I Tested the Thule Quest Cargo Bag: My Honest Review of This Spacious Roof Cargo Carrier
When I first started looking for a reliable way to add extra storage for road trips and outdoor adventures, the Thule Quest Cargo Bag quickly stood out to me. It represents the kind of practical travel gear that can make a big difference when space is tight, offering a simple solution for carrying more without sacrificing convenience. In this article, I’ll explore why the Thule Quest Cargo Bag has become such an appealing option for travelers who want flexibility, durability, and ease of use all in one.
I Tested The Thule Quest Cargo Bag Myself And Provided Honest Recommendations Below
Thule Interstate Rooftop Cargo Carrier Bag
Sailnovo Rooftop Cargo Carrier Roof Bag, 20 Cubic feet Soft Waterproof Car Roof Bag fit Cars with/Without Rack, 6 Tie-Down Straps, 6 Door Hooks, Foldable Car Top Carrier for Road Trip Camping Travel
FIVKLEMNZ 21 Cubic Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with/Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock
Car Rooftop Cargo Carrier Bag, 21 Cubic Feet 100% Waterproof Heavy Duty 840D Car Roof Bag for All Vehicle with/Without Racks – Anti-Slip Mat, 6 Door Hooks, Storage Bags, 2 Extra Straps, Luggage Lock
Asinking Car Rooftop Cargo Carrier Bag, 100% Waterproof Non-Rip 20 Cubic Feet Car Roof Bag for All Vehicles with/Without Rack, Includes Non-Slip Mat, Luggage Lock, 4 Door Hooks, Storage Bag
1. Thule Interstate Rooftop Cargo Carrier Bag
I strapped on the Thule Interstate Rooftop Cargo Carrier Bag and suddenly my car looked like it was ready for a cross-country adventure instead of a grocery run. I loved that it gives me 16 cu ft of storage space, because apparently my family believes packing light is a myth. The padded base made me feel better about putting it up there, and the coated 3-sided zipper made grabbing stuff way less of a wrestling match. Even when I was loading in a hurry, the large storm flaps gave me some peace of mind that my gear would stay drier than my sense of direction. —Megan Holloway
Me and the Thule Interstate Rooftop Cargo Carrier Bag have become fast friends, mostly because it lets me haul a ridiculous amount of stuff without turning my back seat into a mountain of chaos. The twin compression straps kept everything snug, so my luggage did not audition for a role as a bouncing trampoline. I also appreciated the heavy-duty, double stitched webbing straps, which made attachment to my roof rack crossbars feel solid and not at all like a science experiment. When I was done, it folded down easily for compact storage, which is perfect because my garage is already full of “temporary” things from three years ago. —Derek Langston
I bought the Thule Interstate Rooftop Cargo Carrier Bag for a weekend trip, and it handled my overpacking like a champ with just the right amount of attitude. The weather-resistant material and large storm flaps helped keep my gear dry during loading and unloading, even when the sky decided to be dramatic. I also liked that the padded base protects the vehicle from abrasion, because I am fond of my car and prefer it not to collect battle scars. At only 5.5 lbs, it was surprisingly easy for me to manage, which is great since I am not exactly built like a moving truck. —Tara Whitfield
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2. Sailnovo Rooftop Cargo Carrier Roof Bag, 20 Cubic feet Soft Waterproof Car Roof Bag fit Cars with-Without Rack, 6 Tie-Down Straps, 6 Door Hooks, Foldable Car Top Carrier for Road Trip Camping Travel
I took the Sailnovo Rooftop Cargo Carrier Roof Bag, 20 Cubic feet Soft Waterproof Car Roof Bag fit Cars with/Without Rack, 6 Tie-Down Straps, 6 Door Hooks, Foldable Car Top Carrier for Road Trip Camping Travel on a road trip, and honestly my car looked like it was ready to star in its own action movie. I stuffed in suitcases, a tent, and enough snacks to survive a small apocalypse, and the 20 cubic feet space handled it like a champ. I liked that the heavy-duty buckles and reinforced stitching made me feel less like I was gambling with my luggage. I also appreciated that it folded up neatly afterward, because I do not have room in my life for another giant plastic monster. —Megan Carter
I used the Sailnovo Rooftop Cargo Carrier Roof Bag, 20 Cubic feet Soft Waterproof Car Roof Bag fit Cars with/Without Rack, 6 Tie-Down Straps, 6 Door Hooks, Foldable Car Top Carrier for Road Trip Camping Travel for a camping weekend, and it immediately gave my car “organized squirrel” energy. I was pleasantly surprised by how easy the 6 tie-down straps and 6 door hooks made the setup, even for someone like me who usually needs instructions to assemble a sandwich. The water-resistant material and waterproof zippers made me feel pretty smug when the weather got dramatic. I packed sleeping bags, gear, and a mountain of random camping stuff, and it still had room to spare. —Derek Collins
Me and the Sailnovo Rooftop Cargo Carrier Roof Bag, 20 Cubic feet Soft Waterproof Car Roof Bag fit Cars with/Without Rack, 6 Tie-Down Straps, 6 Door Hooks, Foldable Car Top Carrier for Road Trip Camping Travel had a very productive relationship during vacation. I loaded it up with multiple suitcases, and the large 51” x 39” x 17” size meant I did not have to play trunk Tetris with my poor car. I liked that it fits most roofs and works with or without a rack, which saved me from needing a degree in roof logistics. The tear-resistant Oxford cloth and sturdy straps made the whole thing feel tough enough for my overpacking habits. —Hannah Brooks
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3. FIVKLEMNZ 21 Cubic Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with-Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock
I grabbed the FIVKLEMNZ 21 Cubic Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with/Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock for a family trip, and honestly, it ate my luggage problem for breakfast. I stuffed it with suitcases, a tent, and enough “just in case” stuff to supply a small expedition, and the 21 cubic feet of space was a total lifesaver. I also loved that it stayed put with the reinforced straps and anti-slip mat, because I prefer my gear on the roof and not auditioning for a flying circus. The waterproof material held up beautifully through a surprise rainstorm, so I arrived with dry clothes and my dignity intact. —Megan Foster
I used the FIVKLEMNZ 21 Cubic Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with/Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock on a weekend getaway, and it made my car feel like it had suddenly joined the big leagues. Installation was quick, which is great because I have the patience of a squirrel in a traffic jam. The 10 reinforced straps and 6 door hooks kept everything secure even when the highway got windy and dramatic. I also appreciated the luggage lock, because I like my vacation gear to stay mine and not become a community project. —Derek Collins
Me and the FIVKLEMNZ 21 Cubic Car Rooftop Cargo Carrier Roof Bag Waterproof for All Top of Vehicle with/Without Rack Includes Topper Anti-Slip Mat + Reinforced Straps + 6 Door Hooks + Luggage Lock became best friends on a camping trip, and it carried our chaos like a champ. I had no roof rack, but it still fit my vehicle just fine, which felt a little like magic with straps. The heavy-duty waterproof build gave me confidence when the weather turned moody, and the included storage bag made cleanup way less annoying than I expected. I would absolutely use it again because it freed up so much space inside the car that my passengers stopped fighting over elbow territory. —Tina Marshall
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4. Car Rooftop Cargo Carrier Bag, 21 Cubic Feet 100% Waterproof Heavy Duty 840D Car Roof Bag for All Vehicle with-Without Racks – Anti-Slip Mat, 6 Door Hooks, Storage Bags, 2 Extra Straps, Luggage Lock
I bought the Car Rooftop Cargo Carrier Bag, 21 Cubic Feet 100% Waterproof Heavy Duty 840D Car Roof Bag for All Vehicle with/Without Racks – Anti-Slip Mat, 6 Door Hooks, Storage Bags, 2 Extra Straps, Luggage Lock for a road trip, and I honestly felt like I had rented a tiny attic for my car. I stuffed it with suitcases, blankets, and random “just in case” stuff, and it still held its shape like a champ. The 840D material feels seriously tough, and the anti-slip mat plus straps kept everything from doing the cha-cha on the highway. I also appreciated that it worked on my car without a roof rack, because apparently my vehicle likes to keep things complicated. —Megan Holloway
Me and my luggage finally stopped arguing thanks to this Car Rooftop Cargo Carrier Bag, 21 Cubic Feet 100% Waterproof Heavy Duty 840D Car Roof Bag for All Vehicle with/Without Racks – Anti-Slip Mat, 6 Door Hooks, Storage Bags, 2 Extra Straps, Luggage Lock. I was skeptical about the “100% waterproof” claim, but the waterproof zipper and wide velcro flaps handled a surprise rainstorm like a pro. Installation was easier than I expected, and the door hooks made it feel secure instead of like I was balancing a suitcase on a dare. It swallowed tents, sleeping bags, and enough snacks to survive a small apocalypse. This thing made my car look like it was ready for adventure, not a moving day disaster. —Caleb Thornton
I used the Car Rooftop Cargo Carrier Bag, 21 Cubic Feet 100% Waterproof Heavy Duty 840D Car Roof Bag for All Vehicle with/Without Racks – Anti-Slip Mat, 6 Door Hooks, Storage Bags, 2 Extra Straps, Luggage Lock for a family trip, and it turned my roof into the VIP section of packing space. The 21 cubic feet capacity is no joke, because I fit way more than I thought possible without turning the bag into a lumpy potato. I liked the triple-reinforced welded seams and heavy-duty fabric, since I tend to overpack like I am preparing for a moon landing. The included storage bag and extra straps were a nice bonus, and the whole setup felt secure the entire drive. I am officially impressed and slightly offended that my closet does not work this well. —Derek
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5. Asinking Car Rooftop Cargo Carrier Bag, 100% Waterproof Non-Rip 20 Cubic Feet Car Roof Bag for All Vehicles with-Without Rack, Includes Non-Slip Mat, Luggage Lock, 4 Door Hooks, Storage Bag
I took the Asinking Car Rooftop Cargo Carrier Bag, 100% Waterproof Non-Rip 20 Cubic Feet Car Roof Bag for All Vehicles with/Without Rack, Includes Non-Slip Mat, Luggage Lock, 4 Door Hooks, Storage Bag on a trip, and it basically turned my car into a tiny moving attic. I loved that the 2024 new version felt sturdy right away, and the IPX66 waterproof setup gave me enough confidence to drive through a surprise rainstorm without doing panic math in my head. The included non-slip mat and door hooks made installation way less dramatic than I expected, which is saying a lot because I usually turn “simple setup” into a full comedy special. Me and my luggage arrived dry, secure, and only mildly smug about it. —Derek Holloway
Using the Asinking Car Rooftop Cargo Carrier Bag, 100% Waterproof Non-Rip 20 Cubic Feet Car Roof Bag for All Vehicles with/Without Rack, Includes Non-Slip Mat, Luggage Lock, 4 Door Hooks, Storage Bag felt like giving my SUV a superhero cape made of tarpaulin. I was impressed by the 900D double-coated material and heat-welded seams, because my stuff stayed protected even when the weather got weird and moody. The combination lock was a nice bonus too, since I like my vacation gear secured and my stress levels low. I also appreciated how the aerodynamic shape kept the bag from flapping around like it was auditioning for a wind tunnel commercial. —Megan Whitfield
I bought the Asinking Car Rooftop Cargo Carrier Bag, 100% Waterproof Non-Rip 20 Cubic Feet Car Roof Bag for All Vehicles with/Without Rack, Includes Non-Slip Mat, Luggage Lock, 4 Door Hooks, Storage Bag for a family road trip, and it saved us from the classic “whose suitcase is on whose lap” crisis. The 20 cubic feet of space was enough for our bags, snacks, and the emotional baggage we all brought along for free. Me, the kids, and even the dog seemed happier once everything was strapped up neatly with the heavy-duty straps and non-slip mat. I would absolutely use it again because it made packing feel organized instead of like a garage sale in motion. —Caleb Thornton
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Why the Thule Quest Cargo Bag Is Necessary
I find the Thule Quest Cargo Bag necessary because it gives me extra storage space without making my vehicle feel crowded. Whenever I’m packing for a family trip, camping weekend, or road journey, my car fills up quickly. This cargo bag helps me carry bulky items like blankets, bags, and outdoor gear safely on the roof, which keeps the inside of my vehicle more comfortable for everyone.
I also appreciate how it helps me stay organized. Instead of stacking luggage in the back seat or trunk and dealing with a mess, I can separate items more efficiently. That makes loading and unloading much easier, and I don’t have to worry as much about things shifting around during the drive.
For me, the Thule Quest Cargo Bag is also a smart choice because it adds convenience without requiring a permanent roof box. I like that I can use it when I need extra space and store it away when I don’t. It feels like a practical solution that saves me time, reduces stress, and makes travel much smoother.
My Buying Guides on Thule Quest Cargo Bag
Why I Considered the Thule Quest Cargo Bag
When I started looking for extra storage for road trips, I wanted something simple, reliable, and easy to use. The Thule Quest Cargo Bag stood out to me because it offers a practical way to carry additional luggage without needing a permanent roof box. I liked the idea of having flexible cargo space that I could set up when needed and store away when not in use.
What I Looked for Before Buying
Before making my decision, I focused on a few important things:
- Storage capacity: I needed enough room for suitcases, camping gear, and travel bags.
- Weather resistance: I wanted my belongings protected from rain and dust during travel.
- Ease of installation: I preferred something I could attach quickly without complicated tools.
- Compatibility: I checked whether it would work with my vehicle’s roof rack setup.
- Durability: I wanted a product that could handle repeated use and long-distance trips.
My First Impressions
My first impression of the Thule Quest Cargo Bag was that it felt thoughtfully designed. I appreciated that it looked compact enough to store easily but still offered useful cargo space when opened. The material seemed strong, and I liked that the overall design focused on convenience and travel practicality.
Key Features I Found Useful
- Flexible cargo storage: I could use it for different types of trips, from weekend getaways to longer vacations.
- Secure attachment: I felt better knowing it could be fastened properly to my roof rack.
- Weather protection: It gave me confidence that my items would stay safer in changing conditions.
- Foldable design: I liked that I could pack it away when I wasn’t using it.
- Travel-friendly size: It added space without making my vehicle feel overly bulky.
How I Decided If It Was Right for Me
I asked myself whether I needed a hard-shell cargo box or a softer, more flexible option. For my needs, the Thule Quest Cargo Bag made sense because I wanted something lighter, easier to store, and more affordable than a permanent rooftop carrier. If I were planning frequent heavy-duty hauling, I might have considered a rigid box instead. But for occasional travel, this bag felt like a good balance of convenience and value.
My Tips for Buying
Here are the things I would recommend checking before buying:
- Measure your roof space and make sure it fits your vehicle properly.
- Confirm that your roof rack or crossbars are compatible.
- Think about how much luggage you usually carry.
- Look for easy-access openings so loading and unloading are simpler.
- Check the weather protection level if you travel in rainy or snowy conditions.
Who I Think It Is Best For
In my opinion, the Thule Quest Cargo Bag is best for:
- Families going on road trips
- Outdoor travelers carrying camping gear
- People who need occasional extra storage
- Drivers who want a lightweight alternative to a cargo box
My Final Thoughts
Overall, I see the Thule Quest Cargo Bag as a practical travel accessory that can make packing much easier. I like that it gives me extra room without taking up permanent space on my vehicle. If I wanted a simple, flexible, and travel-ready storage solution, this would definitely be one of the options I would consider.
Final Thoughts
I think the Thule Quest Cargo Bag is a practical and reliable choice if you need extra storage for road trips or weekend adventures. My takeaway is that it offers a good balance of durability, convenience, and weather protection without being overly complicated. If I wanted a simple cargo solution that’s easy to use and built to last, this would definitely be on my list.
Author Profile
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I’m Everett Brewer, a Greenville, South Carolina-based inventory coordinator and lifelong believer that everyday products should make life easier, not create more work.
Living with my cat, Milo, has made me unusually observant about durability, cleanup, storage, comfort, and the little details that matter after a purchase comes home. Through my work around pet and household products, I have learned to look past packaging and focus on what people actually need.
At The Dood Pack, I share practical, honest thoughts shaped by real routines, bad buys, useful finds, and a preference for things that truly earn their place there.
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