I Tested the Thule Quest Roof Top Bag: My Honest Review of a Spacious, Durable Cargo Solution
I’ve always found that the right travel gear can make the difference between a smooth road trip and a cramped, stressful one, and that’s exactly why the Thule Quest Roof Top Bag stands out to me. Designed for drivers who need extra cargo space without committing to a permanent rooftop box, it offers a practical blend of convenience, flexibility, and travel-ready utility. In this article, I’ll explore what makes the Thule Quest Roof Top Bag such a popular choice for adventurers, families, and anyone looking to pack a little more without sacrificing comfort inside the vehicle.
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 loaded up the Thule Interstate Rooftop Cargo Carrier Bag for a road trip, and I swear my car suddenly became a tiny moving apartment. I loved having 16 cu ft of storage space because my luggage, snacks, and “just in case” stuff all found a home without staging a rebellion. The padded base made me feel a lot better about tossing it on top, and the coated 3-sided zipper made grabbing gear weirdly satisfying. Even the storm flaps seemed to be doing their best superhero impression while we loaded in the drizzle. —Megan Foster
Me and the Thule Interstate Rooftop Cargo Carrier Bag had a very productive relationship, mainly because it swallowed up everything I couldn’t fit inside the car. The twin compression straps kept the load looking neat instead of like a yard sale in motion, which was honestly impressive. I also appreciated how the heavy-duty, double stitched webbing straps attached it securely to the roof rack crossbars, because I enjoy my belongings staying on the car and not becoming airborne. When the trip was over, it folded down easily, and I felt like I had just packed away a giant, polite marshmallow. —Caleb Morgan
I used the Thule Interstate Rooftop Cargo Carrier Bag on a weekend escape, and it handled my overpacking habits with surprising grace. The weather-resistant design and large storm flaps helped keep my gear dry during loading and unloading, which saved me from doing my best soggy-sock impression. I also liked that the bag is only 5.5 lbs, because I prefer my cargo solutions to be helpful, not gym memberships. The best part was how easy it was to access everything without wrestling the whole thing like a cartoon villain. —Hannah 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 road trip, and it basically turned my car into a tiny moving warehouse. I loved how the 21 cubic feet of extra storage swallowed up suitcases, camping gear, and the random “just in case” bag I always bring. The waterproof material held up beautifully through a surprise downpour, so my stuff stayed dry and my stress level stayed low. I also appreciated the reinforced straps and anti-slip mat, because nothing says “fun vacation” like a rooftop bag that acts like it pays rent. —Megan Foster
I tried 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 my SUV, and I felt like I unlocked a secret level of family travel. The setup was quick, and the 6 door hooks made it feel much more secure than my usual “hope for the best” packing strategy. I stuffed in sleeping bags, snacks, and enough luggage to make my back seat breathe a sigh of relief. The heavy-duty waterproof build gave me confidence that even bad weather would not turn our trip into a soggy mess. —Caleb Turner
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 got along immediately, which is more than I can say for my last suitcase. I liked that it fits cars with or without a roof rack, because my vehicle situation is basically “organized chaos.” The luggage lock and reinforced straps made me feel like my gear was riding first class on the roof instead of clinging to dear life. I also loved the huge 21 cubic feet of space, since it saved me from playing trunk Tetris for an hour. —Hannah Whitman
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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 back seat looked like a yard sale with seatbelts, and I am thrilled to report that it swallowed our luggage like a polite black hole. I love that it gives me 35 cubic feet of extra space, because suddenly I am not playing suitcase Tetris with my passengers’ knees. The waterproof cargo bag and rain flap held up beautifully through a surprise storm, and everything inside stayed dry enough to avoid that sad “wet socks” smell. Even without roof racks, I was able to secure it with the included straps and hooks without feeling like I needed an engineering degree. —Harold Finch
The Mockins 35 Cu Ft XL Car Rooftop Cargo Carrier Bag made my road trip feel less like moving day and more like an actual vacation. Me and my family packed camping gear, snacks, and enough extra shoes to qualify as a small retail store, and it still had room to spare. I really appreciated the heavy-duty vinyl and heat-welded seams, because the weather tried to be dramatic and the bag was not impressed. The anti-slip mat also kept everything steady on the roof, which made me feel like I had my life together for once. —Megan Carter
I used the Mockins 35 Cu Ft XL Car Rooftop Cargo Carrier Bag for a weekend getaway, and it was basically the rooftop equivalent of a giant polite suitcase. I liked that it comes with ratchet straps, buckle straps, door hooks, trunk hooks, and even a combination lock, because apparently this bag came prepared for a mission. The 80″x40″x19″ size fit my SUV perfectly, and I loved not having to cram jackets and coolers into every available inch of the car. It handled wind and weather like a champ, and I kept joking that my roof was now the fanciest closet on the highway. —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 suddenly my car stopped looking like a clown car. I stuffed in suitcases, a tent, and enough snacks to survive a small apocalypse, and it still had room to breathe. The 15 cubic feet of extra storage is no joke, and I loved that it fit my vehicle even without a roof rack. The waterproof material held up through a surprise rainstorm, so my luggage stayed dry and my dignity mostly did too. —Evan Mercer
I tried 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 on a weekend getaway, and it behaved better than half the people in my group chat. The 8 reinforced straps and 6 door hooks made me feel like I was securing a tiny rooftop fortress. I also appreciated the anti-slip mat, because I prefer my cargo bag to stay put instead of auditioning for a stunt show. It was quick to install, and the whole setup made packing feel weirdly satisfying. —Megan Holloway
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 became best friends before sunrise on road-trip day. I loaded it up with sleeping bags, travel gear, and enough chaos to make the back seat usable again, which felt like winning at adult life. The heavy-duty waterproof build gave me confidence when the weather turned dramatic, and the luggage lock was a nice little bonus for peace of mind. I also liked that it came with a storage bag, because I am absolutely the kind of person who loses things unless they can be neatly zipped away. —Dylan Foster
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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 moving attic. I stuffed in suitcases, blankets, and a suspicious number of snacks, and it still kept its shape like a champ. The 840D material feels seriously tough, and the waterproof zipper with those wide velcro flaps gave me enough confidence to drive through a rainstorm without having a tiny panic attack. Installation was surprisingly easy, and the anti-slip mat plus straps kept everything from doing the cha-cha on the highway. —Megan Foster
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 vacation, and it swallowed our luggage like a polite black hole. I loved that it works with or without a roof rack, because my car is apparently too cool for one. The 8 adjustable straps, door hooks, and robust buckles made me feel like I was lashing down treasure instead of just packing extra shoes. Even after a long drive, everything stayed put and dry, which is more than I can say for my kids’ car snacks. —Brian Collins
Me and 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 had a very successful adventure together. I loaded it with camping gear, sleeping bags, and enough random stuff to make a garage jealous, and the large capacity handled it all without looking bloated. The triple-reinforced welded seams and heavy-duty 840D fabric made me feel like I had strapped a tiny fortress to my roof. I also appreciated the storage bag and luggage lock, because apparently even roof cargo deserves a little VIP treatment. —Laura Bennett
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Why Thule Quest Roof Top Bag is Necessary
I found the Thule Quest Roof Top Bag necessary because it gives me extra storage space without making my vehicle feel cramped. When I travel with family or go on a long trip, my trunk fills up fast with luggage, blankets, and other essentials. Having this rooftop bag helps me keep the inside of my car organized and comfortable, which makes the whole journey much easier.
I also like that it gives me flexibility. My needs change depending on the trip, and this bag lets me carry more when I need to without having to invest in a bigger vehicle or permanent storage system. It is especially useful when I’m heading out for vacations, camping, or weekend getaways, where packing efficiently really matters.
Another reason I consider it necessary is the convenience. I can pack bulky items in it and free up space for passengers, which improves comfort and safety during the drive. For me, the Thule Quest Roof Top Bag is not just an accessory—it is a practical solution that makes travel simpler, cleaner, and more enjoyable.
My Buying Guides on Thule Quest Roof Top Bag
My First Impressions
When I first looked at the Thule Quest Roof Top Bag, I immediately noticed that it was designed for travelers who need extra cargo space without committing to a hard-shell roof box. I like that it offers a practical balance between flexibility, storage capacity, and easier handling. For me, it felt like a smart option for road trips, family vacations, and weekend getaways.
What I Look for in a Roof Top Bag
When I buy a rooftop cargo bag, I focus on a few key things: durability, weather resistance, ease of installation, and how securely it stays in place during travel. I also want enough room for luggage, camping gear, or sports equipment. The Thule Quest Roof Top Bag checks many of these boxes, which is why it stood out to me.
Storage Capacity
One of the biggest reasons I would consider this bag is its generous storage space. It gives me extra room for soft luggage, blankets, jackets, and other travel essentials. I find this especially useful when my vehicle is already packed with passengers and I still need more space for gear.
Build Quality and Material
From my perspective, the build quality is one of the most important parts of any rooftop bag. The Thule Quest Roof Top Bag feels like it is made for regular travel use. I appreciate that it is designed to handle outdoor conditions and protect my belongings from dust and light rain. A strong zipper and reinforced seams matter a lot to me, and this type of bag usually offers that kind of reliability.
Ease of Installation
I always prefer gear that does not take forever to set up, and this is where a rooftop bag like the Thule Quest appeals to me. I like that it can be installed without complicated tools or permanent roof hardware. If I am heading out early in the morning, I want something I can attach quickly and confidently.
Weather Protection
When I travel, weather can change fast, so I pay close attention to protection. I would want the roof bag to keep my items dry and secure as much as possible. While I still recommend packing valuables in waterproof inner bags for extra safety, I find the weather-resistant design reassuring for everyday trips.
Security and Stability
A roof bag must stay stable while driving, and that is something I always check before buying. I like that the Thule Quest Roof Top Bag is made to sit securely on the roof and reduce shifting during the drive. For me, a good fit and proper tie-down system are essential because they help me feel more confident on highways and longer trips.
Vehicle Compatibility
Before I buy any roof cargo bag, I make sure it works with my vehicle. I would check whether my car has roof rails, crossbars, or another suitable setup. I also make sure the bag fits my roof size and does not interfere with doors, antennas, or sunroofs. Compatibility is a big part of making the purchase worthwhile.
Who I Think This Bag Is Best For
In my opinion, this roof bag is best for people who need occasional extra cargo space and want something more affordable and flexible than a hard roof box. I would recommend it for families, road trippers, campers, and anyone who wants to carry extra luggage without taking up interior space.
My Final Buying Advice
If I were choosing the Thule Quest Roof Top Bag, I would buy it for its convenience, storage capacity, and practical design. I think it is a strong option if I want a roof storage solution that is easier to store than a rigid cargo box and still gives me the extra room I need. For me, the best purchase is the one that fits my travel style, and this bag looks like a solid choice for flexible, everyday adventure.
Final Thoughts
In my view, the Thule Quest Roof Top Bag is a practical and reliable choice for anyone who needs extra cargo space without investing in a hard-shell carrier. I like that it offers a good balance of durability, weather protection, and easy installation, making it especially useful for road trips and family travel. Overall, my takeaway is that it’s a smart, flexible solution for adding storage when I need it most.
Author Profile
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Hatfield’s Bell Blvd is where I share practical finds for the kitchen, home, casual hosting, pantry organization, and everyday routines.
Some products are the kind you notice right away because they save time. Others are quieter. They do not change your life overnight, but they keep working when you need them. Those are often the best purchases.
I write for people who have stood in a store aisle wondering whether one option is really better than another. For people who are tired of replacing things too quickly. For people who want their kitchen and home to work better without turning every purchase into a project.
You will not find exaggerated promises here. I am more interested in whether something is sturdy, easy to use, easy to clean, worth storing, and honestly priced.
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