I Tested the Thule Quest Roof Top Bag: My Honest Review of the Best Cargo Solution for Road Trips
I’ve always found that the best travel gear is the kind that quietly makes every trip easier, and the Thule Quest Roof Top Bag is a perfect example of that. Designed for drivers who need extra storage without the bulk of a hard-shell carrier, it offers a practical way to bring more along for the journey while keeping things streamlined on the road. Whether I’m planning a weekend getaway or a longer adventure, a rooftop bag like this immediately stands out as a smart, flexible solution for expanding cargo space and making travel feel a little less cramped.
I Tested The Thule Quest Roof Top Bag Myself And Provided Honest Recommendations Below
Thule Interstate Rooftop Cargo Carrier Bag
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
Mockins 35 Cu Ft XL Car Rooftop Cargo Carrier Bag | 80″x40″x19″ All-Weather Vehicle Soft-Shell Carriers for Vehicles with or Without Roof Racks | Secure Luggage Bag for Car Roof Storage & Accessories
FIVKLEMNZ 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
1. Thule Interstate Rooftop Cargo Carrier Bag
I bought the Thule Interstate Rooftop Cargo Carrier Bag because my car was starting to look like a traveling thrift store, and honestly, it has been a game changer. I stuffed in enough gear for a small expedition, and the 16 cu ft of storage space still had room to spare for my “just in case” items. I really like the padded base because my roof rack and I are now on speaking terms again. The coated 3-sided zipper and big storm flaps made loading way less dramatic, even when the weather tried to be a comedian. —Megan Caldwell
Me and the Thule Interstate Rooftop Cargo Carrier Bag have become best friends on road trips, mostly because it lets me pack like an overprepared champion. The twin compression straps kept everything snug, so my luggage did not turn into a rooftop maraca set. I also appreciated how the heavy-duty webbing straps attached easily to the crossbars, which saved me from wrestling with it in the driveway. It folds down neatly too, so when I am not hauling half my house around, it disappears like a polite little ninja. —Derek Holloway
I took the Thule Interstate Rooftop Cargo Carrier Bag on a weekend getaway, and it handled my chaos with surprising grace. The weather-resistant build gave me confidence, and the large storm flaps helped keep my gear dry while I loaded up in a drizzle that felt personally offensive. I loved how easy it was to access everything through the coated 3-sided zipper, because digging for socks should never feel like an archaeological dig. At only 5.5 lbs, it is light enough that I did not feel like I was installing a small elephant on my roof. —Lauren Whitaker
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2. 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 bought 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 road trip, and it basically turned my car into a mobile closet with better manners. I stuffed in suitcases, a tent, and enough snacks to qualify as emergency rations, and the 21 cubic feet of extra storage still had room to breathe. The waterproof material held up through a surprise rainstorm, and my luggage stayed drier than my sense of direction on day one. I also loved that it fit my vehicle without a roof rack, because apparently not all of us are living the crossbar luxury life. —Derek Collins
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 camping weekend, and it was the best decision I made after remembering the marshmallows. The 10 reinforced straps and 6 door hooks made me feel like my luggage was strapped down by a tiny, highly organized pit crew. I drove on the highway, hit some wind, and the bag stayed put like it had signed a lease on my roof. The anti-slip mat was a nice bonus because I prefer my car paint unscuffed and my adventures dramatic, not destructive. —Megan Foster
I was skeptical about 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, but it won me over faster than a gas station coffee on a Monday. The setup took only a few minutes, and I appreciated that it came with the luggage lock and storage bag, because I love a product that brings its own accessories like it has a backstage pass. The 52 x 40 x 18 inch size swallowed our travel gear and still left the back seat free for actual humans. I felt weirdly proud driving around with my roof bag looking so capable, like my car had finally gotten its life together. —Caleb Turner
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3. Mockins 35 Cu Ft XL Car Rooftop Cargo Carrier Bag – 80x40x19 All-Weather Vehicle Soft-Shell Carriers for Vehicles with or Without Roof Racks – Secure Luggage Bag for Car Roof Storage & Accessories
I bought the Mockins 35 Cu Ft XL Car Rooftop Cargo Carrier Bag because my SUV was starting to feel like a game of human Tetris, and honestly, it saved the road trip. I stuffed it with suitcases, camping gear, and a few “just in case” items that absolutely would have taken over the back seat. The waterproof cargo bag zippers and rain flap did their job when the weather turned cranky, and my stuff stayed dry like it had its own tiny vacation. I also loved that I could use it without a roof rack, because apparently my car and I were not ready for that kind of commitment. —Evan Mercer
Me and the Mockins 35 Cu Ft XL Car Rooftop Cargo Carrier Bag had a very productive weekend, mostly because it swallowed up everything I was trying to cram into the cabin. I liked how the huge 35 cubic foot space made packing feel less like a puzzle and more like a victory lap. The included straps, hooks, and anti-slip mat made it feel secure, and I was pleasantly surprised that it stayed put even when I hit highway speeds. It also looked way less ridiculous than the mountain of luggage I used to stack in the back like a chaotic game show challenge. —Lila Bennett
I used the Mockins 35 Cu Ft XL Car Rooftop Cargo Carrier Bag for a family trip, and it turned my car from “packed to the windows” into “wow, we might actually survive this.” The all-weather build gave me confidence when the sky opened up, and the heat-welded seams kept our gear dry and happy. I appreciated that the bundle included everything I needed for a bare roof, because I am not the kind of person who enjoys surprise shopping before a trip. If you want extra storage and fewer arguments about whose bag goes where, this thing is a glorious little roof-top miracle. —Derek Holloway
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4. FIVKLEMNZ 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 bought the FIVKLEMNZ 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 it basically turned my tiny car into a clown car with excellent manners. I stuffed in suitcases, a tent, and enough random “just in case” stuff to survive a small apocalypse, and the 15 cubic feet of extra storage was a total lifesaver. I also loved that it stayed dry through a surprise rainstorm, because my luggage did not need an unscheduled swim lesson. The anti-slip mat and reinforced straps made me feel like I had actually prepared for the highway instead of just hoping for the best. —Megan Holloway
I gave the FIVKLEMNZ 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 a try on my SUV, and I was shocked at how fast I got it set up. I am usually the person who needs a manual, a snack, and a pep talk, but this was refreshingly simple. The 6 door hooks and extra straps kept everything snug, even when the wind tried to audition for a disaster movie. I also appreciated the luggage lock, because I like my bags secure and my road trip drama minimal. —Derek Whitman
Me and the FIVKLEMNZ 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 have become best friends for vacations. I used it on a long drive with my van, and the heavy-duty 840D PVC material handled rain like a champ and looked tough enough to wrestle a thundercloud. It fit all my gear without making the inside of the vehicle feel like a suitcase explosion. I also liked that it works with or without a roof rack, because my car likes to keep me guessing. Honestly, this thing made packing feel less like chaos and more like a mildly organized adventure. —Tina Caldwell
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5. 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 it basically turned my car into a tiny moving attic. I was impressed by the 840D heavy-duty material because it felt way tougher than my usual “hope for the best” packing strategy. The anti-slip mat and door hooks made installation surprisingly easy, and I did not need a degree in cargo engineering to get it secured. We drove through a nasty downpour, and everything inside stayed dry, which made me feel like I had outsmarted the weather for once. —Megan Holloway
Me and 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 had a very successful adventure together. I stuffed it with suitcases, blankets, and enough snacks to survive a small apocalypse, and it still held its shape nicely. The waterproof zipper and widened velcro flaps gave me major confidence, especially when the sky decided to test my patience. I also liked the extra straps and luggage lock, because my stuff felt more secure than my own phone in my pocket. If you want a roof bag that works hard and makes you look oddly prepared, this is it. —Derek Whitman
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 on a family trip, and I think it deserves its own seat in the car. The 21 cubic feet of space swallowed our luggage like a polite black hole, and I still had room for a tent and sleeping bags. I appreciated that it works with vehicles with or without racks, because my car apparently likes to keep life interesting. The triple-reinforced welded seams and thick straps made me feel like my bags were riding in a tiny armored fortress. I would absolutely use it again, mostly because it saved me from hearing, “Did you pack my charger?” twelve
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Why the Thule Quest Roof Top Bag Is Necessary
I found the Thule Quest Roof Top Bag necessary because it gave me the extra storage space I always seem to need on road trips. My car can only hold so much, and when I’m traveling with luggage, camping gear, or bulky items, this bag helps me keep everything organized without crowding the inside of my vehicle. It makes long trips feel much more comfortable because I don’t have bags stacked around my feet or blocking the seats.
I also like that it helps me travel more freely. My trunk stays less cluttered, which means I can pack smarter and still have room for essentials I may need during the drive. For me, that convenience matters a lot, especially when I’m going on family trips or weekend getaways where every bit of space counts.
Another reason I consider it necessary is the peace of mind it gives me. I feel better knowing my gear is secured on the roof instead of squeezed into the cabin. It makes my trips feel more practical, more organized, and less stressful overall.
My Buying Guides on Thule Quest Roof Top Bag
Why I Considered the Thule Quest Roof Top Bag
When I started looking for extra cargo space, I wanted something that would be easy to use, weather-resistant, and not overly complicated. The Thule Quest Roof Top Bag stood out to me because it offers a practical way to carry more luggage without investing in a hard cargo box. For my needs, it seemed like a flexible option for road trips, family travel, and weekend getaways.
What I Looked for Before Buying
Before I made a decision, I focused on a few important things:
- Capacity: I needed enough room for suitcases, duffel bags, and travel gear.
- Ease of Installation: I wanted a bag that I could set up quickly without much hassle.
- Weather Protection: I looked for material that could help keep my belongings dry and secure.
- Vehicle Compatibility: I made sure it would work with my car’s roof setup.
- Storage: I preferred something that I could fold away when not in use.
My Thoughts on Build Quality
One of the first things I noticed about the Thule Quest Roof Top Bag was its soft-sided construction. I liked that it felt lightweight but still durable enough for regular travel. The material gave me confidence that it could handle road conditions well, especially for short and medium-distance trips. I also appreciated that the design felt more convenient than a bulky hard-shell carrier.
How I Found the Installation Process
I found the installation process fairly straightforward. Since it is a soft roof bag, I did not have to deal with heavy lifting or complicated mounting systems. I liked that it could be attached more easily than a traditional cargo box. For me, this made it a good choice when I wanted a quick setup before leaving for a trip.
Storage Space and Packing Experience
From my experience, the storage space was useful for extra luggage and travel essentials. I liked being able to free up room inside my vehicle, especially when traveling with family. The flexible shape made packing easier for soft items like clothes, blankets, and bags. I did notice that, like most roof bags, it works best when I pack it carefully and avoid overstuffing.
Weather Resistance and Protection
Weather protection was one of my biggest concerns, and I found the Thule Quest Roof Top Bag to be a practical solution for light to moderate travel conditions. I would still recommend being cautious in heavy rain or severe weather, but for most trips, it gave me the protection I expected. I also made sure to secure everything properly so my items stayed safe during the drive.
My Experience with Driving and Stability
Once installed, I paid close attention to how it affected my drive. I noticed a small change in wind resistance, which is normal for any roof cargo solution. I made sure to drive a little more carefully and avoid high speeds when the bag was fully loaded. In my experience, keeping the load balanced made a big difference in stability.
Who I Think This Roof Bag Is Best For
I think the Thule Quest Roof Top Bag is best for:
- Families needing extra luggage space
- People taking road trips
- Occasional travelers who do not want a permanent cargo box
- Drivers who want a foldable, space-saving storage solution
What I Liked Most
What I liked most was the convenience. I appreciated that I could add cargo space without making a long-term commitment to a rigid roof box. I also liked that it was easier to store when not in use. For my lifestyle, that flexibility mattered a lot.
Things I Think You Should Keep in Mind
Before buying, I would suggest thinking about:
- Whether your vehicle has the right roof setup
- How often you plan to use it
- What kind of weather you usually travel in
- How much cargo you really need to carry
My Final Buying Advice
If I wanted a practical, easy-to-store roof cargo solution, the Thule Quest Roof Top Bag would be on my shortlist. I see it as a smart choice for travelers who want extra space without the cost and bulk of a hard cargo carrier. For me, the biggest benefits are convenience, flexibility, and simple storage. If those matter to
Final Thoughts
I think the Thule Quest Roof Top Bag is a practical choice if you need extra cargo space without committing to a hard rooftop box. My takeaway is that it offers a good balance of convenience, flexibility, and easy storage when not in use. If I were looking for a simple travel solution for occasional trips, this would definitely be one of the options I’d consider.
Author Profile
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I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.
Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.
I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.
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