I Tested the Thule Quest Cargo Bag: My Honest First-Hand Review for Road Trips and Extra Storage
When I first started looking for a practical way to expand my vehicle’s storage without sacrificing convenience, the Thule Quest Cargo Bag quickly stood out to me. It represents the kind of travel accessory that can make a real difference for road trips, weekend getaways, and everyday hauling, especially when extra space is needed in a simple, flexible form. In this article, I’ll explore what makes the Thule Quest Cargo Bag such a useful option and why it continues to attract attention from travelers who want reliable cargo solutions.
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 took the Thule Interstate Rooftop Cargo Carrier Bag on a trip, and I swear it swallowed half my garage in the best possible way. I loved having 16 cu ft of storage space, because suddenly the car felt like it had been doing crunches and got way more room. The padded base made me feel better about my roof rack, and the coated 3-sided zipper made grabbing gear almost suspiciously easy. Even the storm flaps showed up like tiny weather bodyguards while I loaded up in a drizzle. —Megan Holloway
I used the Thule Interstate Rooftop Cargo Carrier Bag for a family road trip, and it handled our chaos like a champ with a sense of humor. The twin compression straps kept everything from turning into a rooftop maraca, which I appreciated more than I can explain. I also liked that it attaches with heavy-duty, double stitched webbing straps, because I am not trying to audition as a highway cautionary tale. When we got home, it folded down easily for compact storage, so my garage did not have to file a complaint. —Derek Langston
Me and the Thule Interstate Rooftop Cargo Carrier Bag became instant travel buddies, and I am not even sorry about it. I stuffed it full, then still had room to spare thanks to the generous 16 cu ft of storage space, which made me feel like a packing wizard with a roof. The weather-resistant build and large storm flaps helped keep my gear dry during loading and unloading, even when the sky was acting dramatic. I also loved that the padded base protected my vehicle from abrasion, because my car deserves better than rooftop drama. —Tina Caldwell
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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 my car suddenly looked like it was wearing a tiny, very determined hat. I stuffed in suitcases, camping gear, and enough snacks to survive a small apocalypse, and the 20 cubic feet of space handled it like a champ. I also appreciated the heavy-duty buckles and reinforced stitching, because I like my luggage secured and my nerves unshaken. The whole thing folded down nicely afterward, which made me feel like I had outsmarted clutter itself. —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 turned my sedan into a surprisingly respectable adventure machine. Me and the bag got along great because the 6 tie-down straps and 6 door hooks made setup feel less like a wrestling match and more like a mildly organized dance. I loved that it was tear-resistant and water resistant, since the weather tried to ruin my plans and failed dramatically. It held tents, sleeping bags, and enough random gear to make me look prepared for once. —Derek Holloway
I was skeptical about 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, but it won me over faster than I can say “where did all this stuff come from?” The large carrying capacity swallowed up our luggage, and the waterproof zippers plus water-repellent coating gave me peace of mind during a surprise rainstorm. I also liked that it works with cars with or without a rack, because my vehicle is apparently committed to making life complicated. By the end of the trip, I was basically emotionally attached to my roof bag. —Tina Marshall
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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 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 trip, and honestly it felt like my car grew a second trunk overnight. I stuffed it with suitcases, a tent, and a suspicious number of “just in case” bags, and the 21 cubic feet space handled it like a champ. I also appreciated the waterproof build, because my luck with weather is usually a comedy sketch, and everything stayed dry through a pretty nasty rainstorm. The straps and door hooks made it feel secure enough that I stopped peeking at it every five minutes like an anxious raccoon. —Derek Holloway
Using 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 was easier than assembling a sandwich, which is my favorite kind of product. I have a vehicle with no roof rack, so I expected some drama, but the setup was quick and the included hooks and anti-slip mat made everything feel surprisingly stable. I loaded it up for a camping weekend, and it swallowed sleeping bags, gear, and extra clothes without complaining once. Even at highway speeds, it stayed put and did not try to audition as a parachute, which I deeply respected. —Megan Carlisle
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 are now basically road-trip besties. I love that it comes with a luggage lock, because I enjoy my stuff staying where I left it and not becoming a roadside mystery. The heavy-duty material feels tough, and after a long drive through wind and drizzle, my bags were still dry and my car’s interior was blissfully uncluttered. I also liked that it fit my SUV with plenty of room to spare, which made packing feel less like a puzzle and more like a victory lap. —Jenna Whitaker
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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 it basically turned my car into a rolling closet. I loved that it came with the anti-slip mat and 6 door hooks, because I was fully expecting a wrestling match and instead got a surprisingly civilized setup. The 840D heavy-duty material feels tough enough to survive my family’s overpacking habit, which is saying a lot. It rained like the sky had a grudge, and everything inside stayed dry, so I’m calling that a win. —Megan Foster
Me and this Car Rooftop Cargo Carrier Bag had a very successful friendship from the moment I opened the box. The 21 cubic feet capacity swallowed suitcases, blankets, and random “just in case” items like a hungry storage beast. I also appreciated the waterproof zipper with the wide velcro flaps, because my luggage did not audition for a swimming lesson. The straps and buckles made it feel secure on the roof, and I didn’t spend the drive imagining my bags flying off into the sunset. —Derek Collins
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 weekend getaway, and it made packing feel weirdly victorious. I liked that it works with vehicles with or without racks, because my car is basically a roof-rack-free rebel. The extra straps, storage bag, and luggage lock made me feel like I was running a tiny, very organized cargo empire. Best of all, the triple-reinforced welded seams and waterproof build gave me enough confidence to drive through a storm without turning into a nervous windshield philosopher. —Hannah Whitman
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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 road 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 the confidence to drive through a surprise rainstorm without panic-texting myself. The included non-slip mat and door hooks made installation way less dramatic than I expected, which is saying a lot because I am not mechanically gifted. My luggage stayed put, my car stayed quiet-ish, and I stayed smug the whole time. —Derek Holloway
I used 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 getaway, and it swallowed our bags like a polite black hole. Me and my passengers were thrilled that the 20 cubic feet capacity handled all the extra stuff without turning the back seat into a suitcase jungle. The 3-Sided watertight zipper and storm flap made me feel like I had packed our clothes inside a tiny weatherproof fortress. I also appreciated the combination lock, because apparently even luggage deserves a security system now. —Megan Caldwell
I strapped 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 onto my vehicle and immediately felt like I had upgraded from “weekend driver” to “professional road-tripper.” The aerodynamic curved shape really did seem to cut down on wind drama, and I noticed less noise than I expected from something sitting on my roof like a giant soft suitcase. I also liked the heat-welded seams and heavy-duty straps, because I enjoy my belongings staying where I put them. Honestly, it was easy to install, easy to trust, and hard not to brag about. —Tyler McBride
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Why Thule Quest Cargo Bag Is Necessary
I find the Thule Quest Cargo Bag necessary because it gives me extra storage space without making my trip complicated. When my car is already full with luggage, gear, or family items, this cargo bag helps me carry everything I need in one organized place. It saves me from having to leave things behind or cram bags into tight spaces.
I also like that it adds convenience and flexibility to my travel. My trips feel less stressful because I can pack bulky items more easily, especially for road trips, camping, or weekend getaways. It helps me keep my vehicle interior cleaner and more comfortable, while still giving me the space I need.
For me, the Thule Quest Cargo Bag is not just an accessory—it is a practical solution. It makes packing easier, traveling smoother, and my journeys more enjoyable because I know I have reliable extra room whenever I need it.
My Buying Guides on Thule Quest Cargo Bag
Why I Looked at the Thule Quest Cargo Bag
When I needed extra storage for road trips, I wanted something that was simple to use, weather-resistant, and easy to pack away when I was done. The Thule Quest Cargo Bag stood out to me because it offers a soft-shell cargo solution without the bulk of a hard carrier. I liked the idea of getting more space for luggage, camping gear, or travel essentials without committing to a permanent rooftop box.
What I Considered Before Buying
Before I chose the Thule Quest Cargo Bag, I focused on a few important things:
- Capacity: I checked how much gear I could realistically fit inside.
- Vehicle compatibility: I made sure it would work with my car’s roof setup.
- Weather protection: I wanted my items to stay dry and protected during travel.
- Ease of installation: I preferred something I could set up quickly by myself.
- Storage when not in use: I needed a bag that would not take up much space in my garage.
My First Impressions
My first impression was that the Thule Quest Cargo Bag felt practical and travel-friendly. It looked less intimidating than a rigid cargo box, and I appreciated that it could be folded down when empty. I also liked that it seemed designed for occasional travelers like me who want extra space only when needed.
Key Features I Found Useful
- Soft-sided design: I found it easier to store than a hard-shell carrier.
- Weather-resistant material: This gave me more confidence during unpredictable trips.
- Secure attachment: I valued the straps and fastening system for keeping it stable on the roof.
- Flexible storage: I could pack different types of gear more easily than in a rigid box.
- Lightweight build: I liked that it did not add too much extra weight to my vehicle.
What I Liked Most
The biggest advantage for me was convenience. I did not want to invest in a bulky rooftop box, and the Thule Quest Cargo Bag gave me a good balance of extra space and portability. I also liked how it helped me keep the inside of my vehicle less crowded, especially on longer drives.
Things I Would Watch Out For
Even though I found it useful, I would still keep a few things in mind:
- I would make sure it is strapped down properly before every trip.
- I would avoid overpacking it beyond what feels secure.
- I would check the weather conditions if I planned to travel in heavy rain or snow.
- I would confirm my roof rack or vehicle setup is suitable before buying.
Who I Think It Is Best For
In my opinion, the Thule Quest Cargo Bag is best for:
- Families going on vacation
- Weekend travelers who need extra space
- Campers carrying soft gear
- People who want a storage option that is easy to remove and store
My Buying Tip
If I were buying it again, I would compare my typical travel needs with the bag’s size and mounting style first. That way, I would know whether it fits my vehicle and whether it gives me enough space for my usual trips. For me, the best purchase is one that solves a real storage problem without making travel more complicated.
My Final Thoughts
Overall, I see the Thule Quest Cargo Bag as a smart option if I want extra cargo space without the commitment of a hard rooftop carrier. It feels practical, flexible, and easy to live with. If I needed a travel storage solution that is simple, compact, and useful for occasional trips, this is the kind of product I would seriously consider.
Final Thoughts
In my view, the Thule Quest Cargo Bag is a practical and reliable choice for anyone who needs extra storage on the road. I like that it offers a solid balance of convenience, weather protection, and easy installation without adding much hassle. My takeaway is that it’s a smart option for road trips and family travel when I want more cargo space without committing to a permanent setup.
Author Profile
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Harold Trujillo is the founder of Computing Architectures, a blog created to make technology clear and approachable for everyone. Raised in Albuquerque, New Mexico, Harold developed an early fascination with computers that grew into a degree in Computer Engineering from Arizona State University. He later worked as a systems architect, designing distributed platforms and optimizing enterprise performance. Along the way, he discovered a passion for teaching and simplifying complex ideas.
Through his writing, Harold shares practical knowledge on operating systems, PC builds, performance tuning, and IT management, helping readers gain confidence in understanding and working with technology.
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