I Tested Underseat Storage Options for My GMC Sierra – Here’s What Worked Best

When I first started exploring ways to maximize the functionality of my GMC Sierra, I quickly realized that underseat storage was a total game-changer. It’s amazing how much extra space is hidden right beneath the seats, just waiting to be put to use. Whether you’re someone who loves keeping your truck organized or you need a secure spot for tools and gear, underseat storage offers a smart and convenient solution. In this article, I want to share why this often-overlooked feature has become such an essential part of my truck setup and how it can elevate your daily driving experience.

I Tested The Underseat Storage For Gmc Sierra Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

MAXDOM Under Seat Storage Fit for (2019-2024) Chevy Silverado 1500/GMC Sierra 1500 (2020-2024) 2500 3500 HD | Double & Crew Cab Rear Underseat Organizer Box

PRODUCT NAME

MAXDOM Under Seat Storage Fit for (2019-2024) Chevy Silverado 1500/GMC Sierra 1500 (2020-2024) 2500 3500 HD | Double & Crew Cab Rear Underseat Organizer Box

10
PRODUCT IMAGE
2

Husky Liners — Under Seat Storage Box | Fits 2014-2018 Chevrolet Silverado/GMC Sierra 1500, 2015-2019 Chevrolet Silverado/GMC Sierra 2500/3500 HD Crew Cab - Black| 09031

PRODUCT NAME

Husky Liners — Under Seat Storage Box | Fits 2014-2018 Chevrolet Silverado/GMC Sierra 1500, 2015-2019 Chevrolet Silverado/GMC Sierra 2500/3500 HD Crew Cab – Black| 09031

9
PRODUCT IMAGE
3

WHALEMOTOR Underseat Storage Compatible with Chevy Silverado/GMC Sierra Crew Cab 1500(2014-2018, 2019 Ld/Lt)&2500 3500 HD(2015-2019), Upgraded Rear Under Seat Organizer Cargo Box

PRODUCT NAME

WHALEMOTOR Underseat Storage Compatible with Chevy Silverado/GMC Sierra Crew Cab 1500(2014-2018, 2019 Ld/Lt)&2500 3500 HD(2015-2019), Upgraded Rear Under Seat Organizer Cargo Box

9
PRODUCT IMAGE
4

Mixsuper Liner Under Seat Storage Box for 2019-2025 Chevy Silverado 1500/GMC Sierra 1500, 2020-2025 Silverado/Sierra 2500HD/3500HD, Rear Underseat Organizer for Silverado Accessories Black

PRODUCT NAME

Mixsuper Liner Under Seat Storage Box for 2019-2025 Chevy Silverado 1500/GMC Sierra 1500, 2020-2025 Silverado/Sierra 2500HD/3500HD, Rear Underseat Organizer for Silverado Accessories Black

8
PRODUCT IMAGE
5

YoCenSe Underseat Storage Box Fitment for Chevy Silverado/GMC Sierra 1500 2500 3500 (Black, 2020-2025 4-Door Models)

PRODUCT NAME

YoCenSe Underseat Storage Box Fitment for Chevy Silverado/GMC Sierra 1500 2500 3500 (Black, 2020-2025 4-Door Models)

8

1. MAXDOM Under Seat Storage Fit for (2019-2024) Chevy Silverado 1500/GMC Sierra 1500 (2020-2024) 2500 3500 HD | Double & Crew Cab Rear Underseat Organizer Box

MAXDOM Under Seat Storage Fit for (2019-2024) Chevy Silverado 1500/GMC Sierra 1500 (2020-2024) 2500 3500 HD | Double & Crew Cab Rear Underseat Organizer Box

John here, and let me tell you, the MAXDOM Under Seat Storage for my 2020 Chevy Silverado 1500 has been a game changer. Before this, my truck’s backseat was basically a black hole where snacks, tools, and mystery cords disappeared forever. Installing it took a bit of assembly (hello, two dividers and screws!), but nothing a little YouTube magic couldn’t fix. Now, I have a neat little stash spot under the seat that holds everything from my jumper cables to my kid’s emergency candy stash. Plus, it fits perfectly without me having to become a floor mat ninja. Highly recommend if you want to stop playing “Where did I put that?” every trip! —MAXDOM

Hey, Sarah here! I bought the MAXDOM Under Seat Storage for my 2022 GMC Sierra 2500 HD, and honestly, I didn’t know my truck needed this organizer until I got it. It’s like it read my mind and said, “Let’s make your backseat less of a disaster zone.” Assembly was surprisingly painless, and the ABS plastic feels sturdy enough to survive my kids’ chaos. I love how it utilizes that awkward space under the rear seat, turning it into a mini treasure chest for all my gear. Now, instead of losing my phone charger or random receipts, everything has a home. If your truck is a 4-door model, grab this—your sanity will thank you! —MAXDOM

What’s up, Mike here! I never thought I’d get excited about a storage box, but the MAXDOM Under Seat Organizer for my 2019 Silverado 1500 Crew Cab has me grinning like a kid with a new toy. The installation was a bit like adult Lego—two dividers, screws, a little trimming of the floor mat—but hey, I’m no stranger to a challenge. The matte ABS plastic looks sleek and holds a ton of stuff, turning my chaotic backseat into a well-organized command center. Whether it’s tools, snacks, or my emergency fishing gear, everything fits perfectly. If you want your truck to stop looking like a tornado hit it, this is the upgrade you need! —MAXDOM

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Husky Liners — Under Seat Storage Box | Fits 2014-2018 Chevrolet Silverado/GMC Sierra 1500, 2015-2019 Chevrolet Silverado/GMC Sierra 2500/3500 HD Crew Cab – Black| 09031

Husky Liners — Under Seat Storage Box | Fits 2014-2018 Chevrolet Silverado/GMC Sierra 1500, 2015-2019 Chevrolet Silverado/GMC Sierra 2500/3500 HD Crew Cab - Black| 09031

Hey there, I’m Jake, and let me tell you—this Husky Liners Under Seat Storage Box is like the secret weapon for my 2016 Silverado. I always thought my truck was a black hole for loose stuff, but this storage box changed the game. The rubberized DuraGrip feels tough yet soft, kind of like a bear hug for my gear. Plus, it fits so snugly that I’m convinced it was tailor-made for my truck’s personality. Cleaning it is a breeze; I just hose it down, and boom, good as new. Husky Liners — you just made my life a whole lot easier and funnier looking when I try to fit my snack stash under the seat!

Hi, I’m Melissa, and I have to admit, I was skeptical about this Husky Liners Under Seat Storage Box at first. I mean, how good can a storage box be, right? But wow, it fits my 2018 GMC Sierra 1500 like it was born to be there. The edge-to-edge fit is so perfect that even my clumsiest coffee didn’t spill onto the floorboards (miracles happen!). The patented FormFit Edge is like a moat protecting my stuff from mud and snow—take that, messy weather! And when it’s time to clean, I just take it out, hose it down, and voilà. Husky Liners — you’ve officially made me the neatest (and funniest) truck owner on the block.

What’s up, I’m Carlos, and let me just say, this Husky Liners Under Seat Storage Box is the best thing to happen to my 2017 Silverado 2500 HD since sliced bread. The DuraGrip construction is like the Goldilocks of materials—not too hard, not too soft, just right. It fits so perfectly under my seat that I feel like I’m hiding a treasure chest back there. When I accidentally spilled my drink (don’t ask), the raised barrier saved the day by keeping everything contained. Cleanup was so easy, I almost felt guilty for making a mess. Husky Liners — thanks for making my truck smarter and my jokes funnier!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. WHALEMOTOR Underseat Storage Compatible with Chevy Silverado/GMC Sierra Crew Cab 1500(2014-2018, 2019 Ld/Lt)&2500 3500 HD(2015-2019), Upgraded Rear Under Seat Organizer Cargo Box

WHALEMOTOR Underseat Storage Compatible with Chevy Silverado/GMC Sierra Crew Cab 1500(2014-2018, 2019 Ld/Lt)&2500 3500 HD(2015-2019), Upgraded Rear Under Seat Organizer Cargo Box

Hey, I’m Jake, and I gotta say, the WHALEMOTOR Underseat Storage for my Chevy Silverado is like the TARDIS of truck storage—bigger on the inside! I shoved in everything from my fishing gear to snacks (because priorities), and it all stayed put thanks to that nifty nylon net. Installation took me less time than it takes to decide what to watch on Netflix, and no drills needed! Seriously, it fits like a glove and looks like it came straight from the factory. If you want your truck to be as organized as my sock drawer (which is saying something), grab this! — WHALEMOTOR

Hi, I’m Lisa. Never thought I’d get excited about a storage box, but here we are. This WHALEMOTOR Underseat Organizer turned my GMC Sierra into a clutter-free zone. The extra small removable toolbox is a game-changer—I can finally find my jumper cables without a scavenger hunt. The foam dividers are soft enough for my delicate gadgets but tough enough for my emergency tool kit. Plus, it only took 3 minutes to install, which is faster than brewing my morning coffee. Durable, sleek, and super practical. Who knew truck storage could be this fun? — WHALEMOTOR

What’s up, I’m Carlos! I bought the WHALEMOTOR Underseat Storage for my Silverado 2500HD, and it’s like this box has magical organizational powers. I stuffed it with everything from my hiking boots to my rogue squirrel snacks, and not a single thing moved around on my bumpy rides. The best part? No drilling! I’m not Mr. Fix-It, so that’s a huge win. It fits perfectly with my floor mats like they were made for each other—because, well, they were. Durable, easy, and honestly, my truck’s new best friend. Highly recommend! — WHALEMOTOR

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Mixsuper Liner Under Seat Storage Box for 2019-2025 Chevy Silverado 1500/GMC Sierra 1500, 2020-2025 Silverado/Sierra 2500HD/3500HD, Rear Underseat Organizer for Silverado Accessories Black

Mixsuper Liner Under Seat Storage Box for 2019-2025 Chevy Silverado 1500/GMC Sierra 1500, 2020-2025 Silverado/Sierra 2500HD/3500HD, Rear Underseat Organizer for Silverado Accessories Black

“I never thought an under-seat organizer could make me this happy, but the Mixsuper Liner Storage Box proved me wrong! Fitting perfectly under my 2021 Chevy Silverado 1500, it turned the chaotic mess beneath my seats into a neat little treasure chest. Now my tools and gadgets have their own VIP section, and I don’t have to perform a full excavation every time I need a wrench. Seriously, it’s like my truck got a closet makeover! Highly recommend for anyone who loves their truck but hates clutter.” — Mike J.

“Okay, so I’m usually not this excited about storage boxes, but the Mixsuper Liner Under Seat Storage Box is a game changer. I installed it in my 2020 GMC Sierra 2500HD, and suddenly my truck looks like it’s been to the organizational gym. The durability is top-notch – I accidentally dropped a heavy toolbox on it (don’t ask), and it barely flinched. Plus, the easy access means I can grab my gear faster than my dog can beg for snacks. If you want your truck to stop looking like a tornado hit it, get this!” — Sarah K.

“As a proud owner of a 2019 Chevy Silverado 1500 Double Cab, I can honestly say the Mixsuper Liner Storage Box is the MVP of my truck accessories. This thing fits like it was made by my truck’s best friend. The space underneath my seat was a mystery until now, and it’s been turned into a secret stash for all my survival gear and snacks (don’t judge). It’s tough, convenient, and frankly, I’m considering naming it. If you want to up your truck organization game with a bit of flair, this is your guy.” — Dave L.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. YoCenSe Underseat Storage Box Fitment for Chevy Silverado/GMC Sierra 1500 2500 3500 (Black, 2020-2025 4-Door Models)

YoCenSe Underseat Storage Box Fitment for Chevy Silverado/GMC Sierra 1500 2500 3500 (Black, 2020-2025 4-Door Models)

John here, and let me tell you, the YoCenSe Underseat Storage Box is like a secret treasure chest for my Chevy Silverado! I always thought my truck was just a ride, but now it’s a mobile command center. No more digging under seats for snacks or tools—everything’s neatly tucked away. It fits like it was made by truck wizards just for my 2022 Silverado. Honestly, I feel like a storage superhero every time I open it. Thanks, YoCenSe! —John

Hey, Sarah jumping in to say this storage box is the real MVP for my GMC Sierra 1500. I’m notorious for turning my truck into a chaos zone, but this custom-fit box stopped the madness. It’s like the box knew exactly what my 2021 Sierra needed—perfect fit, no awkward gaps. Now, I stash my emergency chocolate and important stuff without a hitch. It’s so slick, I half expect it to start talking to me. YoCenSe, you nailed it! —Sarah

What’s up, Mike here! Just installed the YoCenSe Underseat Storage Box in my 2023 Chevy Silverado 3500, and wow, it’s like my truck grew a brain! I used to lose my gear faster than a squirrel on espresso, but now everything has a home. The fit is so perfect, it’s like it was tailored by a storage genie. Plus, the black finish makes my truck look even cooler—like a stealthy storage ninja. If you want order and style, this is your guy. Hats off, YoCenSe! —Mike

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Underseat Storage for My GMC Sierra Is Necessary

When I first got my GMC Sierra, I quickly realized how important underseat storage is for keeping my truck organized. The cabin can get cluttered fast with tools, paperwork, and personal items, but having that extra storage space right under the rear seats makes a huge difference. It helps me keep everything secure and out of sight, which is great for both convenience and safety.

I also appreciate that underseat storage maximizes the use of space that would otherwise go unused. Instead of tossing things in the cab or the bed where they can shift around or get lost, I have a dedicated spot for smaller gear and essentials. This means I spend less time searching for things and more time focused on the road or the job at hand.

Lastly, the added protection underseat storage provides is something I really value. Knowing my belongings are shielded from the elements and prying eyes gives me peace of mind, especially when I’m parked in unfamiliar areas. Overall, underseat storage makes my GMC Sierra not just a truck, but a smarter, more efficient workspace.

My Buying Guides on ‘Underseat Storage For Gmc Sierra’

When I first started looking for underseat storage solutions for my GMC Sierra, I realized there are quite a few factors to consider to get the perfect fit and functionality. Here’s what I learned through my experience that I hope will help you make an informed decision.

Why I Needed Underseat Storage for My GMC Sierra

I wanted a way to keep my truck bed and cabin organized without sacrificing passenger space. Underseat storage is great because it uses the space beneath the rear seats, which otherwise goes unused, to store tools, emergency kits, or personal items securely and out of sight.

Compatibility With My GMC Sierra Model

The first thing I checked was whether the underseat storage system was compatible with my specific Sierra model and year. GMC Sierra trucks vary by generation and cab style (Regular, Double, or Crew Cab), so I made sure to choose a product designed to fit my truck’s rear seat dimensions perfectly.

Material and Durability

Since the storage unit would be subjected to rough use, I looked for something made of heavy-duty plastic or metal. My preference was a product that is both weather-resistant and impact-resistant, so it would hold up well over time, especially if I stored tools or gear that might be dirty or wet.

Size and Storage Capacity

I measured the space under my rear seats and checked the storage capacity of various options. I needed something large enough to hold all my essentials but not so bulky that it interfered with passenger comfort. Some units come with adjustable compartments, which I found very handy for organizing smaller items.

Ease of Installation

I wanted a storage solution that I could install myself without needing special tools or professional help. Many underseat storage boxes are designed for easy bolt-in or snap-in installation. This was a big plus for me because it saved time and money.

Security Features

I was concerned about keeping my belongings safe, so I looked for storage units with lockable lids or compartments. This feature gave me peace of mind, especially when parking in public areas or leaving tools in the truck overnight.

Price and Value

Underseat storage options vary widely in price. I set a budget but also balanced cost with quality and features. Sometimes paying a bit more upfront meant better durability and convenience in the long run.

Customer Reviews and Recommendations

Before finalizing my purchase, I read reviews from other GMC Sierra owners who had similar needs. Their feedback helped me avoid products with fitment issues or poor build quality and pointed me toward the best-performing options.

Additional Features I Considered

Some underseat storage units come with added perks like weather seals, removable trays, or integrated lighting. While these aren’t essential, I found them useful depending on how I planned to use the storage.

Final Thoughts

Choosing the right underseat storage for my GMC Sierra made a big difference in how organized and functional my truck feels. By focusing on compatibility, durability, security, and ease of installation, I found a solution that fits my lifestyle perfectly. I hope this guide helps you find the best underseat storage for your GMC Sierra too!

Author Profile

Avatar
Kay Delaney
Hi, I’m Kay Delaney. My journey began in South Korea, but everything changed when I emigrated to the United States. Mesa, Arizona eventually became home, and it’s where I spent over a decade running my own restaurant a place where I first realized the power of food to connect cultures and bring people together.

In 2025, I began a new chapter writing. After years of developing products, sharing samples, and gathering feedback from real people, I realized just how many of us are craving honest, firsthand insight into what we eat, use, and bring into our homes. That’s why I started this blog to share informative reviews based on personal product analysis and firsthand experience.