell Rooftop Cargo Box — Dual-Side Opening, 12 cu ft |  |
| Most Sold A high-volume bestseller chosen again and again | Yakima SkyBox NX 18 Rooftop Cargo Box |  |
| Best Overall The best all-around choice for most situations | Goplus 14 cu ft Hard-Shell Roof Cargo Box |  |
1. Perflex Exclusive Rooftop Hard-Shell Cargo Box — 17.7 cu ft
| Item Volume | 500 Liters |
|---|---|
| Water Resistance Level | Waterproof |
| Mounting Type | Roof Mount |
| Shell Type | Hard |
| Weight Capacity | 130 lbs |
This Perflex hard-shell cargo box is designed to add significant rooftop storage for a Kia Soul without permanent modifications. It provides 17.7 cubic feet (500 liters) of capacity and a 130 lb load limit, making it suitable for luggage, skis, boards, and camping gear. Installation is tool-free and uses universal roof-rack mounting hardware so you can mount and remove the box quickly between trips. The dual-side opening improves loading access on either side of the vehicle, and the central locking system with multiple keys helps keep contents secure. The shell is made from UV- and impact-resistant ABS and is described as water-resistant, which protects gear from rain and road spray. Practical downsides to note are the box size and weight when handling it solo during installation, and some user reports of latch or opening issues on one side, which suggests checking locks before driving long distances. Also expect added wind noise and modest fuel economy impact when roof-mounted on a Kia Soul.
Best for: Practical, reliability-focused Kia Soul owners who prioritize secure, weather-resistant rooftop storage for regular trips and value straightforward mounting and predictable performance.
Less Ideal for: Drivers who need a compact, lightweight carrier for occasional small loads or who cannot lift and mount a heavy box without assistance should consider smaller soft or lighter hard-shell options.
- Large 17.7 cu ft (500 L) capacity for bulky items like skis and luggage
- Tool-free, universal mounting for quick installation and removal from roof crossbars
- Dual-side opening for easier loading and unloading from either side
- Central locking system with extra keys adds security for stored gear
- UV- and impact-resistant ABS shell offers weather and road protection
- Relatively heavy to handle during installation which may require two people
- Some customers reported latch or opening failures on one side, indicating quality variability
Verdict A roomy, secure hard-shell cargo box that fits a Kia Soul well for regular travel but requires care with installation and occasional latch checks.
2. VISRACK W58 Hard-Shell Roof Cargo Box — 15.5 cu ft, Dual-Side Opening
| Water Resistance Level | Waterproof |
|---|---|
| Mounting Type | Roof Mount |
| Item Volume | 15.5 Cubic Feet |
| Shell Type | Hard |
| Automotive Fit Type | Universal Fit |
The VISRACK W58 is a hard-shell rooftop cargo box that increases your Kia Soul's carrying capacity by providing 15.5 cubic feet of lockable, weatherproof storage. It mounts to crossbars and opens from either side, which makes loading bulky gear easier when the box is installed on a Soul with aftermarket crossbars. The ABS/PMMA shell is designed to keep contents dry and the integrated locks help secure items on long trips. Installation uses the supplied brackets and can be done without special tools, though initial setup and aligning the u-bolt style clamps can take some time. At 130 pound load capacity it handles luggage, camping gear, or a disassembled bicycle for weekend trips, but the box is not oversized so very long items will not fit. Expect a modest fuel economy penalty and plan on removing the box for automatic car washes. For a performance-minded Kia Soul owner who needs reliable, aerodynamic rooftop storage, the VISRACK delivers solid real-world utility with simple security and dual-side access, while sacrificing a bit of convenience compared with premium mounting systems.
Best for: Performance-oriented buyers who prioritize dependable, aerodynamic rooftop storage for weekend trips and outdoor gear while keeping cabin weight low and handling predictable.
Less Ideal for: Drivers who need to carry oversized or very long items or who prefer tool-free quick-mount systems for frequent removal should consider other solutions.
- 15.5 cubic feet of usable roof storage expands luggage capacity without impacting cabin space
- Waterproof hard-shell construction protects gear from rain and road spray
- Dual-side opening makes loading and unloading from either side of the Kia Soul easier
- Integrated locking system adds basic security for valuables during travel
- Mounting uses u-bolt style brackets that can be slower and less convenient to install than premium clamp systems
- Not intended for very long items due to its 58.3 inch length
Verdict A compact, weatherproof hard-shell box that gives a Kia Soul practical, secure rooftop capacity with dual-side access but uses a more basic mounting system.
3. GarveeTech Hard-Shell Rooftop Cargo Box — Dual-Side Opening, 12 cu ft
| Volume | 12 Cubic Feet |
|---|---|
| Mounting Type | Roof Mount |
| Material Type | ABS |
| Water Resistance Level | Waterproof |
| Weight Capacity | 165 lbs |
This GarveeTech hard-shell cargo box gives Kia Soul owners a practical, lower-cost way to add about 12 cubic feet of weatherproof storage for weekend trips or grocery runs. It mounts to crossbars and uses a quick clamp system and support arm for a straightforward install; the dual-side opening and included keys make loading and unloading from either side of the car convenient. The ABS shell and aerodynamic profile help keep items dry and reduce wind noise compared with bulkier boxes, and the box claims a 165 lb load capacity for heavier loads. On the downside, some users report fitment issues with certain crossbar layouts and occasional durability concerns with plastic locks and hardware, so expect to inspect mounting points and locks before long trips. For owners of a Kia Soul the box will generally fit if you have a compatible roof rack, but double-check crossbar spacing and the pre-cut mounting holes to avoid on-vehicle modifications.
Best for: Budget-conscious Kia Soul owners who want an affordable way to expand cargo space for short road trips and errands without spending on premium brands.
Less Ideal for: Drivers who need maximum capacity, metal security hardware, or guaranteed fitment without any adjustments should consider higher-end or vehicle-specific alternatives.
- Dual-side opening for easier access from either side of the vehicle.
- Waterproof ABS hard shell and aerodynamic shape reduce noise and protect cargo.
- Quick clamp-style mounting system that many buyers find fast and simple to install.
- Some customers report plastic lock components and hardware that may fail with heavy use.
- Pre-cut mounting holes may not align with all crossbar layouts and could require modification.
Verdict A wallet-friendly hard-shell box that adds convenient dual-side access and waterproof storage to a Kia Soul but may require fitment checks and careful inspection of plastic locks.
4. Yakima SkyBox NX 18 Rooftop Cargo Box
| Volume | 18 Cubic Feet |
|---|---|
| Mounting Type | Roof Mount |
| Shell Type | Hard |
| Water Resistance Level | Not Water Resistant |
The Yakima SkyBox NX 18 is a hard-shell rooftop cargo box designed to add significant storage to a vehicle roof while keeping gear protected and accessible. It mounts to roof crossbars and provides 18 cubic feet of capacity suitable for luggage, skis, snowboards, or camping gear. The box opens from both sides, which makes loading and unloading easier when parked on either side of the Kia Soul, and the metal handle with integrated locks secures the lid and deters theft. Installation uses Yakima’s clamp-style mounting hardware that grips crossbars and holds the box steady at highway speeds. The flattened internal floor and nano-texture finish help items sit flat and make the interior easier to clean. Important limitations are the box’s length and height relative to the Soul’s rear hatch clearance and roofline; larger sizes can interfere with trunk opening on compact SUVs, so measure before choosing. The shell is not advertised as water resistant, so careful packing or internal dry bags are recommended for heavy rain exposure.
Best for: A risk-averse mainstream buyer who prioritizes proven, well-built accessories and wants a secure, factory-quality rooftop storage solution for routine travel and weekend trips with their Kia Soul.
Less Ideal for: Buyers who need a minimal-profile solution for frequent city parking, or those who cannot accommodate a long rooftop box without obstructing hatch access should consider low-profile alternatives or smaller sizes.
- Large 18 cubic foot capacity fits multiple suitcases or long gear like skis and snowboards up to 195 cm
- Dual-sided opening for convenient loading from either side of the vehicle
- Integrated metal handle with locking system secures gear and locks the box to the vehicle
- Flattened internal floor and nano-texture finish improve usable space and cleanliness
- Not listed as water resistant so additional waterproofing measures may be needed in heavy rain
- Long profile may block or limit rear hatch opening on compact cars if positioned too far back
- Requires two people to lift and position safely due to length and bulk
Verdict If you want dependable, secure rooftop storage for the Kia Soul and can fit the long profile, the SkyBox NX 18 is a practical, high-capacity choice; if hatch clearance is tight, pick a smaller, lower-profile box.
5. Goplus 14 cu ft Hard-Shell Roof Cargo Box
| Volume | 14 Cubic Feet |
|---|---|
| Mounting Type | Roof Mount |
| Water Resistance Level | Waterproof |
| Shell Type | Hard |
| Material Type | ABS, PC |
This Goplus roof cargo box expands a Kia Soul's carrying capacity by providing 14 cubic feet of weatherproof storage on a roof rack. It mounts to crossbars with four quick-connect anchors and supports a stated 165 lb load, letting you carry luggage and bulky items without crowding passengers. The dual-side opening is a practical touch for loading from either side of the vehicle, and the ABS/PC shell keeps contents dry and resists everyday wear. Installation is simple enough for one person and the aerodynamic shape helps limit wind noise and fuel penalty compared with a soft bag. Weaknesses to consider include relatively thin lid panels and mostly plastic lock components that feel less robust than metal alternatives, and users sometimes report fiddly latch alignment or missing internal tie-down points for securing loose items. Customer support reports are mixed, so getting replacement keys or parts may be slower in some cases. For routine road trips and family use on a Kia Soul this box gives a lot of extra space for the price but foregoes premium build refinements.
Best for: Practical, balanced buyers who want a reliable, affordable way to carry extra luggage on a Kia Soul for road trips and weekend errands without paying for premium-brand frills.
Less Ideal for: Buyers who prioritize maximum security, metal hardware, or thick, reinforced lids should consider higher-end boxes with stronger locks and thicker shells.
- Solid 14 cu ft capacity adds meaningful cargo room without affecting interior comfort
- Waterproof ABS/PC shell protects gear from rain and road spray
- Dual-side opening improves access when mounted on a Kia Soul
- Easy single-person installation with four quick-connect anchors
- Aerodynamic profile reduces wind noise compared with non-streamlined options
- Top panel is relatively thin and can feel flexible under pressure
- Lock and latch components are mostly plastic and less durable than metal systems
- Some users report limited internal tie-down points and unclear instructions
Verdict A budget-friendly, waterproof 14 cu ft hard-shell box that adds practical storage to a Kia Soul but trades premium locks and lid thickness for a lower price.
Choosing the Right Kia Soul Rooftop Cargo Box: Key Factors to Consider
Mounting Compatibility
Mounting compatibility determines whether a rooftop cargo box will attach securely to the Kia Soul’s crossbars. Check the box’s clamping or U-bolt fit range and whether it works with raised, flush, or T-slot crossbars. Some boxes use tool-free clamps while others require bolts; tool-free systems speed installation but must still provide strong, vibration-resistant clamping.
Incorrect fit can lead to unstable loads, increased noise, or difficulty installing the box alone. Also verify minimum and maximum bar spacing if you plan to move the box between vehicles or reposition it on the roof. Prioritizing clear, adaptable mounting hardware reduces hassle and improves safety on the road.
Internal Capacity and Layout
Capacity, often expressed in liters, directly affects what you can carry. Consider both total liters and how that volume is shaped internally. A long, narrow box is better for skis and fishing rods, while wider, deeper boxes suit luggage and camping gear.
Look for molded interiors or built-in tie-down points that help organize items and prevent shifting during transit. Also consider how the lid opens and whether both-side access or a single-side opening fits your parking and loading habits. Matching capacity to typical loads avoids wasted space or frustrating overfilling.
Aerodynamics and Profile
Aerodynamic design impacts fuel economy, wind noise, and driving stability. Lower-profile boxes and those with tapered noses tend to create less drag and quieter highway performance. For frequent long-distance driving, choosing a streamlined shape can noticeably reduce wind buffeting and noise inside the cabin.
Higher, bulkier boxes offer more volume but increase frontal area and wind resistance. Balance the need for capacity against expected travel speed and routes. If most trips are city or short-distance, profile matters less than on highways.
Durability and Weather Protection
A rooftop cargo box must resist sun, temperature swings, and road debris. Hard-shell construction with UV-resistant plastics or reinforced panels lasts longer than flimsy materials and helps maintain shape and sealing. Pay attention to the sealing system around the lid for water and dust protection.
Hinges, locking hardware, and lid stiffness also affect longevity. Corrosion-resistant metal parts and robust plastic hinges reduce maintenance needs. Ensure locks are integrated and positioned to stay protected from salt and grime if you travel in wet conditions.
Ease of Installation and Use
Ease of installation affects how often you will actually use the box. Lightweight designs and intuitive hardware enable a single person to mount and remove the box without assistance. Clear access to mounting clamps and quick-release mechanisms save time and frustration.
Consider how the lid opens, latch ergonomics, and whether keys or integrated locks are user-friendly. Installation instructions that are easy to follow and labeled hardware reduce the chance of incorrect mounting, which improves safety and reliability on the road.
Access and Security Features
Access features determine how convenient it is to load and unload gear. Dual-side openings or low lid thresholds make handling bulky items simpler and safer. Secure locking systems deter theft and keep contents safe when parked.
Look for keyed locks with robust housings and shielded mechanisms. Some boxes include internal straps or anchor points to keep cargo from moving. Practical access and good security reduce the need to repeatedly re-pack items and provide peace of mind during stops.
FAQ
Will a rooftop cargo box fit the Kia Soul without modification?
Many rooftop cargo boxes are designed to attach to common crossbar profiles used on cars like the Kia Soul. Fit depends on your vehicle’s crossbar type and spacing. Check the box’s stated clamp range and the crossbar dimensions on your Kia Soul to confirm compatibility before purchasing.
How does roof box size affect driving and fuel economy?
Larger boxes increase wind resistance and can modestly reduce fuel economy, especially at highway speeds. Lower-profile, aerodynamic boxes minimize that effect. If you mostly drive short distances or in town, the impact is usually small; for frequent long trips, choose a streamlined profile to limit drag.
Can I install a rooftop cargo box by myself?
Many boxes are designed for single-person installation, particularly lighter models with user-friendly clamps. However, larger hard-shell boxes may be heavy and awkward, so having a second person helps. Practice mounting at home and follow the manufacturer’s instructions for secure attachment.
What should I consider about security and locking?
Integrated locks provide basic theft deterrence and protect contents from casual tampering. Look for locks that are shielded from the elements and that use hardened components. Remember that locks slow opportunistic theft but do not guarantee absolute protection, so avoid leaving high-value items unattended.
How do I know what capacity in liters I need?
Estimate typical loads such as luggage, camping gear, or sports equipment and compare those volumes to the box’s listed capacity in liters. Think about the shape of what you carry as well as total volume, since long items may need length over bulk. Choosing a slightly larger capacity than your usual load gives flexibility.
How We Chose the Best Kia Soul Rooftop Cargo Box
We focused on units that mount cleanly to factory crossbars or common aftermarket bars compatible with the Kia Soul and prioritized secure, tool-assisted mounting systems that reduce installation time and loosening in use. Capacity and internal organization were key: we looked for boxes with usable internal volume and features like tie-down points or molded storage zones that help secure cargo and prevent shifting. Durability matters for roof cargo boxes used over multiple seasons, so we evaluated construction materials, lid rigidity, and weather-sealing details that affect long-term performance. Aerodynamics and profile were considered to minimize added wind noise and drag, especially important on highway drives. We also checked ease of access and compatibility with common roof-bar spacing to ensure practical everyday use. We excluded soft bags, universal rooftop gear that requires custom fabrication, and any units that do not clearly support secure attachment to crossbars. The final picks reflect a balance of mounting reliability, usable capacity, weather protection, and user-friendly installation.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right rooftop cargo box for a Kia Soul means balancing capacity, mounting compatibility, and aerodynamic profile. Prioritize a box that securely fits your crossbars, offers the internal layout you need, and has robust weather protection for regular use. Weigh how often you will use the box and the types of items you carry. For frequent highway driving, favor streamlined designs; for maximum carrying power, prioritize larger internal volume and secure mounting hardware. That approach will help you pick a practical, long-lasting solution for extra roof storage.
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