If you want to go on a long trip, you might need to carry a lot of stuff. In that case, you will need a super-large cargo box for the roof of your car. Usually, the amount of provided storage space or the size of a cargo box is measured by the number of cubic feet they can hold. You can easily find a roof cargo box with nine to 20 cubic feet of storage space or more.
There are mainly two types of cargo carriers are available on the market. One type is the soft-case type that is relatably easy to install, and the other type is the hard-shell case that usually comes with a sleek and aerodynamic design.
If you want the largest roof box on the market, then you should buy a roof box with a minimum of 18 cubic feet of storage space. Here you can find some of the biggest and best roof cargo carriers available on the market.
If you are in a hurry, then you can use the links below to buy the best roof cargo boxes for your car. You don’t need to worry about the quality of the products because we only recommend the best.
– OverAll Best – Thule Motion XT Rooftop Cargo Box
– Best Soft Cargo Carrier – RoofPax Car Roof Bag
– Highest Capacity – Wisamic Car Rooftop Carrier
OverView of 6 Biggest Cargo Carriers:
1. RoofPax Car Roof Bag
The RoofPax Car Rooftop Bag and Cargo Carrier comes with 19 cubic feet of storage space. It measures roughly 47″ x 35″ x 20″. It can easily hold up to six suitcases and more. If you want to go on a family trip with a big family, then you can choose this cargo carrier. You can get the RoofPax Car Rooftop Bag for around 140 dollars.
Most of the roof bags come with straps that go inside the car to tie it down. The RoofPax carrier comes with six door hooks that make the carrier more secure and safer.
This roof cargo bag is made out of military-grade materials. That’s why it is also compatible with extreme weather conditions. It comes complete with a protective mat and ten strong straps with strap restrainers so that you do not face flapping. The included zippers also come with very good quality. They are heavy-duty zippers so that you can use them easily for several years without any problem. More you can install this roof bag with or without a roof rack.
RoofPax’s number-one advantage is its super-large size. You will certainly never run out of storage room whatever you pack in it. All your items inside this cargo bag will remain safe and secured. You will be glad to know that it even comes with a lifetime manufacturer’s warranty on the zippers and buckles so that you can buy it without thinking much.
- ✅ SAFETY COMES FIRST: RoofPax is the ONLY brand that produces its Car Roof Carriers for maximum safety with the Patented 4+2 extra free door hook straps (included), instead of using straps that go inside the car. Tying down any car top luggage involving straps going through the inside of the car is HIGHLY dangerous as they interfere with air bags in case of emergency and are illegal to use in some states. RoofPax is the safest and most secure Car Roof Cargo Bag on the market today.
- ✅ DOUBLE ZIPPERS FOR EXTRA WEATHERPROOFING: This premium quality car top bag is made of military grade materials with TWO waterproof closing zippers, waterproof dual seam technology and water repellent double coating. This roof bag features include a built-in protective mat and 10 elastic Velcro strap restraints to prevent strap flapping. Security features also include a heavy duty SBS zipper, 10 sturdy straps with NIFCO buckles and double strap covers with 8 Velcro stripes.
- ✅ WORKS WITH or WITHOUT a ROOF RACK: Use the RoofPax spacious 19 cubic feet car roof top luggage carrier with any sized car or SUV. It can be quickly and easily installed in minutes using either; raised side rails/crossbars/roof rack/basket and if none of them is installed - you can always use the included 6 door hook straps which attach under the door's rubber seal gasket.
- ✅ EVERYTHING YOU NEED IS INCLUDED: Our set includes the 19 cft. rooftop cargo carrier, 6 patented door hook straps/clips, a TSA approved lock, and a sturdy storage bag, offering you a better and safer solution for safely storing your car top luggage when traveling.
- ✅ FREE EXTENDED WARRANTY: Our customers mean the world to us! We promise to be there for you whenever needed, that's why our cargo rack rooftop is backed by a lifetime warranty on zippers and buckles and a 5-year warranty on tears and fabric. Our 24/7 customer care is ready to address any issues you might have in no time!
2. Oanon Car Top Carrier
The Oanon Waterproof Car Rooftop Carrier is a soft-top carrier that comes with a full 20 cubic feet of storage space. It is available in a thicker variety as well.
It is Larger than most other carriers. It measures 51″ x 40″ x 17″. so it is a perfect solution for storage space for family trips and long trips. It is made out of top PVC materials. The Oanon Waterproof Car Rooftop Carrier is always on the list of the largest roof box available.
The Oanon cartop carrier comes with a unique design. Though it is not water-resistant as other cargo carriers, it is fully waterproof, which makes it suitable for every weather condition. Your luggage and other stuff will always remain safe and dry and clean inside this cargo carrier whether you drive in the rain. It also comes with long straps, so you can easily install it on top of your car within a few minutes. So it is very easy to use.
This carrier is very easy to install, easy to use, and easy to keep clean. So this is one of our recommendations. You can get this awesome cargo carrier for around 70 dollars only which makes it is a very good deal. It comes with everything you need to use. It can provide you with a lot of conveniences. It will fulfill all your needs what you expect from a roof cargo carrier.
- [ Soft Car Top Carrier ] - There Is No ”Best Soft Car Top Carrier”. Instead, The Best One Is The One That Satisfies Your Specific Needs.However, The Oanon Provides The Best All-Around Value and is Likely to Satisfy More Consumers. We Provides Larger Capacity ( 20 Cubic ), Top PVC Material, Convenient Design and More Security in a Fair Price
- [ 20 Cubic Feet - Carrying Capacity ] - The Whole Point Of The Purchase Is To Provide Additional Cargo Room, So It Makes No Point To Buy One That Is Not Big Enough. The Roof Bag Overall Size Is 51'' x 40'' x 17'', Carry 20 Cubic Feet. Larger Than Other Brand.
- [ Waterproof - PVC Materials ] - The Torrential Downpour Will Test Merely Water Resistant Materials To Their Limit And Likely Result In Damp Or Soaked Contents. But Oanon’s Car Top Carrier Is Coated With PVC To Aid In Waterproofing ( inside and out ),NOT ONLY WATER RESISTANT Like Other Brand.
- [ 6 Tough Straps - More Security ] - Alongside Carrying Capacity, Stability Is Arguably The Most Important Factor In a Car Top Carrier. Oanon Provide 4pc Wide Straps & 2pc 3M Straps. To Some Extent, The More Straps Used To Fasten The Carrier To The Roof The Better.
- [ Easy Mounting & Storage Design ] - Design With 4 Short Tie Straps & 2 Long Straps, Make It Easy To Attaches In Only a Matter Of Minutes. Oanon’s Carrier is Purely Malleable, More Simple To Store Than The Carrier With Stiff Inner-Lining ( Storage bag included )
3. Thule Motion XT XXL Cargo Box:
This stylish roof box is very easily usable and looks so aesthetic. It is available in 2 colors and a massive volume of 610L or 22 cubic feet. The dual-sided opening of this Thule Motion XT XXL can give you access more easily.
Despite being huge, it is very user-friendly and straightforward to open or close for its grip-friendly lid-lifter in unfavorable weather conditions. The weight limit for this roof box is 75kg.
Because of its immense size, you might be worried about the access to your car’s trunk. But you don’t have to worry because it sits slightly ahead on the roof of your vehicle, so you can get the full trunk access without hitting your roof box.
Some important feature of Thule Motion XT XXL:
- Easy to open/close in all weather conditions.
- Grip friendly outer handles and supporting lid-lifters.
- The load capacity of 75 kg.
- Oversized roof-mounted cargo box provides 22 cubic feet of additional packing space
- Designed for optimal space efficiency, aerodynamics, and vehicle fit
- Quick-mount system "clicks" when roof box is secure and properly mounted
- Dual-side opening for quick access from either side of the car
- Easy to open and close with grip-friendly handles and supporting lid-lifters
4. Thule Force Cargo Box:
This sleek roof box is another product from Thule. Despite looking great, the performance is good also. But we kept this at number 2 because of its mounting system.
To install it on the roof of your vehicle, you need to open the mounting tools first. Then you have to set the box in the center of the roof bars. The installation process is a little trickier, and you have to work correctly. Still, the installation process only took less than 5 minutes.
The Thule Force Cargo Box is available with a pre-installed quick-grip mounting system. So the installation process for this roof box is tool-free. The lid is very durable and functional with a diamond-textured finish. Its aerodynamic shape is conducive to reducing drag and resist air.
The Thule Force Cargo Box is available with a big SecureLock, which ensures the security of the box. Moreover, it is also available with a dual-sided opening. So you can get access to this roof box quickly.
Some important feature of Thule Force Cargo Box:
- Secure clicking mounting systems
- Exclusive diamond-textured AeroSkin surface
- Load capacity remaining about 110 lbs.
- Diamond-Textured AeroSkin Lid is durable and the aerodynamic shape helps cut through the air
- Tool-Free Quick-Grip Mounting system attaches box to rack in less than 5 minutes
- Oversized SecureLock ensures the box is closed securely
- Dual-Side Opening for loading/unloading from either side of the vehicle
- Height off crossbar: 15.4 inches. Fits Thule AeroBlade and Thule SquareBar. One Key System compatible
5. STDY Rooftop Cargo Carrier
The STDY cartop carrier is one of the best largest roof boxes available on the market. It is fully waterproof. You will be able to carry your stuff for several years easily. It is made out of 1200-Denier polyester material that won’t rip, tear, or crack.
It comes with a sleek design. It is available in black and teal colors. It comes with up to 20 cubic feet of storage space. So you can carry whatever you want with it. Though it is a very durable carrier, it comes with double stitching for extra longevity. It is very easy to install also because of its enclosed tie-in straps.
It comes with all the things you will need to install this cargo carrier on top of your car. So you can easily take it out and install it as soon as you need it. More if you want to carry something oddly shaped, you have nothing to worry about because the soft shell can easily accommodate them.
Another very useful advantage of the STDY cartop carrier is its portability. You can easily fold it into a much smaller shape. It also comes with a carrying bag so that you can fold the carrier and store it easily when not in use. The best thing about this carrier is that it is compatible with most sedans, SUVs, and minivans, making it one of the most versatile carriers on this list.
- ☆【 WATERPROOF DESIGN】 Our durable rooftop cargo bag are treated with a pressing process by imported rubber strips and a stronger waterproof performance protection, constructed from 100% waterproof anti-rip, anti-peel, and anti-crack fabric with ultra-strong dual seam technology .
- ☆【UNIQUE DESIGN】 Two kinds of protective measures,the Cargo Bag made by the 1200-Denier Polyester Material after high-frequency pressing from refining into a dense and compact surface, coupled with invisible zipper well-designed magic.Allowing your trip experience more reliable anytime to anywhere even under the hard weather condition.
- ☆【INCREASES CAPACITY】Our Roof Bag Overall Size Is 51'' x 40'' x 17'', Carry 20 Cubic Feet, Larger Than Other Brand. That is very convenient for you to put luggage, sleeping bags and other travel needs of large items placed in the roof rack cargo bag. Easy to store ，it can be easily folded and placed in a storage bag for only a small space when not in use .
- ☆【EASY TO STALL】Firstly，the 6 built-in tie straps cross through the roof luggage rack,and hold the Nylon buckle. Secondly. Use the 6 extra straps through the plastic ring and then through rack, then hold on the buckle. Lastly. There are 2 long straps which can across the whole bag and the roof rack ensure that everything stays in place
- ☆【PRODUCT WARRANTY】You are very important to us, so if this cargo bag cannot fit your needs, just contact us and you'll be taken cared of by our excellent customer service
6. Wisamic Car Rooftop Carrier
The Wisamic Car Rooftop Carrier is the last option in this list. It is the largest roof box on this list. It comes with 30 cubic feet of storage space. You can purchase this rooftop carrier for around under 80 dollars what makes it a super awesome deal. So it is a great solution if you are looking for something on an affordable budget.
The Wisamic Car Rooftop Carrier measures almost 63″ x 43″ x 20″. It comes with included extra-large straps so that you can install it on top of an SUV or other large vehicles if you need it.
It also comes with a non-slip grip mat. So you do not have to worry about ruining or scratching up any paint on the roof of your car. The straps are triple-sewn that are very helpful in keeping the carrier in place as well as the items inside. It also comes with a storage bag so that you can store it easily when not in use.
The Wisamic cartop carrier is very easy to use. Any of your family members can easily take it out of the package and start using it immediately. It is made out of 500D PVC materials, and it is 100% waterproof and dust-proof. So all your stuff inside the box will always remain dry and clean whether you drive in any wet weather condition.
The Wisamic cartop carrier provides you with tons of extra storage space that you didn’t have before. Storage space is a must while you are planning for a trip so you can go for it.
- ✅ LARGE COMPACITY - The car roof bag overall size is 63''x43.3''x19.7''. Expand the carrying ability of your car for more 30 cubic feet. Provides extra space for storage on the way.
- ✅ WATERPROOF & DUSTPROOF - Made of 500D PVC to make it real waterproof. Double flap with velcro for double waterproof protection. Extra long flap helps protect zipper and resist water and dust.
- ✅ USER-FRIENDLY DESIGN - Non-slip grip mat enhances your travel by making sure that the bag does not move on your roof and adds padding so it WON’T scratch and ruin car paint; Thick, wide, triple sewn straps and clasps will hold your valuables steady as a rock and gripped in place throughout your road trip.
- ✅ EASY INSTALLATION & STORAGE - Straps attach to side rails or cross bars or basket. Just a matter of minutes. Soft and foldable. The rooftop cargo carrier also comes with the storage bag for easy storage.
- ✅ UNIVERSAL FIT - This cargo bag fits all kinds of cars with racks. Take the cargo bag to the park, the beach, the sports field, or any place you need to be storaged. Works on ALL vehicles with rack. Suitable for cars, vans, SUVs,etc.
The given Biggest Cargo Carriers are the best to providing you enough space for all of your needs. You have to think about the weather conditions in which you will use it and how easily you can install and uninstall it. Also, you have to think about the weight limit you are going to carry with it.
Always check the weight limit of your roof rack and your car roof. Because if you overload it, then the effect can be harmful to your car; it can damaging your vehicle.
–our editorial board has reviewed this article and has been approved for publication according to our editorial policy.
Best Seller Rooftop Cargo Carrier:
- 【840D CHAMPION QUALITY MATERIAL】 Made with heavy-duty 840D abrasion-resistant PVC fabric, this ultra-durable car roof cargo carrier stands up to any rough treatment or harsh weather. Better still, the triple-reinforced welded seams make it hard to tear or rip for years to come.
- 【MORE THAN WATERPROOF】 Featuring waterproof zipper wrapped with 6 inches widened velcro zipper flaps, our vehicle cargo carriers will exceed your expectations with the waterproof effet. The reinforced seams will make it possible "zero leakage" even in downpours.
- 【EASY INSTALLATION】 Our roof rack cargo carrier comes with an anti-slip mat and 8 thickened adjustable straps that will keep the cargo bag in place. The smooth zipper, adjustable straps, door hooks and robust buckles allows you to effortlessly secure it to any car.
- 【SECURE FIT & LARGE CAPACITY】 Our 21 cubic feet rooftop cargo bag is compatible with vehicles with our without roof rack, the large capacity can keep the shape nicely, even when holding many luggage cases, blanket, tents, sleeping bags and more.
- 【RELIABLE GUARANTEE】You will receive 1x roof top carrier bag, 1x storage bag, 1x anti-slip mat, 6x door hooks, 2x extra luggage straps. Our 3-year promise guarantees make your purchase worry-free, if the car roof bag fails, we will replace or refund as you want.
- 【OVERSIZED 21 CUBIC FEET】Massive 21 cubic feet (L52" x W39.5" x H17.5") of space can easily hold all luggage of a family of 5-6. Most other roof cargo carriers are small and there is not enough room to accommodate everything you need.
- 【HIGH DENSITY 700D PVC】Features triple-layer high density 700D PVC fabric. This material is 1.5 times stronger than 500D PVC fabric, which most other rooftop bags adopts and can easily rip. The coated surface can effectively protect your luggage against rain, grit, snow, wind and sun on the road.
- 【UPGRADED WATERPROOF ZIP】While other rooftop carrier bags let in water through the normal zipper, we've upgraded it to a waterproof zipper and fitted it with a widened 4.7" zipper flap that helps keep your items 100% dry.
- 【REINFORCED STRAP SEAM】We notice that the straps of other cargo bags can easily rip from the seam, so we doubly reinforced the strap seam. And all seams of this cargo bag are heat welded and stitched to ensure they are watertight.
- 【FIT ALL CARS】Whether your car is with roof rack or not, the 4 door hooks and 8 strong straps can always secure your roof top carrier bag. In addition, the equipped anti-slip mat can keep the cargo bag stay in place even in high speed road, and protect your car roof from scratches and damage.
- 100% WATERPROOF &TEARPROOF MATERIAL - Made of 100% waterproof material, 700D PVC tarpaulin, Grid material with High frequency voltage technology, durable and heavy duty style bag;
- EASY TO USE - The MeeFar XBEEK roof bag come with 1x anti-slip mats, 1x luggage lock, 6x security hooks, and 1x storage box, it can be quickly and easily installed in minutes; Made of soft shell material, it can be folded into the storage bag to save space while not in use;
- UNIVERSAL COMPATIBILITY - The MeeFar XBEEK roof bag can be used with any sized car or SUV, work both with car with or without roof rack;
- MORE SECURITY - Come with BONUS combination lock, it will not only prevent the zippers from slipping, but also adds security to luggage;
- LARGE STORAGE SPACE - 20 cubic feet 51” (L) X 40” (W) X 17” (H) rooftop cargo bag allows you to hold 4-6 suitcases, travel luggage case, tents, sleeping bags and more.
- Functional rooftop cargo box provides 14 cubic feet of additional packing space
- Rugged and durable design keep contents protected
- FastGrip quick-mount system assembles in minutes
- Passenger-side opening for easy loading and unloading
- Central Locking system provides maximum safety
- SECURE & PROTECT YOUR GEAR in this 18 cubic ft. HDPE plastic hard shell car top cargo carrier; high-capacity interior dimensions 57 L x 38 1/2 W x 17 3/4 H inches; aerodynamic design for fuel efficiency
- WATERPROOF STORAGE FOR YOUR LUGGAGE with a four corner locking system, front latch, and weather-tight seal for ultimate car rooftop protection and security
- EASY & CONVENIENT LOADING AND UNLOADING from either side of the car make for smooth travel and hassle-free storage
- NO TOOLS REQUIRED, EASY ASSEMBLY AND INSTALLATION. All mounting hardware and simple instructions are included to get you safely on the road quickly
- MADE IN USA, LIMITED LIFETIME GUARANTEE. The JEGS Rooftop Cargo Carrier’s high-quality construction and performance give you peace of mind
- 18 cubic foot (510 L) internal cargo capacity
- Made from durable UV-resistant ABS material
- Rear opening for easy access away from traffic
- Tool-free mounting hardware for easy installation and removal
- Includes key and lock to secure contents in the box, and the box to your rack
- 【Most Safe Design】: For security reasons, we use 8 reinforced adjustable straps to keep the cargo carrier in place. In addition, equipped with free anti-slip mat to keep the cargo bag stay in place even in high speed road or bump road, no slip, no scratch to your car.
- 【Large Storage Space】: Fivklemnz roof bag was designed to solve the problem of limited storage space in the car. 15 cubic feet rooftop cargo bag allows you to hold 4-6 suitcases, travel luggage case, tents, sleeping bags and more. Free up inside vehicle space for more comfortable on the way.
- 【Easy to Install】：Fivklemnz rooftop cargo carrier fits for any car, truck, or SUV. If there is not roof side rails on your car, it can be quickly and easily installed to roof rack in minutes with 4 door hooks.
- 【100% Refund or Replacement】：7x24 online customer support, ask us anything at any time. Backed by 30 days money-back guarantee and 12 months limited warranty.
- QUALITY WEATHERPROOF + CONSTRUCTION: UV protected PVC Semi-Coated Mesh XT material, welded seams, and urethane coated zipper with hook-&-loop-close flap provide reinforced protection against rain, snow, heat, heavy winds, and other extreme conditions.
- ATTACHES WITH OR WITHOUT A ROOF RACK: Attach the carrier's straps to a vehicle’s roof rack or use the Car Clips to attach the straps to a vehicle's door frame weather molding.
- 1 YEAR MANUFACTURER'S WARRANTY: Shop confidently; our service team is based in the USA & skillfully trained to help you with any questions or concerns.
- LARGE CAPACITY DESIGN: 15 cubic feet of storage, 40”L x 36” W x 18” H; designed for SUVs, minivans, and crossovers. Perfect for moving and vacations!
- EASY TO INSTALL: Your bag comes with everything you need to load it up, attach it, and hit the road in minutes! Includes carrier, (4) attachment straps, (4) Car Clips, and stuff sack with sewn-in set up guide.
- 【X-LARGE&EXPANDABLE SIZE】: DEISNGB Rooftop Cargo Carrier with 21 cubic feet X-large size, 21 ft³ capacity size:L41.4”X W33.85”X H22.8” expanding from 15 to 21ft³, With a zipper for expandable space easily to hold up to 6X suitcases for your adjustable command,with TSA lock helps you pass Canada customs.
- 【100% WATERPROOF】：Many car roof bags claim to be waterproof but aren’t. DEISNGB Rooftop Cargo Carrier is made of the newest 100% water resistant 900D fabric, and waterproof PVC bottom with dual-layer fabric waterproof zipper on each side, without seam to ensure they are watertight. 100% Waterproof and rainproof under extreme weather,tested by high pressure water pipe.
- 【100% SAFE & APPLICABLE DESIGN】: DEISNGB Rooftop Cargo Carrier use 6 reinforced adjustable straps and heavy duty buckles, keeping the roof bag tightly secured for the entire trip. High-density tear-resistant 900D Oxford Cordura waterproof cloth, effectively protect your luggage against rain, grit, snow, wind, and sun on the road.
- 【FITS ANY CARS WITH/WITHOUT RACK】: Rooftop Cargo Carrier is universal luggage type for SUV,MPV,Sedans,etc. Easy quickly and easily installed in minutes whether there is a rack installed on car or not.
- 【PACKAGE CONTENTS】: Expandable Rooftop Cargo Carrier, Anti-Slip Protective Mat, Dry Wet Separated Backpack,6 Door Hooks, TSA lock, Storage bag, User Manual. 4 Reinforced straps and 4 rubber handles on roof bag .
- 100% WATERPROOF & MILITARY-GRADE DURABILITY | Made from durable military-grade tarpaulin, our heavy-duty cartop cargo carrier is designed to withstand all climates and weather conditions without breaking, moving, or leaking. Our vehicle roof storage system is designed with 100% waterproof features and zippers.
- TOP QUALITY BAG | Our lockable zips have been developed and improved over the years to ensure your luggage arrives just as you packed it – dry, safe, and secure. The softshell car roof box also features double-layer welded components as well as freeze-resistant clips & straps, for a roof bag that will last.
- FITS ANY CAR - WITH OR WITHOUT ROOF RACK | Our rooftop cargo carrier is compatible with all hard roofed cars and SUVs, utilizing a flexible mounting system. Take advantage of our simple step-by-step manual and instructional video for a fast and easy set-up.
- NO ROOF RACK, NO PROBLEM | we’ve got you covered because every Tool Guards car roof bag comes with straps for every type of installation and set up. We include both sets of straps for installation on cars with roof racks and those which have no overhead roof racks.
- BONUS PRODUCTS | Also included with the roof bag, is a protective roof topper mat to prevent scratches or slipping, a carry bag for easy storage when not in use, and a TSA-approved padlock, for that extra level of security.
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Last Update : 2022-01-13