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SportRack Roof Cargo Boxes: 5 Picks Ranked by Specs

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You need the best SportRack roof cargo boxes to expand your vehicle’s storage without compromising safety or aerodynamics. SportRack offers a diverse range of rigid and soft-shell carriers, including compact models for tight parking and larger units designed for rear or passenger-side access. This guide compares 5 options strictly by their published specifications. The SportRack Vista XL Rear Opening Cargo Box leads the list because its 18 cubic feet of ABS construction and rear-entry design provide secure, traffic-safe loading for drivers with compatible crossbar spacing.

Quick picks

#ProductBest forPrice
1 SportRack Vista XL Rear Opening Cargo Box Best overall rear access loading on compatible racks Check price of SportRack Vista XL Rear Opening Cargo Box on Amazon
2 SportRack Sidekick Cargo Box Best budget small loads and tight parking Check price of SportRack Sidekick Cargo Box on Amazon
3 SportRack Cargo Box + Go Packs Best premium flexible storage and compactability Check price of SportRack Cargo Box + Go Packs on Amazon
4 SportRack Horizon 2 L Cargo Box Also great Passenger-side loading needs Check price of SportRack Horizon 2 L Cargo Box on Amazon
5 SportRack Skyline XL Cargo Box Also great secure passenger-side roof storage Check price of SportRack Skyline XL Cargo Box on Amazon

Our 5 picks

Best overall

SportRack Vista XL Rear Opening Cargo Box

Best for: rear access loading on compatible racks

Capacity
18 cubic foot (510 L)
Shell Type
ABS
Opening
rear
Load Capacity
100 pounds (45 kg)
Security
key and lock
Installation
tool-free

View on Amazon: SportRack Vista XL Rear Opening Cargo Box Affiliate link

The SportRack Vista XL offers 18 cubic feet of storage in a durable ABS shell. Its rear-opening design lets you load gear without stepping into traffic. It mounts tool-free to crossbars spaced between 23.6 and 29.8 inches. With a 100-pound load limit and included key lock, it secures your cargo safely. This box suits drivers needing easy access and reliable protection for their gear.

Pros

  • 18 cubic foot capacity for ample storage
  • Rear opening keeps you away from traffic
  • Tool-free mounting hardware simplifies installation
  • Includes key and lock for security
  • Durable UV-resistant ABS construction

Cons

  • Single-side access limits loading flexibility
  • Heavier at 42 pounds than some rivals
  • Requires crossbars spaced within a narrow range

Good fit if

  • You need easy rear access to your cargo
  • You have crossbars spaced between 23.6 and 29.8 inches
  • You want a durable ABS shell with key security

Skip if

  • You require dual-side access for convenience
  • Your crossbars are spaced outside the 23.6 to 29.8 inch range
  • You prefer a lighter box for easier handling

Verdict: SportRack Vista XL 18 cu ft Rear-Open provides secure, traffic-safe loading for drivers with compatible crossbar spacing. It is ideal for those prioritizing rear access and robust ABS construction over dual-side entry.

Best budget

SportRack Sidekick Cargo Box

Best for: small loads and tight parking

Capacity
8 cubic foot
Opening
passenger-side opening
Load Capacity
75 pounds
Security
lock to secure contents
Dimensions
54 x 25 x 15.5 inches
Size
One Size

View on Amazon: SportRack Sidekick Cargo Box Affiliate link

The SportRack Sidekick is a compact 8 cubic foot roof box designed for small loads like camping gear or golf clubs. It measures 54 x 25 x 15.5 inches and weighs 22.7 pounds. The passenger-side opening allows for easier loading in tight spaces. It supports up to 75 pounds of load and includes a lock for security. This model fits most factory racks and SportRack systems.

Pros

  • 8 cubic foot capacity for small loads
  • Passenger-side opening for easier access
  • Includes lock for security
  • Fits square, round, and factory racks

Cons

  • 8 cubic foot capacity is smaller than competitors
  • 75 pound load limit is lower than larger boxes
  • 22.7 pound weight adds roof load

Good fit if

  • You need a compact box for short trips
  • You park in tight spaces with limited clearance
  • You carry light loads under 75 pounds

Skip if

  • You need to carry large families gear
  • You require more than 8 cubic feet of space
  • You plan to load heavy items over 75 pounds

Verdict: SportRack Sidekick 8 Cu Ft Cargo Box is a practical option for drivers with small loads or tight parking situations. It suits those who prioritize easy access and compact storage over maximum capacity.

Best premium

SportRack Cargo Box + Go Packs

Best for: flexible storage and compactability

Shell Type
Soft Shell

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This SportRack cargo carrier uses a soft shell design made from polypropylene. It features a zipper closure instead of a hard lid. The black finish matches standard roof racks. You get a flexible storage option that compresses when empty. This is a practical choice for gear that does not need rigid protection. It suits those who prioritize packability over weatherproof rigidity.

Pros

  • Soft shell construction allows for compression when not in use
  • Made from durable polypropylene material
  • Zipper closure provides flexible access

Cons

  • Soft shell offers less impact protection than hard plastic boxes
  • Zipper closure may be less secure against heavy rain than latched lids
  • Lacks the rigid structure of hard shell carriers

Good fit if

  • You need a carrier that folds flat for storage
  • You want a lightweight option for smaller loads
  • You prioritize packability over rigid protection

Skip if

  • You require maximum impact protection for heavy gear
  • You need absolute waterproof security in heavy storms
  • You prefer a rigid hard shell design

Verdict: SportRack Soft Shell Cargo Box is a flexible storage solution for buyers who value compactability over rigid protection. It fits users with smaller loads who need to save space when the box is empty.

Also great

SportRack Horizon 2 L Cargo Box

Best for: Passenger-side loading needs

Capacity
16 cubic feet
Opening
Passenger-side
Load Capacity
110 lbs
Security
CentralLocking system
Installation
U-bolt attachment kit
Size
One Size

View on Amazon: SportRack Horizon 2 L Cargo Box Affiliate link

The SportRack Horizon 2 Cargo Box L offers 16 cubic feet of volume and a 110 lbs load capacity. Its passenger-side opening allows for easier loading and unloading. The unit uses a U-bolt attachment kit for installation on square, round, or factory racks. A CentralLocking system ensures security by preventing key removal until all points are closed. This box suits drivers needing extra space with straightforward access.

Pros

  • 16 cubic feet of storage volume
  • 110 lbs load capacity
  • Passenger-side opening for easier access
  • CentralLocking system for security

Cons

  • Single side access limits flexibility
  • No mention of aerodynamic design features
  • Standard U-bolt installation requires manual tightening

Good fit if

  • You need extra cargo space for trips
  • You prefer loading from the passenger side
  • You have square or round roof bars

Skip if

  • You require rear opening access
  • You need a capacity over 16 cubic feet
  • You want a soft shell design

Verdict: SportRack Horizon 2 Cargo Box L provides reliable storage for those prioritizing passenger-side access and solid load limits. It fits drivers who value secure locking and straightforward rack compatibility.

Also great

SportRack Skyline XL Cargo Box

Best for: secure passenger-side roof storage

Shell Type
high-density material
Opening
passenger side
Security
locks
Installation
U-bolt mounting hardware kit included
Dimensions
55" L x 41" W x 14" H
Size
One Size

View on Amazon: SportRack Skyline XL Cargo Box Affiliate link

The SportRack Skyline XL is a 55 by 41 by 14 inch cargo carrier made from high-density material. It opens on the passenger side for safe access away from traffic. The box includes locks and U-bolt mounting hardware for installation on racks rated at 150 lbs. This model requires significant assembly. It suits drivers who need a durable, secure storage solution for their roof rack system.

Pros

  • Passenger side opening for safe access
  • Includes locks for security
  • High-density material shell
  • U-bolt mounting hardware included

Cons

  • Significant assembly required
  • No mention of aerodynamic design
  • No mention of integrated mounting rails

Good fit if

  • You need passenger-side access
  • You want included locking hardware
  • You have a rack rated for 150 lbs

Skip if

  • You want quick setup
  • You need a compact 16 cubic foot box
  • You prefer soft shell storage

Verdict: SportRack Skyline XL Cargo Box offers secure passenger-side access and durable construction for those willing to invest time in assembly.

Specifications side by side

Spec SportRack Vista XL Rear Opening Cargo Box SportRack Sidekick Cargo Box SportRack Cargo Box + Go Packs SportRack Horizon 2 L Cargo Box SportRack Skyline XL Cargo Box
Capacity 18 cubic foot (510 L) 8 cubic foot not stated 16 cubic feet not stated
Shell Type ABS not stated Soft Shell not stated high-density material
Opening rear passenger-side opening not stated Passenger-side passenger side
Load Capacity 100 pounds (45 kg) 75 pounds not stated 110 lbs not stated
Security key and lock lock to secure contents not stated CentralLocking system locks
Installation tool-free not stated not stated U-bolt attachment kit U-bolt mounting hardware kit included
Dimensions 63 x 38 x 19 in 54 x 25 x 15.5 inches not stated not stated 55" L x 41" W x 14" H
Size 18-Cubic Feet One Size not stated One Size One Size
Weight 42 pounds 22.7 pounds not stated not stated not stated
Color Black Black Black New Black Black
Model SR7018 SR7020 not stated SR7030 SR7096

SportRack Roof Cargo Box Picks

SportRack offers distinct carriers for specific needs. The Vista XL 18 cu ft provides rear access for secure loading. The Sidekick 8 cu ft suits small loads and tight parking. The Horizon 2 L enables passenger-side access. The Skyline XL offers durable passenger-side storage.

These rigid ABS models vary in dimensions. The Vista XL measures 62.5 inches long. The Sidekick is compact at 54 inches. The Skyline is 55 inches long. The soft-shell option prioritizes compactability over rigid protection. You should choose based on your rack spacing and access preference. Rear opening suits those needing traffic-safe loading. Passenger-side access helps in tight spots. Compact models fit smaller vehicles. Larger boxes carry more gear. Select the shell type that matches your storage habits.

Where SportRack Fits Your Needs

SportRack covers a wide capacity spread, from the compact Sidekick at 8 cubic feet to the large Vista XL at 18 cubic feet. You can choose between rigid ABS shells for durability or a soft-shell option for easy storage when empty. Access points vary, with models offering rear, passenger-side, or dual-entry loading to suit different vehicle rack setups. However, this range lacks mid-size options between the smallest and largest rigid boxes. You also will not find integrated lighting or solar features in any listed model. If you need a specific intermediate capacity, you may need to look elsewhere.

Choosing the Right SportRack Cargo Box

  1. Check Opening Direction

    Your vehicle’s roof rack orientation determines which box works best. If you have rear-opening racks, the Vista XL SR7018 allows safe loading from the back, keeping you away from traffic. For drivers needing side access, the Horizon 2 L SR7030 or Skyline XL SR7096 open from the passenger side. This placement lets you load items while standing on the curb, improving safety and convenience. Match the opening style to your specific rack design to ensure smooth daily use.

  2. Match Capacity to Needs

    Select volume based on your typical load size. The Vista XL offers 18 cubic feet for long trips or bulky gear. The Sidekick SR7020 provides 8 cubic feet, ideal for small loads or tight parking spaces. Larger boxes increase wind resistance and fuel consumption. Choose the smallest volume that fits your regular cargo. This balance ensures you have enough space without compromising aerodynamics or making the box too large for your vehicle’s roof dimensions.

  3. Consider Shell Material

    Hard shells like ABS plastic offer durable protection against weather and impacts. The Vista XL and Sidekick use rigid materials for long-term reliability. Soft-shell options, like the Cargo Box + Go Packs, provide flexible storage that compacts easily when empty. This is useful if you need to store the carrier in a small garage. Choose rigid shells for maximum security and weather resistance, or soft shells for easy storage and flexibility when the box is not in use.

  4. Verify Rack Compatibility

    Ensure the box fits your crossbar spacing and type. The Vista XL is designed for compatible racks that allow rear access. The Skyline XL and Horizon 2 L require secure mounting on standard crossbars. Check the width and length against your vehicle’s roof. The Vista XL is 62.5 inches long and 39 inches wide. The Sidekick is smaller at 54 inches long. Proper fit prevents movement and damage. Always confirm your rack supports the box’s weight and dimensions before purchasing.

  5. Review Weight Limits

    Check the weight capacity to ensure safety. The Sidekick weighs 22.7 pounds, making it lighter and easier to handle. The Vista XL weighs 42 pounds, offering more robust construction. Heavier boxes may require stronger roof racks. Consider the combined weight of the box and your cargo. Exceeding limits can damage your vehicle or cause accidents. Choose a box that fits your rack’s max load. Lighter models are easier to install, while heavier ones often provide better durability and security features.

Frequently asked questions

Which SportRack cargo box is best for rear access loading?

The SportRack Vista XL SR7018 is the top choice for rear access. It measures 62.5 inches long and 39 inches wide, providing 18 cubic feet of space. This rear-opening design lets you load items safely away from traffic. It weighs 42 pounds and features robust ABS construction for durability.

What is the smallest SportRack roof box available?

The SportRack Sidekick SR7020 is the most compact option. It offers 8 cubic feet of storage with dimensions of 54 inches in length and 25 inches in width. Weighing just 22.7 pounds, it is ideal for small loads and tight parking situations where space is limited.

Does SportRack offer a soft shell cargo box?

Yes, the SportRack Cargo Box + Go Packs is a soft-shell option. It is designed for flexible storage and easy compactability. This model is black and suits buyers who need to save space when the box is empty. It prioritizes compactability over the rigid protection of hard-shell carriers.

Which SportRack box allows passenger side loading?

The SportRack Horizon 2 SR7030 and Skyline XL SR7096 both support passenger-side access. The Horizon 2 is a one-size model in new black. The Skyline XL measures 55 inches long and 41 inches wide. Both provide secure storage for drivers who prefer loading from the curb side.

How much does the SportRack Vista XL weigh?

The SportRack Vista XL SR7018 weighs 42 pounds. Its dimensions are 62.5 inches in length, 39 inches in width, and 19 inches in height. This weight supports its 18 cubic foot capacity. The sturdy build ensures it remains stable on your roof rack during travel.

What is the capacity of the SportRack Sidekick?

The SportRack Sidekick SR7020 provides 8 cubic feet of storage space. It is designed for drivers with small loads or those in tight parking situations. The compact size makes it easy to store when not in use. It is a practical choice for minimal cargo needs.

Which SportRack cargo box is best for tight parking?

The SportRack Sidekick SR7020 is best for tight parking. Its compact dimensions of 54 inches long and 25 inches wide allow for easier maneuvering. With 8 cubic feet of space, it handles small loads without adding excessive bulk. It is a practical option for urban drivers.

What material is the SportRack Vista XL made of?

The SportRack Vista XL SR7018 is made from robust ABS construction. This material provides durability and protection for your cargo. The black finish complements most vehicle colors. The rigid shell ensures secure storage while maintaining a low profile on your roof rack.

See also