Updated:19 October 2026
Rank 1-13 of the best Roof Boxes
Our recommendation Price Customer rating
1. Comparison winner
COSTWAY Car Roof Box, 400L
COSTWAY Car Roof Box, 400L
Available immediately
free shipping
  • storage capacity of 400 litres provides extra space for belongings
  • made from durable ABS and PC plastics for long-lasting use and a maximum load of 75 kilograms
  • waterproof and weatherproof construction protects belongings from rain and moisture
Our rating
9,9
very good
2. Best value
TANGZON 400L Car Roof Box
TANGZON 400L Car Roof Box
Available immediately
free shipping
  • 400 litres of storage for transporting items such as camping tents and luggage
  • made from high quality ABS and PC material for durability
  • waterproof design protects luggage from bad weather
Our rating
9,8
very good
COSTWAY Car Roof Bag 14 Cubic Feet
COSTWAY Car Roof Bag 14 Cubic Feet
Available immediately
free shipping
  • storage capacity of 400 litres with a foldable design that can be easily folded and stored when not in use
  • sturdy materials that provide durability and longevity to protect belongings during travel
  • water resistance keeps belongings dry and protected from rain, road grime and sun
Our rating
9,6
very good
4. Bestseller
Rymopuey 20 Cubic Roof Bag
Rymopuey 20 Cubic Roof Bag
Available immediately
free shipping
  • 20 cubic feet of storage space for luggage for 5–8 people
  • high-density PVC with a double waterproof coating for durable weather resistance
  • two-way waterproof zip with a Velcro flap to protect contents from rain, sand, snow and storms
Our rating
9,5
very good
TANGZON 400L Car Roof Box - Black
TANGZON 400L Car Roof Box - Black
Available immediately
free shipping
  • 400 L storage capacity provides extra space for luggage and camping gear without occupying interior space
  • Hard shell construction from durable ABS and PC provides strong everyday use
  • Waterproof exterior helps protect stored items from rain and changing weather during road trips
Our rating
9,5
very good
COSTWAY 400L Car Roof Box
COSTWAY 400L Car Roof Box
Available immediately
free shipping
  • 400 litres of storage space provides ample room to securely carry essentials
  • constructed from sturdy ABS and PC material ensuring protection against elements
  • waterproof design suitable for all weather conditions
Our rating
9,5
very good
Marretoo Roof Bag, 21 Cu Ft Waterproof Carrier
Marretoo Roof Bag, 21 Cu Ft Waterproof Carrier
Available again soon
free shipping
  • 21 cubic feet of storage space for luggage of 5-7 people
  • made from heavy-duty PVC fabric for strong durability
  • 100% waterproof with sealed zippers and reinforced seams
Our rating
9,5
very good
Rymopuey Waterproof Roof Bag 566L
Rymopuey Waterproof Roof Bag 566L
Available immediately
free shipping
  • 20 cubic feet of storage space for accommodating luggage of 5-8 people
  • high-density PVC with double waterproof coating to protect contents from wet conditions
  • fully resistant to harsh weather conditions like sand, rain, heavy snow, and storms
Our rating
9,5
very good
Sailnovo Car Roof Bag 21 Cu Ft Foldable Roof Box with 6 Reinforced Straps, 6 Door Hooks, Anti-slip Mat
Sailnovo Car Roof Bag 21 Cu Ft Foldable Roof Box with 6 Reinforced Straps, 6 Door Hooks, Anti-slip Mat
Available immediately
free shipping
  • 21 cubic feet of storage space to carry luggage for around 6-8 people freeing up interior space in the vehicle
  • made from durable Oxford fabric with a triple-layer 1000D PVC waterproof lining for lasting protection against wear and weather
  • waterproof and tear-resistant design to keep belongings dry and protected during travel
Our rating
9,4
good
Fischer Roof Box 126000, 270L
Fischer Roof Box 126000, 270L
Available immediately
free shipping
  • loading capacity of 50 kilograms, with a maximum payload of 44 kilograms
  • compatible with luggage racks up to 80 mm wide and 32 mm high
Our rating
9,4
good
Ohuhu 21 cu ft Roof Bag, Waterproof with Anti-Slip Mat, 840D Fabric, Combination Lock
Ohuhu 21 cu ft Roof Bag, Waterproof with Anti-Slip Mat, 840D Fabric, Combination Lock
Available immediately
free shipping
  • Capacity of 21 cubic feet (595 litres), easily holding 4–6 standard suitcases, plus tents, sleeping bags and camping gear
  • Made from 840D wear-resistant PVC for durability and weather resistance, with reinforced stitching and robust fastenings
  • Fully waterproof and designed to withstand rain, snow, sand and wind, with high-quality zippers, a double-layer waterproof flap and reinforced stitching to help keep moisture out
Our rating
9,0
good
50+ purchases last month
HOMFME 15 cu ft Roof Cargo Bag (424 L) for SUV, 840D PVC Waterproof with Non-slip Mat, 6 Door Hooks, Straps & Combination Lock
HOMFME 15 cu ft Roof Cargo Bag (424 L) for SUV, 840D PVC Waterproof with Non-slip Mat, 6 Door Hooks, Straps & Combination Lock
Available immediately
free shipping
  • Luggage capacity: 424 to 600 litres of storage space, enough for about three medium suitcases on a road trip
  • Material quality: durable triple-layer PVC that is tear-resistant and waterproof; features a widened rain curtain and a water-resistant zipper with lock holes to protect luggage from rain, snow and sand
  • Waterproofing: designed to shield contents from wet weather, with a rain curtain and water-resistant zipper to keep luggage dry in rain or snow
Our rating
8,9
good
FE Active Cargo Rooftop Dry Bag 15 cu ft Waterproof for Car and SUV with Straps — Designed in California
FE Active Cargo Rooftop Dry Bag 15 cu ft Waterproof for Car and SUV with Straps — Designed in California
Available immediately
free shipping
  • load capacity around 424 litres of cargo space
  • material quality: 500D PVC tarpaulin is a heavy-duty waterproof fabric with anti-mildew, anti-cold and anti-ageing properties
  • waterproofing: fully waterproof to keep luggage safe and dry, with a waterproof zipper and top flap secured by Velcro to prevent water entry
Our rating
8,9
good

Similar Roof Box comparisons

Roof Boxes buying guide: How to choose the right product from the above Roof Boxes test or comparison

Understanding Roof Boxes: What They Are and How They Work

What is a Roof Box?

A roof box is a storage solution designed to enhance your vehicle’s capacity for carrying extra gear. Imagine going on a family camping trip and having to squeeze all your tents, sleeping bags, and cooking supplies inside your car. A roof box solves that problem by providing additional storage, mounted securely on the roof of your vehicle. This way, you can keep your interior space comfortable and clutter-free while still bringing everything you need for your adventure.

How Do Roof Boxes Function?

Roof boxes operate by securely attaching to your car’s roof bars or rails, creating an aerodynamic shape that allows them to glide through the air with less wind resistance. They come in various designs, typically featuring a locking mechanism to keep your belongings safe and secure while driving. The user-friendly opening mechanisms, often situated on both sides, ensure that accessing your gear is straightforward, even in tight parking spaces.

Choosing the Right Roof Box Size for Your Needs

Understanding Size Options

When selecting a roof box, size is crucial. If you regularly transport large items, like skis or camping gear, a wider and longer box may be appropriate. However, for occasional use, consider a more compact option that can still handle your typical luggage. Think of it like choosing between a small backpack for daily use and a larger suitcase for a holiday; the right size depends on your specific needs.

Capacity Considerations

Most roof boxes will list their volume in litres. This measurement can guide you in comparing different models. For example, a 400-litre roof box can usually fit around 6-8 suitcases. If you camp as a family or tend to carry bulky items, opt for a model that offers a bit more space; it can make all the difference in comfortably fitting everything you’ll need on your trip.

Features to Look for in a Roof Box: Security, Aerodynamics, and Ease of Use

Security Features

Safety is a priority, so look for roof boxes with robust locking systems. This will ensure your luggage remains protected when the vehicle is unattended. Models with double locks provide even more reassurance, making it more difficult for thieves to access your belongings.

Aerodynamic Design

Aerodynamics matter, especially if you value fuel efficiency. A well-designed roof box can reduce drag and improve fuel consumption during your journeys. We recommend choosing a box that has a sleek shape; it not only enhances vehicular performance but also adds style to your car.

Ease of Use

Lastly, consider how easy it is to mount and unmount the box. Some roof boxes are equipped with user-friendly clamping systems or are lighter in weight, making it easier for one person to manage. Choosing a model that simplifies these tasks means fewer headaches during packing and unpacking.

Installation Made Simple: How to Mount Your Roof Box Safely

Step-by-Step Installation

To mount your roof box securely, start by checking your vehicle’s roof load capacity to avoid excess weight. Begin placing the box onto your vehicle’s roof bars, ensuring it is centrally located to balance the load. Most roof boxes will come with fitting kits that include necessary tools for securing the box in place, such as brackets or clamps. Tighten them following the provided instructions, often ensuring not to over-tighten which can damage the box or the vehicle.

Checking Your Installation

Once installed, make sure the roof box is stable by shaking it gently to check for any movement. Taking a short drive to test for any rattling noises can also ensure that everything is properly secured. These simple checks can prevent any issues during your journey.

Maximising Space: Tips for Efficient Packing and Usage

Packing Techniques

When packing a roof box, strategic layering is key. Start by placing heavier items at the bottom, providing a sturdy base. Use soft items such as sleeping bags or clothing as fillers to minimise movement during transport. Think of it as building a stable tower; the foundation is crucial for supporting the structure above.

Usage Tips

Ensure that you distribute weight evenly across the roof box to maintain vehicle stability. When loading your box, keep it less than fully packed to allow for expansion during travel. On arrival at your destination, unload the box efficiently by keeping often-used items on top, creating easy access.

Table of contents
  1. Understanding Roof Boxes: What They Are and How They Work
  2. Choosing the Right Roof Box Size for Your Needs
  3. Features to Look for in a Roof Box: Security, Aerodynamics, and Ease of Use
  4. Installation Made Simple: How to Mount Your Roof Box Safely
  5. Maximising Space: Tips for Efficient Packing and Usage

Overview

1. Comparison winner
COSTWAY Car Roof Box, 400L
Our rating
9,9
very good
COSTWAY Car Roof Box, 400LAvailable immediately
2. Best value
TANGZON 400L Car Roof Box
Our rating
9,8
very good
TANGZON 400L Car Roof BoxAvailable immediately
COSTWAY Car Roof Bag 14 Cubic Feet
Our rating
9,6
very good
COSTWAY Car Roof Bag 14 Cubic FeetAvailable immediately
4. Bestseller
Rymopuey 20 Cubic Roof Bag
Our rating
9,5
very good
Rymopuey 20 Cubic Roof BagAvailable immediately
TANGZON 400L Car Roof Box - Black
Our rating
9,5
very good
TANGZON 400L Car Roof Box - BlackAvailable immediately
COSTWAY 400L Car Roof Box
Our rating
9,5
very good
COSTWAY 400L Car Roof BoxAvailable immediately
Marretoo Roof Bag, 21 Cu Ft Waterproof Carrier
Our rating
9,5
very good
Marretoo Roof Bag, 21 Cu Ft Waterproof CarrierAvailable again soon
Rymopuey Waterproof Roof Bag 566L
Our rating
9,5
very good
Rymopuey Waterproof Roof Bag 566LAvailable immediately
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
Method-driven
In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
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