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*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.
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New and used
2026 GMC Sierra 2500 AT4 trucks
for sale
near
Sheldon, 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
Great Experience!
All aspects of the car buying process were amazing. Truly a high class business, next car will be bought at this car dealership, truly top of the line!!!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
They guy Joel does a great job and great person love his
They guy Joel does a great job and great person love his customer service i will be back again for another oil change because of him
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Went in for recall they took care of me pretty fast and
Went in for recall they took care of me pretty fast and offered coffee and environment was great and my rep was very helpful and I had no issues
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Nice people and I?
Nice people and I?m happy with my new truck very appreciate David help. thank You and I will come back to buy another truck.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Everyone was very friendly!
Everyone was very friendly! Ada is the best! Very knowledgeable of the trucks. Made the new vehicle experience very easy and smooth. I definitely recommend her!
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
This is my forth GMC truck from this facility.
This is my forth GMC truck from this facility. It gets easier everytime. My salesman Mohammed Sharaf is very helpful and caring person. He well work with you on every detail. And I've learn from my last truck I could come back weeks and months later and he is always willing to help. The Sales manager will work with you and help you get what you want. It's a five star sales team.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Wesley in service was so nice and professional!
Wesley in service was so nice and professional! He kept me in the loop in everything that they were doing to my vehicle. I will be back?
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Best help from Myriam!
Best help from Myriam!!!, help me a lot with my problems . I recommend if you have a problem go with her. She will ensure you vehicle is at 100%
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Adrian provided prompt service and good communication
Adrian provided prompt service and good communication throughout the duration of the maintenance process. Tire rotation and leak check. Break check and fluid change out.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Great service as usual Basil is a great guy and Jasmine
Great service as usual Basil is a great guy and Jasmine was so nice and took care of all the details and kept on top of it
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
AMAZING DEALERSHIP AND PEOPLE
Honestly the BEST car buying experience we have ever had:) I highly recommend Gay Family Auto Trey, Kiss and Steve are amazing. From the time we walked in to the day that Trey delivered my sons truck it was ABSOLUTELY PROFESSIONAL.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Ease of dealership was astounding.
Ease of dealership was astounding. Will be back with my other vehicle and maybe purchase a vehicle. Would recommend to fiends and family. Thank you.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
Great experience!
I received excellent service from everyone who helped with my car purchase. Everyone worked hard to make sure that I was satisfied with my purchase, and I really appreciate the patience and helpfulness that I was shown.
New
2026 GMC Sierra 2500 AT4
Vehicle information
Features
Reviews
A great place to buy and get service make you
As always everyone treats me as if I am Family! Great people and great service They make the experience a good one Every time all the time.
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.
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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.