Have you ever been planning for a trip, only to find that you’ve run out of space inside your car? If so, then a mounted car roof box is the best solution to avoid any inconvenience.

Once luggage, toys, and pushchairs are loaded into your car, you might realize that you do not have enough space left for your kids. There are several designs and models available in the market today. However, we’ve listed some of the best car roof boxes available online today in Australia. Read on to find one that suits your needs and preferences!

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  • Can be easily mounted to a car with no racks
  • Waterproof protection
  • Low weight
  • Low price
  • 100% waterproof
  • Easy to install
  • Large storage space
  • Safe design
  • Thoughtful design
  • Simple installation
  • Improved durability
  • 100% waterproof

10 Best Car Roof Box 2023 

1. RoofBag Rooftop Cargo Carrier

A car roof box mounted on top of a vehicle, providing extra storage space for luggage and other items during a tripCheck Price

First on our list of the best roof boxes is the RoofBag Rooftop Cargo Carrier. Chief among the pros of this car roof box is the price, with this model being more affordable regardless of the size you choose to buy.

This specific car seat cushion model is manufactured in the United States, using high-grade materials. The heavy-duty canvas is relatively thick and double coated with an abrasion vinyl that provides complete waterproof protection.

It’s well secured with straps rated to be about 3,000lbs strong, so you can rest assured that it’s up to the task of securing suitcases of underpants and T-shirts to the roof. The car roof box easily mounts to many racking systems and is very sturdy, some of the models of the design can also be mounted on cars that do not even have racks.

Key Features

  • Can be easily mounted to a car with no racks
  • Waterproof protection
  • Low weight
  • Low price

2. Thule 868 Outbound Cargo Bag

Thule 868 Outbound Cargo BagCheck Price

Thule is by far one of the most reputed manufacturers of carrier boxes in the market today. The Thule 869 Outbound Cargo Bag is one of the best car roof boxes you can buy today and that’s why it has made it to the top of our list.

Thule 869 Outbound Cargo Bag is a high-end item from Thule and so while it comes with many important features, it also has a great price tag that increases with the box size. However, this is average for a high-end item in this category, so you can rest assured that you’re getting real value for your hard-earned money.

If you want to get real value for your money then you should invest in this car roof box. When it comes to the size, you’ll get anything between 13 to 21 cubic feet for more storage space that’s very useful. The box comes with tapers to the point and employs a high-end diamond textured aero skin for helping it slice through the air and also protect car fuel economy.

Overall, the quick-grip mounting system is user-friendly and tool-free, and with some practice, you can get the box mounted and dismounted in less than 5 minutes. The secure lock helps protect the luggage.

Key Features

  • Inbuilt secure lock
  • Tool-free mounting system
  • Aerodynamic shape

3. FIVKLEMNZ Car Roof Bag Cargo Carrier

FIVKLEMNZ Car Roof Bag Cargo Carrier

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With 8 reinforced adjustable straps, the FIVKLEMNZ Car Roof Bag Cargo Carrier is one of the most secure cargo boxes you can buy for your car. It’s also fitted with an anti-slip mat for keeping the cargo bag in place even on a bumpy road or speed road. It doesn’t leave any scratch on your car.

Mount this great cargo box on your car roof and have 39.4 x 30.2 x 15.19 cm of extra storage space. It comes with 2-piece construction for making the installation much easier. The basket has a coated finish for preventing scratches and tear from these elements. It also comes with mounting hardware.

The good news is that this basket is universal. You can mount the cargo box on it in most OEM roof cracks including round and square rails. The mounting bracket is adjustable. It also comes with an air deflector for the front for making it more aerodynamic.

Keep in mind that this rack can also rust. The outer coat of the luck can also scratch, exposing the metal. The pre-drilled holes do not line up, making for a more challenging installation.

Key Features

  • 100% waterproof
  • Easy to install
  • Large storage space
  • Safe design

4. CURT 18220 Roof Rack Cargo Bag

CURT 18220 Roof Rack Cargo BagCheck Price

The CURT 18220 Roof Rack Cargo Bag significantly reduces the amount of time and money you spend on getting sufficient storage space on the roof of your vehicle. Unlike composite baskets and boxes and metal, a cargo bag is more versatile in use and positioning. This great box isn’t an exception.

Despite utilizing the soft surface design, the CURT 18220 Roof Rack Cargo Bag is extremely tough with regard to outside impacts and weather. The vinyl fabric does a great job of repelling water and protecting the inside content from debris and wind. Also, the straps are heavy-duty but easy for placing around the car’s roof.

A small downside to this carrier box includes a zipper design that’s difficult to open smoothly. Also, the vinyl surface makes it hard to expand the storage compartment.

Key Features

  • Waterproof
  • The car is protected from wind damage, dirt, and water.
  • A zipper closure with hooks and loops that keeps the insides 100% dry
  • Made from UV-resistant vinyl

5. Mockins Waterproof Cargo Roof Bag

Mockins Waterproof Cargo Roof BagCheck Price

This great car roof box is created of abrasion-resistant vinyl. The 38.61 x 29.11 x 16.99 cm measurements give you about 15 cubic feet of storage capacity. The good news is that the bag is 100% waterproof. Also, there is a 2” flap, which covers the zip to create extra protection.

The best thing about this cargo box is that it comes with four 1.5-foot straps. This allows you to secure the bag in the rails or roof rack.

Unfortunately, the material used to make the bag can start to shred at higher travel speeds. Although the bag can be easily secured with the retched straps in the car, the included straps are not long enough. You will need to either have rails or a rack for short straps in order to secure it or even buy long straps. Also, the bag seems to leak under heavy rain.

Key Features

  • Simple to install and easy to use
  • Made from abrasion-resistant vinyl
  • Waterproof car roof bag
  • Weather protection for extreme conditions

6. RoofPax Expandable Rooftop Cargo Bag

RoofPax Expandable Rooftop Cargo Bag

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With the RoofPax Expandable Rooftop Cargo Bag, you can choose from the 19- or 15- cubic foot carrier. The bags are made of high-quality 1680D PVC material in order to make the bag both durable and waterproof. The bag comes with a double waterproof ABS zipper and dual seam craft. It comes with a double flap that covers a zipper and features 8 Velcro straps for holding it firmly in place. The bag is treated with a great waterproof coating. The bag also comes with a TSA-certified combination lock.

This bag stands out from its rivals mainly because of the extra hooks that it comes with for good installation. These hook to the vehicle’s body underneath the seal of the door. This is the most secure and safest way to strap down the bag if you do not have rails. Another great feature is the 10 Velcro strips located across the bag for preventing strap flapping.

The drawback of this car roof bag is that the strips are not as durable as the rest of the carrier bag. They can break when driving, which might make the bag come off. Again, the door hooks aren’t compatible with all types of cars.

7. Waterproof Car Roof Top Cargo Carrier Bag

Waterproof Car Roof Top Cargo Carrier Bag

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The Waterproof Car Roof Top Cargo Bag is a high-quality 100% waterproof bag made with triple-layer tarpaulin material, zipper flaps, and welded seams. The bag can be loaded with up to 99 pounds of content. Measuring 38.1 x 26.67 x 15.87 cm, the bag can provide about 15 cubic feet of space. The material used to make this bag is a double-wall construction with an inside layer of mesh cloth. The external PVC layer resists the harsh weather and even protects it against dirt and grit. The high-density inner layer gives the material extra durability and strength.

You’ll be glad to find how easy it is to install this bag with the included heavy-duty buckles and 8 reinforced straps. The good news is that it easily folds down to the size of a tablet when not being used.

The drawback of this bag is that the strips are not very durable and could break easily when in use. The bag can also develop holes.

Key Features

  • Thoughtful design
  • Simple installation
  • Improved durability
  • 100% waterproof

8. Taygeer Rooftop Cargo Carrier

Taygeer Rooftop Cargo CarrierCheck Price

Made from heat-welded seams and heavy-duty materials, the Taygeer Rooftop Cargo Carrier is 100% waterproof and keeps the contents of your luggage dry. The car roof box comes with a protective mat and can hold between 4 and 6 suitcases, sleeping bags, tents, travel luggage cases, and more, making it ideal for all your outdoor adventures and road trips.

The cargo carrier comes features strong buckles and 10 adjustable straps to guarantee stability, and allow the trip to be much safer with nothing to worry about. The high density wear-resistant 500D PVC that’s lighter and softer than the 700D PVC.

The Taygeer Rooftop Cargo Carrier can fit any car with no-rack/crossbars/side rails. It also comes with six door hooks perfect for any SUV, MPV, or sedan, regardless of whether you’re in a sports field, the beach, park, or any other place you need to store your luggage, the rooftop box is a great option.

Key Features

  • Fits any vehicle
  • Waterproof
  • Durable and safe construction
  • Large storage space

9. SHIELD JACKET Car Roof Bag Cargo Carrier

SHIELD JACKET Car Roof Bag Cargo CarrierCheck Price

Planning a road trip or getting ready for off-roading? If so, the Shield Jackpot Car roof bag is exactly what you need. As one of the best car roof box carriers featured on this list, it’s suitable for SUVs, vans, or cars with a roof rack system. The bag offers about 15 cubic feet of great and secure storage space.

With regards to security, the manufacturer used 8 reinforced straps to ensure the cargo carrier remains in place. Moreover, fitted with an anti-slip mat, you have nothing to worry about because the roof box will remain in place even on a bumpy road or high speed with no scratch on your vehicle.

The Shield Jackpot Car roof bag is easy to use and you can attach it to your car in few minutes. Measuring 43”x34”x17,” the box comfortably fits both oversized and odd-shaped objects. When not being used, the soft-sided compact design usually allows folding and storage anywhere.

Regardless of the car you own, you can use the Shield Jackpot Car roof bag because its fits any car, SUV, or truck. The 8 strong straps and six door hooks firmly secure the box.

Key Features

  • Fits all types of cars
  • Upgraded waterproof zip
  • Easy to use
  • Upgraded safe design
  • Spacious roof bag

10. Rightline Gear 100A20 Ace 2 Car Top Carrier

Rightline Gear 100A20 Ace 2 Car Top CarrierCheck Price

Next on our list of the best car roof boxes is the Rightline Gear 100A20. It’s like no other car roof carrier bag on this list because it comes with a wide range of useful features. It’s made of semi-coated PVC and crafted with welded stitching to ensure it’s 100% waterproof.

Also, it has a perfectly developed Urethane coated zipper – flaps of very flexible material covering the zipper.

The bag comes in different sizes, which means you can choose anything from 9 cubic feet to 18 cubic feet. It all depends on what you want to carry. For example, if you’re planning a road trip and want to carry many things, then you should opt for the 18 cubic feet version, which can fit pretty much anything you want.

Also, it can easily attach with or with no roof rack in place, which can be a very useful feature and save you lots of costs when it comes to installation.

Key Features

  • Weatherproof
  • Designed for crossovers, minivans, and SUVs with or with no roof rack
  • Attaches with or with no roof rack
  • Easy attachment

Why Buy A Car Roof Box

  • Carry awkward and large items – Common cargo and trunks hatches are ideal for small to medium items or the occasional grocery shopping, but when it comes to large items on the car roof, however, such as bikes and skis, the awkward shapes tends to present some challenges, particularly on the long road trips. With the cargo roof racks, you can have the entire space on the car roof to mount and easily tie down everything you want to tow.
  • Store more stuff – All cars are limited in their in-built cargo capacity. Even the large trucks with about 8-foot beds will quickly run out of space if you fill them with sufficient stuff. A great car roof box allows people to easily expand on the inbuilt cargo space without making any modifications to your car.
  • Carry weekend toys – It is not always about work every time you drive your car. The car roof box alongside any roof accessory such as the kayak racks can carry an extensive range of toys such as paddleboards, kayaks, bikes, and even more.

Bottom Line

For its incredible versatility in cargo storage options, the CURT 18220 Roof Rack Cargo Bag earns the top stop. With its waterproof features and convenience, it’s hard to beat the flexibility this car roof box offers.

On the other hand, if you’re looking to save some cash, you can check out the RoofBag Rooftop Cargo Carrier instead. This is because it offers lots of conveniences and enough storage space in a very simple design. Remember to check out top picks for the best all-weather car mats to ensure your car remains clean and top baby car accessories for your next trip.


Best Car Roof Box FAQs

What do I need to mount the roof box on my car’s roof?

One of the things you’ll need is a crossbar that spans the width of the top of your car. The crossbar can handle different types of racks so you can rest assured you’ll have a very versatile setup.

Can I put the roof box on a truck?

Yes, of course! Trucks usually offer lots of space to put stuff. Besides the in-built space, you can mount the cargo box on the top of your truck.

Will a roof box survive the harsh weather conditions?

Yes, but it also depends on the quality of the material used to build the car roof box. Open boxes often tend to be crafted with highly durable metals such as aluminum and steel, with a heavy-duty coating of UV-resistant and weather-resistant paint. On the other hand, the cargo boxes use lighter weight.