Save your search and get notified when new inventory arrives.
Contact seller
Customize your budget
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
About your privacy: Cars.com is asking for your ZIP and credit rating because it helps us to make an educated guess at your sales tax and loan interest. These two factors can greatly change your monthly payment.
New and used
2026 GMC Sierra 2500 AT4 trucks
for sale
near
Trinity, FL
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Very good to work with very knowledgeable very helpful
Very good to work with very knowledgeable very helpful not pushy overall a great experience.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Very friendly staff.
Very friendly staff. Gorgeous showroom. Wes was great and even got on the ground with me to look for rust. Highly recommend. Go see Wesley.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Jason heard proved to be veery knowledgeable and
Jason heard proved to be veery knowledgeable and professional.no pressure and a delightful experience..very happy with my maxima!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
I had a great experience purchasing my new (to me) GMC
I had a great experience purchasing my new (to me) GMC Canyon thanks to Demetrios! From the moment I walked in, he made the process easy and stress-free, answering all my questions and making sure I felt confident about my decision. He was friendly, patient, and never pushy — just genuinely helpful every step of the way. I’m thrilled with my truck and grateful for how smooth Demetrios made the whole experience. Highly recommend working with him if you’re in the market for a new ride!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Stephon was great to work with.
Stephon was great to work with. Made the purchase smooth and seamless. He had the truck pulled forward and detailed as we had much of the paperwork completed prior to going to the dealership.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
1. Tony was a perfect representative for Ferman
1. Tony was a perfect representative for Ferman Buick. 2. Our Buick Invista is an outstanding car. So glad we made the purchase. 3. Our outstanding service at Ferman Chrysler insures we will always take our Invista to Ferman Buick service. Bottom line; the Investa is the perfect choice for us.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Great experience.
Great experience. They were professional and treat their customers with respect. I would go back there when I need another car.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Highly recommend Rivard GMC Buick.
Highly recommend Rivard GMC Buick. Haley was our sales consultant, and provided a no pressure, no games sales experience. Straight forward pricing, without all the money making add ons. Family owned business as well.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
I worked with Jake Thompson and if there was any heavy
I worked with Jake Thompson and if there was any heavy lifting to do during the sales process, he did it. It was no doubt the easiest purchase of a car that I have ever made. Thanks Jake!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
My salesman was Mike, and he was very helpful, and we
My salesman was Mike, and he was very helpful, and we bought the GMC from him.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Sal is an awesome sales agent, pleasure to work with.
Sal is an awesome sales agent, pleasure to work with. Not overbearing, very knowledgeable and friendly. With his Long Island accent I felt like I needed an interpreter at times. Lol Thanks for a great encounter
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Sal was fantastic!
Sal was fantastic! He knew everything about each trim level and worked with us to find the perfect Truck for our needs. He completely took the stress out of buying a car. Thanks Sal!!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Good shop, friendly and on time.
Good shop, friendly and on time. I appreciate the care given to my vehicle. I would recommend this dealer.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
This dealership has earned my business for the last 6
This dealership has earned my business for the last 6 cars I've either purchased or leased. Nolan goes above and beyond to get a good deal done.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
The Brooksville GMC Team worked with us to reach an
The Brooksville GMC Team worked with us to reach an agreement. No hiccups so far. Enjoying our new GMC.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
The experience was fantastic, it took The experience was
The experience was fantastic, it took The experience was fantastic. It took me about two hours to review the numbers, financing, and all the other details. In contrast to my past negative experiences with car purchases, this one was the complete opposite.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
From check-in to completion of required service I was
From check-in to completion of required service I was treated with courtesy professionalism and that my time was important My vehicle required a road accident covered tire service and the shop was extremely efficient in ensuring both the tire and the ability to install it did not waste my time
There are 9 matching cars close to your year range.
Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Certified
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
Used
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Used
2024 GMC Sierra 2500 AT4
Vehicle information
Features
New
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Used
2025 GMC Sierra 2500 AT4
Vehicle information
Features
Vehicle information
Features
Vehicle information
Features
-
Prev - 1
-
Next
About the 2026 GMC Sierra 2500 AT4
AT4 shown.
- Seating
- 5
- Door count
- 4
- Drivetrain
- Four Wheel Drive
- Combined MPG
- 0
- Transmission
- 10-Speed A/T
- Engine
- 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
How much does the 2026 GMC Sierra 2500 AT4 cost?
The 2026 GMC Sierra 2500 AT4 price depends on optional features. Prices typically start at $72,200.
What are some similar vehicles and competitors of the 2026 GMC Sierra 2500 AT4?
The 2026 GMC Sierra 2500 AT4 compares to and/or competes against the following vehicles:
AT4 (2 styles)
| Style | |
|---|---|
| 4WD Crew Cab 159" AT4 | 4WD Crew Cab 172" AT4 |
| Inventory price | |
| Starting at $72,200 | Starting at $72,400 |
| Combined MPG | |
| 0 | 0 |
| Engine | |
| 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) |
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
- ${price_badge()}
- ${ami_badge()}
- ${battery_badge()}${ev_report_link()}
- ${hot_car_badge()}
- ${award_badge()}
- ${cpo_badge()}
${price_badge_description}
${ami_badge_description}
The EV Battery Rating is based on this vehicle's current expected range relative to the vehicles expected range when new. ${battery_badge_text}
This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.
