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New and used
2026 GMC Sierra 1500 AT4 trucks
for sale
near
Justice, IL
- 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.
Used
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Very professional, excellent communication Friendly
Very professional, excellent communication Friendly staff, and had the vehicle we wanted, would deal with them again
It was such a good truck honstly the greatest thing I
It was such a good truck honstly the greatest thing I have ever drove in my entire life I am so happy that I have been blessed with this being my first ever car
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I really appreciate the straight-forward buying process I
I really appreciate the straight-forward buying process I found at Napleton Schaumburg GMC. Thank you to Yiannis for answering all my questions! Best- Mark
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
My salesman Esad was great.
My salesman Esad was great. He was very knowledgeable. Everyone was very friendly and helpful.
Vehicle information
Features
Reviews
What a great experience at D?
What a great experience at D? Arcy Buick Dealership in Joliet IL. The staff was friendly, honest, and made the whole process easy. Ray our salesperson went above and beyond. I love my new Envision Sport and would definitely recommend D?Arcy Buick and ask for Ray!!
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Battery wasn?
Battery wasn?t installed correctly. I had returned my car to get the battery installation corrected and had to miss work. I was disappointed with the work.
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
I and my wife only use the dealer's services for
I and my wife only use the dealer's services for maintenence and repairs. We are always satisfied with the quality of the repairs and the friendliness of the office technicians
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
Sam S.
Sam S. My sales rep. Was patient and honest. His no pressure approach was refreshing compare to the other dealerships I went to. They were quick and efficient. Repeat customer.
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
“Excellent Communication
My first experience at this dealership will definitely bring me back. We are so happy with our purchased! We had Alex Alverio from Sales, he was very professional & helpful, has awesome customer service & we highly recommend Alex. Thank you so much and keep it up!
Vehicle information
Features
Reviews
Excellent sale team and service department is great only
Excellent sale team and service department is great only buy cars from D?Arcy team. Myself and family have buying cars from D?Arcy for years
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
alex gave me a great deal on our new buick.
alex gave me a great deal on our new buick..... thank you so much alex.
Vehicle information
Features
Reviews
Always a great experience since we purchased our 2016 gmc
Always a great experience since we purchased our 2016 gmc terrain. Everyone is always very kind and helpful and knowledgeable. They let us know exactly what we need and get it done in a timely manner.
New
2026 GMC Sierra 1500 AT4
Vehicle information
Features
Reviews
This dealership was great the hospitality was through the
This dealership was great the hospitality was through the roof, though we didn't make a deal I would 100% comeback.
Vehicle information
Features
Reviews
Survey
Mike Pendleton was great, even though I was looking for Calvin, nevertheless, either was great! Paul was awesome as well!! I would definitely recommend you guys to all of my friends!
Vehicle information
Features
Reviews
Thank you to the service team for your getting me all set
Thank you to the service team for your getting me all set for my roadtrip!
Vehicle information
Features
Reviews
Excellent service Professional service Quick
Excellent service Professional service Quick service Polite customer service Excellent customer communication Very detailed repairs
There are 8 matching cars close to your year range.
Used
2024 GMC Sierra 1500 AT4
Vehicle information
Features
Used
2024 GMC Sierra 1500 AT4
Vehicle information
Features
Used
2024 GMC Sierra 1500 AT4
Vehicle information
Features
New
2025 GMC Sierra 1500 AT4
Vehicle information
Features
New
2025 GMC Sierra 1500 AT4
Vehicle information
Features
New
2025 GMC Sierra 1500 AT4
Vehicle information
Features
Used
2025 GMC Sierra 1500 AT4
Vehicle information
Features
Used
2025 GMC Sierra 1500 AT4
Vehicle information
Features
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About the 2026 GMC Sierra 1500 AT4
AT4 shown.
- Seating
- 5
- Door count
- 4
- Drivetrain
- Four Wheel Drive
- Combined MPG
- 23
- Transmission
- 10-Speed A/T
- Engine
- 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel)
How much does the 2026 GMC Sierra 1500 AT4 cost?
The 2026 GMC Sierra 1500 AT4 price depends on optional features. Prices typically start at $66,800.
What is the MPG of the 2026 GMC Sierra 1500 AT4?
The 2026 GMC Sierra 1500 AT4 offers up to 21 MPG in city driving and 24 MPG on the highway for a combined rating of 23 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle options, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2026 GMC Sierra 1500 AT4?
The 2026 GMC Sierra 1500 AT4 compares to and/or competes against the following vehicles:
Is the 2026 GMC Sierra 1500 AT4 reliable?
The 2026 GMC Sierra 1500 has an average reliability rating of 5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2026 Sierra 1500 owners.
100% of drivers recommend this car
- Comfort 5.0
- Interior 5.0
- Performance 5.0
- Value 5.0
- Exterior 5.0
- Reliability 5.0
AT4 (2 styles)
| Style | |
|---|---|
| 4WD Crew Cab 147" AT4 | 4WD Crew Cab 157" AT4 |
| Inventory price | |
| Starting at $66,800 | Starting at $67,300 |
| Combined MPG | |
| 23 | 23 |
| Engine | |
| 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline Fuel) | 420.0-hp, 6.2-liter, 8 Cylinder Engine (Gasoline 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.
GMC Sierra 1500 trims
-
GMC Sierra 1500 2026 Elevation
208 listings starting at $43,500
-
GMC Sierra 1500 2026 Denali
98 listings starting at $62,250
-
GMC Sierra 1500 2026 SLT
72 listings starting at $55,100
-
GMC Sierra 1500 2026 Pro
31 listings starting at $37,435
-
GMC Sierra 1500 2026 AT4X
30 listings starting at $71,337
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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.
