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New and used
2026 GMC Sierra 1500 AT4 trucks
for sale
near
Seabrook, TX
24 matches
30 miles from 77586
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
$73,470
MSRP $74,470
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105212
VIN: 3GTUUEE8XTG105212
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
Reviews
Beck & Masten Buick GMC South review
Wait on shop repair due to the power outage that occurred
Wait on shop repair due to the power outage that occurred over two weeks once power restored had to make an appointment when I arrived.
New
2026 GMC Sierra 1500 AT4
$75,100
MSRP $75,100
Beck & Masten Buick GMC South
Vehicle information
Ext. color: White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TZ122427
VIN: 1GTUUEE86TZ122427
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
Reviews
Beck & Masten Buick GMC South review
The seller Mike.
The seller Mike. S was a shill guy and easy going making the process smooth, 10/10 great service. Also great service with the finance department.
New
2026 GMC Sierra 1500 AT4
$73,795
MSRP $74,795
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Gray
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105102
VIN: 3GTUUEE83TG105102
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
Reviews
Beck & Masten Buick GMC South review
Gil Campos as always services my truck excellently.
Gil Campos as always services my truck excellently. I scheduled my oil change and was completed in less than two hours. I will be back!!
New
2026 GMC Sierra 1500 AT4
$73,975
MSRP $73,975
Beck & Masten Buick GMC South
Vehicle information
Ext. color: White
Int. color: Jet Black
Drivetrain: 4WD
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG103576
VIN: 3GTUUEE85TG103576
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
Reviews
Beck & Masten Buick GMC South review
Everything went well.
Everything went well. I guess if I have to write 25 words I can go on and on about nothing. These reviews are not true reviews if you or the survey company are setting the boundaries.
New
2026 GMC Sierra 1500 AT4
$76,785
MSRP $77,785
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 6.2L V8
Stock #: TZ122383
VIN: 1GTUUEEL6TZ122383
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
Reviews
Beck & Masten Buick GMC South review
It's where I go for a quick no hassle oil change and tire
It's where I go for a quick no hassle oil change and tire rotation. It's all I needed and all I got. It was great!
New
2026 GMC Sierra 1500 AT4
$74,910
MSRP $75,910
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105115
VIN: 3GTUUEE81TG105115
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$76,660
MSRP $76,660
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 6.2L V8
Stock #: TG102302
VIN: 3GTUUEEL1TG102302
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$73,715
MSRP $74,715
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Gray
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105104
VIN: 3GTUUEE87TG105104
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$74,395
MSRP $75,395
Beck & Masten Buick GMC South
Vehicle information
Ext. color: White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TZ122465
VIN: 1GTUUEE83TZ122465
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$74,890
MSRP $75,890
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TZ122497
VIN: 1GTUUEE85TZ122497
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$73,765
MSRP $74,765
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105134
VIN: 3GTUUEE85TG105134
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$76,020
MSRP $76,020
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 6.2L V8
Stock #: TZ138324
VIN: 1GTUUEEL4TZ138324
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$74,270
MSRP $74,270
Beck & Masten Buick GMC South
Vehicle information
Ext. color: White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG103499
VIN: 3GTUUEE82TG103499
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$73,915
MSRP $74,915
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105109
VIN: 3GTUUEE86TG105109
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$73,915
MSRP $74,915
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105129
VIN: 3GTUUEE81TG105129
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$75,040
MSRP $76,040
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TZ119763
VIN: 1GTUUEE87TZ119763
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$75,085
MSRP $76,085
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Gray
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TZ116091
VIN: 1GTUUEE82TZ116091
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$74,760
MSRP $75,760
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Gray
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105121
VIN: 3GTUUEE87TG105121
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$75,525
MSRP $75,525
Beck & Masten Buick GMC South
Vehicle information
Ext. color: White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 6.2L V8
Stock #: TZ138565
VIN: 1GTUUEEL4TZ138565
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
New
2026 GMC Sierra 1500 AT4
$73,470
MSRP $74,470
Beck & Masten Buick GMC South
Vehicle information
Ext. color: Gray
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 3.0L
Stock #: TG105124
VIN: 3GTUUEE82TG105124
Features
Convenience:
Adaptive Cruise Control, Keyless Entry, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Satellite Radio
Exterior:
Sunroof/Moonroof
Safety:
Backup Camera, Lane Departure Warning
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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:
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.
24 matches
Clear
GMC Sierra 1500 trims
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GMC Sierra 1500 2026 Denali
39 listings starting at $69,457
-
GMC Sierra 1500 2026 Elevation
28 listings starting at $48,887
-
GMC Sierra 1500 2026 SLT
27 listings starting at $57,625
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