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New and used
2026 GMC Sierra 2500 AT4 trucks
for sale
near
Southmayd, TX
- 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
The most painless vehicle purchase of my 61 years.
The most painless vehicle purchase of my 61 years. Not one disappointment or surprise. Everything was seamless to almost perfection.
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Great experience, not pressured into buying, worked with
Great experience, not pressured into buying, worked with us on our trade in, quick and easy buy
Vehicle information
Features
Vehicle information
Features
Vehicle information
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New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Paulo is awesome and all the staff is very professional.
Paulo is awesome and all the staff is very professional. Top tier dealership with top tier people!!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Knowledgeable, friendly & they do follow up.
Knowledgeable, friendly & they do follow up. Appointments are easy. They do what you ask & ask before they do! Have points let them know they can you apply them!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Spent $70,000 on a new truck when I bring it in for the
Spent $70,000 on a new truck when I bring it in for the nurse first service they don’t even wash it left holy handprints all down the edge of the hood
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Vehicle information
Features
Vehicle information
Features
Vehicle information
Features
Vehicle information
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Vehicle information
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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 $71,600.
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 172" AT4 | 4WD Crew Cab 159" AT4 |
| Inventory price | |
| Starting at $71,800 | Starting at $71,600 |
| 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.
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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.
