Looking Beyond the OMAC 11.3 Cu Ft Dual-Side? 6 Alternatives Worth a Look
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You might be searching for omac 11 3 cu ft dual side alternatives if you want similar convenience but different specs. The original OMAC unit offers dual-side access and a waterproof, pre-assembled design in a compact 11.3 cubic foot shell. It is a solid choice for drivers who prioritize weather resistance and easy installation over maximum volume. However, you may need more storage space, a higher weight limit, or a different shell material. Some drivers prefer a wider box for bulky gear, while others need a lighter unit for smaller crossbars. The alternatives listed here were chosen because their specifications overlap with the original. They all feature dual-side opening mechanisms and roof mount compatibility. You will find options with larger capacities, such as 13 to 16 cubic feet, and varying load capacities from 110 to 165 pounds. These picks cover a range of sizes and materials, including ABS and hard shell constructions. This guide helps you compare the key data points to find the best fit for your vehicle and cargo needs.
Our top pick: OMAC 11.3 Cu Ft Dual-Side Roof Box.
How each alternative compares
DNA Motoring 13 cu ft Hard Shell Roof Box
The DNA Motoring 13 cu ft model offers more volume and a higher load capacity than the OMAC. It measures 56.3 inches long and 16.3 inches high, making it taller and wider. You gain 1.7 cubic feet of space and can carry 110 pounds. The OMAC is lighter at 35.8 pounds and fits tighter spaces. DNA Motoring uses a hard shell with tool-free setup. If you need extra room for gear and do not mind a larger footprint, this is a practical upgrade. It suits drivers who prioritize capacity over compact storage.
VISRACK 13 cu ft Hard Shell Roof Box
The VISRACK 13 cu ft box provides a higher load limit of 130 pounds compared to the OMAC. It is also significantly lighter at 27.8 pounds. The shell is made of durable ABS material. Dimensions are 55.9 inches long and 15 inches high. It is slightly narrower at 29.5 inches wide. You get dual-side access and tool-free installation. This option is better if you carry heavier loads or want a lighter unit. It fits standard crossbars well. The OMAC is waterproof and pre-assembled. VISRACK is ideal for travelers who value weight savings and strength.
Goplus 14 cu ft Dual-Side Opening Roof Box
The Goplus 14 cu ft roof box has the highest load capacity at 165 pounds. It offers 2.7 cubic feet more volume than the OMAC. The unit is 63 inches long and 15 inches high. It weighs only 25 pounds, making it the lightest option here. You get dual-side opening for easy access. The OMAC is more compact at 52 inches long. Goplus is better for heavy loads or long trips. It is suitable for drivers who need maximum strength and space. The lower weight makes it easier to handle. Choose this if capacity and strength are your main priorities.
Ausum Motor 14 cu ft Dual-Side Box
The Ausum Motor 14 cu ft box is designed for narrow racks between 24 and 29 inches. It offers 14 cubic feet of storage. The load capacity is 110 pounds. It weighs 45 pounds, which is heavier than the OMAC. The shell is hard and glossy. You get dual-side access without special tools. The OMAC is narrower and fits most vehicles. Ausum is better for cars with tight crossbar spacing. It provides more volume than the OMAC. This is a good choice if your rack is narrow but you need extra space. It suits drivers who value wide access on compact vehicles.
Runave 15.5 cu ft Dual-Side Roof Box
The Runave 15.5 cu ft roof box offers the largest volume on this list. It holds 4.2 cubic feet more than the OMAC. The load capacity is 150 pounds. It measures 58.3 inches long and 13 inches high. The unit is white. You get dual-side access for convenience. The OMAC is smaller and waterproof. Runave is better for hauling large items or heavy loads. It is suitable for drivers who need maximum capacity. The wider design may not fit all vehicles. Choose this if you prioritize space and strength over compact size. It is ideal for family trips with lots of gear.
Pidock 16 cu ft Hard Shell Roof Box
The Pidock 16 cu ft hard shell provides the most storage space at 16 cubic feet. It is 58.3 inches long and 13 inches high. The unit is white and weighs 130 pounds. You get dual-side access for easy loading. The OMAC is much lighter and more compact. Pidock is better for families needing maximum room. It is durable and easy to use. The weight is a factor for some drivers. This option suits those who prioritize volume and convenience. It is ideal for hauling bulky gear. Choose Pidock if you have the roof space and need extra capacity for long journeys.
Quick picks
Our 7 picks
OMAC 11.3 Cu Ft Dual-Side Roof Box
Best for: Dual-side access and waterproof protection
- Capacity
- 11.3 cu ft
- Shell Type
- PS UV Protected
- Opening
- dual-side
- Water Resistance
- waterproof
- Installation
- pre-assembled
- Vehicle Compatibility
- all vehicles
View on Amazon: OMAC 11.3 Cu Ft Dual-Side Roof Box Affiliate link
The OMAC 11.3 Cu Ft Roof Box offers 320 liters of storage in a 52 x 32 x 12 inch shell. It weighs 35.8 pounds and features a dual-side opening mechanism for convenient access. The unit is pre-assembled and made from UV-protected PS material. This waterproof carrier suits drivers who need reliable gear protection and easy loading from either side of their vehicle.
Pros
- Dual-side opening for flexible access
- Pre-assembled for quick installation
- Waterproof and UV-protected PS shell
- 320 liters of cargo space
Cons
- 11.3 cubic feet capacity is smaller than many alternatives
- Heavier at 35.8 pounds than some competitors
- Limited height options with only 12 and 11 inch variants
Good fit if
- You need easy access from both sides of the car
- You want a pre-assembled unit to save time
- You prioritize waterproof protection for your gear
Skip if
- You require maximum storage capacity over 14 cubic feet
- You prefer a lighter carrier under 30 pounds
- You need a taller profile for bulky items
Verdict: OMAC 11.3 Cu Ft Dual-Side Roof Box is a solid choice for drivers who value dual-side access and waterproof protection in a compact, pre-assembled unit. It fits those who prioritize convenience and weather resistance over maximum volume.
DNA Motoring 13 cu ft Hard Shell Roof Box
Best for: Drivers needing side access and tool-free setup
- Capacity
- 13 Cubic Feet
- Shell Type
- Hard Shell, ABS
- Opening
- Double side
- Load Capacity
- 110 lbs
- Water Resistance
- Weatherproof
- Security
- Security locking system with keys
View on Amazon: DNA Motoring 13 cu ft Hard Shell Roof Box Affiliate link
This DNA Motoring carrier offers 13 cubic feet of hard-shell storage with a 110 lb load limit. It features double-side opening for easy access and weatherproof ABS construction. The unit fits vehicles with crossbars and requires no tools for assembly. It suits drivers needing extra space without sacrificing passenger comfort, provided your roof rack supports the weight.
Pros
- 13 cubic feet internal storage capacity
- Double-side opening mechanism for access
- No tool assembly required
- Weatherproof ABS hard shell construction
- Security locking system with keys
Cons
- 110 lb load capacity is lower than larger competitors
- 16.25 inch height may not fit low garage doors
- Requires cross bars for installation
Good fit if
- You need easy side access for loading bulky items
- You want a tool-free installation process
- You have a roof rack with cross bars
Skip if
- You need to carry more than 110 lbs
- Your vehicle only has side rails without cross bars
- You require a capacity larger than 13 cubic feet
Verdict: DNA Motoring 13 Cu Ft Double-Side Roof Box provides reliable double-side access and tool-free setup for moderate loads, making it a solid option for drivers prioritizing convenience over maximum weight capacity.
VISRACK 13 cu ft Hard Shell Roof Box
Best for: Dual-side access and 130 lb loads
- Capacity
- 13 cu ft
- Shell Type
- Hard shell (ABS, PMMA)
- Opening
- Dual-side
- Load Capacity
- 130 lb
- Water Resistance
- Waterproof
- Security
- Double secure lock
View on Amazon: VISRACK 13 cu ft Hard Shell Roof Box Affiliate link
The VISRACK 13 Cu Ft roof box offers 13 cubic feet of storage in a hard shell made from ABS and PMMA. It features dual-side opening for easy access and tool-free assembly. The unit supports a 130 lb load capacity and fits round, square, or aerodynamic crossbars. Its dimensions are 55.9 x 29.5 x 15 inches. This carrier suits travelers needing secure, weather-resistant storage without complex installation.
Pros
- 13 cubic feet of cargo space
- Dual-side opening for flexible access
- Tool-free assembly for quick setup
- 130 lb load capacity for heavy gear
- Double secure lock with two keys
Cons
- Heavier build at 27.8 pounds
- Lower load capacity than 16 cu ft competitors
- No mention of integrated mounting hardware
Good fit if
- You need easy access from both sides of the vehicle
- You want a hard shell that fits various bar shapes
- You prefer assembly without additional tools
Skip if
- You require a load capacity over 130 lbs
- You need a lighter unit under 25 pounds
- You prefer a smaller 11.3 cu ft footprint
Verdict: VISRACK 13 Cu Ft Dual-Side Roof Box fits drivers who prioritize side access and a 130 lb capacity. It suits those using standard crossbars who want a durable ABS shell without tool-based installation.
Goplus 14 cu ft Dual-Side Opening Roof Box
Best for: heavy loads and curb-side access
- Capacity
- 14 Cubic Feet
- Shell Type
- ABS and PC
- Opening
- Dual-side
- Load Capacity
- 165 lbs
- Water Resistance
- Waterproof
- Security
- double-lock design, super latch security
View on Amazon: Goplus 14 cu ft Dual-Side Opening Roof Box Affiliate link
The Goplus 14 cubic foot roof cargo box offers a dual-side opening design for convenient access from either side of your vehicle. It features a hard shell made from ABS and PC materials, providing waterproof protection for your gear. With a load capacity of 165 lbs, it securely holds heavy items. The unit includes double-lock security and quick-connect anchors for straightforward installation on most roof racks.
Pros
- 14 cubic feet of storage capacity
- Dual-side opening for easy access
- 165 lb load capacity
- Waterproof ABS and PC hard shell
- Double-lock security system
Cons
- 25 lb weight adds to vehicle roof load
- No mention of aerodynamic noise reduction features
- Limited to vehicles with existing roof racks
Good fit if
- You need easy access to gear from the curb side
- You require a high load capacity for heavy items
- You want a waterproof hard shell for weather protection
Skip if
- You need a roof box with integrated aerodynamic noise reduction
- You do not have a roof rack installed on your vehicle
- You require a lightweight option under 20 lbs
Verdict: Goplus 14 Cu Ft Dual-Side Rooftop Box is a sturdy option for drivers who prioritize high load capacity and convenient dual-side access for their roof storage needs.
Ausum Motor 14 cu ft Dual-Side Box
Best for: Dual-side access on narrow racks
- Capacity
- 14 cubic feet
- Shell Type
- Hard shell
- Opening
- Dual side
- Load Capacity
- 110 lbs
- Water Resistance
- Weather-tight seal
- Installation
- No special tools required
View on Amazon: Ausum Motor 14 cu ft Dual-Side Box Affiliate link
This Ausum Motor cargo box offers 14 cubic feet of hard shell storage with a glossy black finish. It weighs 45 pounds and supports up to 110 pounds of load. The dual-side opening allows access from either side. A weather-tight seal protects your gear. It fits vehicles with an inter-crossbar distance between 24.0 and 29.1 inches. Installation requires no special tools.
Pros
- 14 cubic feet capacity
- Dual-side opening access
- 110 lb load capacity
- Weather-tight seal
- No special tools needed
Cons
- 45 pounds weight
- Narrow fitment range
- No remote mentioned
Good fit if
- You need side access
- You have 24-29 inch crossbars
- You want 14 cubic feet
Skip if
- You have wider crossbars
- You need remote access
- You want lighter weight
Verdict: Ausum Motor 14 Cu Ft Dual-Side Cargo Box fits drivers with 24 to 29 inch crossbars who want side access. It provides 14 cubic feet of storage without special tools.
Runave 15.5 cu ft Dual-Side Roof Box
Best for: High weight capacity and dual-side access
- Capacity
- 15.5 Cubic Feet
- Shell Type
- ABS and PMMA
- Opening
- dual-sided
- Load Capacity
- 150 lbs
- Water Resistance
- waterproof
- Security
- 2 keys and 2 straps
View on Amazon: Runave 15.5 cu ft Dual-Side Roof Box Affiliate link
The Runave cargo box offers 15.5 cubic feet of storage with a 150 lb load capacity. Its dual-side opening design allows access from either side of the vehicle. Constructed from ABS and PMMA, it is waterproof and UV-resistant. The unit measures 58.3 by 35.4 by 13 inches and fits crossbars under 3 inches wide. It includes two keys and straps for security.
Pros
- 150 lb maximum load capacity
- Dual-side opening for easy access
- 15.5 cubic feet of storage space
- Waterproof ABS and PMMA shell
Cons
- Requires existing roof rack for installation
- No mention of aerodynamic noise reduction specs
- Limited to crossbars under 3 inches wide
Good fit if
- You need high weight capacity for heavy gear
- You want access from both sides of the car
- You already have a compatible roof rack system
Skip if
- You do not have a roof rack installed
- Your crossbars are wider than 3 inches
- You need a capacity over 150 lbs
Verdict: Runave 15.5 Cu Ft Dual-Side Roof Box provides strong load support and convenient side access for drivers with existing racks. It suits those prioritizing weight capacity and dual-sided utility over aerodynamic refinements.
Pidock 16 cu ft Hard Shell Roof Box
Best for: Dual-side access and durable hard shell storage
- Capacity
- 15.5 cu ft
- Shell Type
- ABS and PMMA plastic
- Opening
- Dual-side
- Load Capacity
- 130 lb
- Water Resistance
- Water resistant
- Installation
- Tool-free
View on Amazon: Pidock 16 cu ft Hard Shell Roof Box Affiliate link
The Pidock 16 Cu Ft roof box offers 15.5 cubic feet of storage and supports up to 130 lbs. Its dual-side opening design allows access from either side of your vehicle. The hard shell is made of ABS and PMMA plastic. It measures 58.3 x 35.4 x 13 inches. This tool-free installation fits most crossbars. It suits travelers needing wide access and durable, water-resistant storage for bulky gear.
Pros
- 15.5 cubic feet capacity with 130 lb load limit
- Dual-side opening for access from either vehicle side
- Tool-free quick installation on round, square, or aero bars
- Hard shell construction of ABS and PMMA plastic
Cons
- Water resistant rather than fully waterproof
- 130 lb load capacity is lower than some competitors
- Dimensions may not fit all garage spaces
Good fit if
- You need wide access to cargo from both sides of your car
- You carry bulky items like sports equipment or camping gear
- You prefer tool-free mounting on existing roof racks
Skip if
- You require fully waterproof protection for sensitive electronics
- You need a load capacity exceeding 130 lbs
- Your vehicle has a very low garage clearance under 13 inches
Verdict: Pidock 16 Cu Ft Dual-Side Roof Box fits drivers who prioritize wide access and durable construction over maximum weight capacity. It is ideal for families hauling bulky gear who want easy loading from either side of their vehicle.
Specifications side by side
| Spec | OMAC 11.3 Cu Ft Dual-Side Roof Box | DNA Motoring 13 cu ft Hard Shell Roof Box | VISRACK 13 cu ft Hard Shell Roof Box | Goplus 14 cu ft Dual-Side Opening Roof Box | Ausum Motor 14 cu ft Dual-Side Box | Runave 15.5 cu ft Dual-Side Roof Box | Pidock 16 cu ft Hard Shell Roof Box |
|---|---|---|---|---|---|---|---|
| Capacity | 11.3 cu ft | 13 Cubic Feet | 13 cu ft | 14 Cubic Feet | 14 cubic feet | 15.5 Cubic Feet | 15.5 cu ft |
| Shell Type | PS UV Protected | Hard Shell, ABS | Hard shell (ABS, PMMA) | ABS and PC | Hard shell | ABS and PMMA | ABS and PMMA plastic |
| Opening | dual-side | Double side | Dual-side | Dual-side | Dual side | dual-sided | Dual-side |
| Load Capacity | not stated | 110 lbs | 130 lb | 165 lbs | 110 lbs | 150 lbs | 130 lb |
| Water Resistance | waterproof | Weatherproof | Waterproof | Waterproof | Weather-tight seal | waterproof | Water resistant |
| Security | not stated | Security locking system with keys | Double secure lock | double-lock design, super latch security | not stated | 2 keys and 2 straps | not stated |
| Installation | pre-assembled | No tool assembly | Tool-free | 4 quick connect anchors | No special tools required | no additional tools required | Tool-free |
| Vehicle Compatibility | all vehicles | Fits vehicles with cross bars only | Round, square, aerodynamic bars | not stated | Inter-crossbar distance 24.0-29.1 in | not stated | not stated |
| Dimensions | 52 x 32 x 12 in | 56.3" L x 36.8" W x 16.25" H | 55.9 x 29.5 x 15 in | 63 x 31 x 15 in | not stated | 58.3 x 35.4 x 13 in | 58.3 x 35.4 x 13 in |
| Recommended Use | not stated | not stated | Travel luggage | not stated | not stated | not stated | not stated |
| Vehicle Type | Car | Car | Car | Car | Car | Car | Car |
| Size | 320 L | 13 cu. ft.-16.25" H | 13Cubic | not stated | 14 Cubic Feet | 15.5 Cubic Feet | 16 Cu.Ft White |
| Mount Type | Roof Mount | Roof Mount | Roof Mount | Roof Mount | Roof Mount | Roof Mount | Roof Mount |
| Lockable | not stated | Lockable | not stated | not stated | not stated | not stated | not stated |
| Weight | 35.8 pounds | not stated | 27.8 pounds | 25 pounds | 45 pounds | not stated | 130 pounds |
| Color | Black | Textured Black | Black | Black | Glossy Black | WHITE | White |
| Model | AMZUS96ART320 | PT-ZTL-8188 | B-56 | not stated | Glossy Black | WHITE | Car Rooftop Cargo Box |
Frequently asked questions
Which roof box has the highest load capacity?
The Goplus 14 cu ft model supports up to 165 pounds. This is the highest weight limit among the listed options. It also features dual-side opening for easy access. The shell measures 63 inches long and 31 inches wide. This makes it suitable for heavier gear compared to the 110-pound limit of the DNA Motoring and Ausum Motor boxes.
What is the largest capacity option available?
The Pidock 16 cu ft box offers the most storage space. It provides 16 cubic feet of volume. The dimensions are 58.3 inches long and 35.4 inches wide. It features a hard shell with dual-side access. This option is ideal if you need maximum room for bulky items like camping gear or luggage.
Which model is the lightest to carry?
The Goplus 14 cu ft box weighs only 25 pounds. This is the lowest weight among the products with listed data. The VISRACK 13 cu ft model is next at 27.8 pounds. The OMAC weighs 35.8 pounds. Lighter boxes are easier to lift onto your roof rack during installation.
Do these boxes open from both sides?
Most options in this list feature dual-side access. The DNA Motoring, VISRACK, Goplus, Ausum Motor, Runave, and Pidock models all open from both sides. This design allows you to access cargo from the curb side of your vehicle. The OMAC 11.3 cu ft model also offers this convenient dual-side opening feature.
Which box is best for narrow crossbars?
The Ausum Motor 14 cu ft box is designed for racks with 24 to 29 inch crossbars. Its width is not explicitly listed in the specs, but the fitment note highlights this compatibility. The VISRACK 13 cu ft model is 29.5 inches wide. These narrower profiles fit better on compact roof racks than wider options like the DNA Motoring.
Is there a white color option?
Yes, the Runave 15.5 cu ft and Pidock 16 cu ft models come in white. The Runave is white with a 150-pound load capacity. The Pidock is also white but weighs significantly more at 130 pounds. All other listed boxes, including the OMAC and Goplus, are available in black or textured black.
Which box is the longest?
The Goplus 14 cu ft box is the longest at 63 inches. It is followed by the DNA Motoring at 56.3 inches. The Runave and Pidock models are both 58.3 inches long. The OMAC is the shortest at 52 inches. Longer boxes offer more length for large items like skis or kayaks.