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New and used
2026 GMC Sierra 1500 AT4 trucks
for sale
near
Marshfield, MO
21 matches
30 miles from 65706
Be the first to know!
Est.
$400
/mo*
- 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 1500 AT4
$65,450
$3,500 price drop
Thompson Buick, GMC, Cadillac
New
2026 GMC Sierra 1500 AT4
$60,230
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Coastal Dune
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6
Stock #: TZ193454
VIN: 1GTUUEE81TZ193454
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Thompson Buick, GMC, Cadillac review
Jon Randall is solid.
Jon Randall is solid. He was very patient and knowledgeable. I received a very fair trade-in price and there were zero games, which made this the best car buying experience I’ve had thus far.
New
2026 GMC Sierra 1500 AT4
$63,580
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Titanium Rush Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6
Stock #: TZ170502
VIN: 1GTUUEE83TZ170502
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Thompson Buick, GMC, Cadillac review
Jon Randall sold my husband and I a Hummer EV.
Jon Randall sold my husband and I a Hummer EV. Fantastic experience from start to finish. Will definitely see him for future Cadillac, Buick, or GMC purchases!!
New
2026 GMC Sierra 1500 AT4
$60,830
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Titanium Rush Metallic
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG212491
VIN: 3GTUUEELXTG212491
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Thompson Buick, GMC, Cadillac review
Jon Randall at Thompson was great to work with on an
Jon Randall at Thompson was great to work with on an Escalade V purchase. Smooth transaction. Highly recommended!!
New
2026 GMC Sierra 1500 AT4
$65,450
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ237979
VIN: 1GTUUEEL0TZ237979
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Thompson Buick, GMC, Cadillac review
Great Experience.
Great Experience. They customized our new vehicle exactly how we wanted. Wonderful to deal with.
New
2026 GMC Sierra 1500 AT4
$64,640
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Titanium Rush Metallic
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ240206
VIN: 1GTUUEEL4TZ240206
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$64,145
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ238306
VIN: 1GTUUEEL9TZ238306
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$73,580
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6
Stock #: TZ167202
VIN: 1GTUUEE89TZ167202
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$62,355
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Coastal Dune
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
15-19
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG115930
VIN: 3GTUUEEL7TG115930
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$64,790
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Volcanic Red Tintcoat
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ239496
VIN: 1GTUUEEL1TZ239496
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$62,355
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG212380
VIN: 3GTUUEEL1TG212380
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$62,505
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Volcanic Red Tintcoat
Int. color: Jet Black W/ Kalahari Acc
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG212384
VIN: 3GTUUEEL9TG212384
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$62,355
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black W/ Kalahari Acc
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG212479
VIN: 3GTUUEEL9TG212479
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$60,335
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Summit White
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG211750
VIN: 3GTUUEEL3TG211750
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$61,860
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Summit White
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG211739
VIN: 3GTUUEEL4TG211739
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$64,955
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ237996
VIN: 1GTUUEEL0TZ237996
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$65,600
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Volcanic Red Tintcoat
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ239225
VIN: 1GTUUEEL3TZ239225
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$62,355
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Titanium Rush Metallic
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG212392
VIN: 3GTUUEEL8TG212392
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$65,450
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ235485
VIN: 1GTUUEEL9TZ235485
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$64,640
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TZ235600
VIN: 1GTUUEEL5TZ235600
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$60,830
$3,500 price drop
Thompson Buick, GMC, Cadillac
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black With Kalahari A
Drivetrain: Four-wheel Drive
MPG:
14-17
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: EcoTec3 6.2L V8
Stock #: TG212546
VIN: 3GTUUEEL9TG212546
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
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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
Rating breakdown (out of 5):
- 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.
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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.