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New and used
2026 GMC Sierra 1500 AT4X trucks
for sale
near
Cudahy, CA
38 matches
30 miles from 90096
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 AT4X
$79,260
MSRP $84,385
Tustin Buick GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
14-16
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: SI13252
VIN: 3GTUUFEL8TG103551
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®, USB Port, WiFi Hotspot
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
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 AT4X
$81,039
MSRP $82,789
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Sterling
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 127988
VIN: 3GTUUFE88TG127988
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Simpson Buick GMC of Buena Park review
Update to my original review
Ok so I am sure my 1st review is not gonna be deleted but I have a new review for them as they have addressed my concerns and Because of 1 persons actions I am completely satisfied with the repairs and commitment that JOHN in service has made sure I was completely satisfied with the repairs so a big THANK YOU to John and anyone else who worked on this I will definitely be taking my truck back for service
New
2026 GMC Sierra 1500 AT4X
$82,439
MSRP $84,189
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 126342
VIN: 3GTUUFEL4TG126342
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Simpson Buick GMC of Buena Park review
Good experience
Great experience. Simple and easy. Great staff. Definitely would recommend.
New
2026 GMC Sierra 1500 AT4X
$82,934
MSRP $84,684
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 143939
VIN: 3GTUUFEL3TG143939
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Simpson Buick GMC of Buena Park review
Great service
Great service friendly and helpful had my Yukon worked on warranty service Ceasar Rivas was helpful and took the time to call me on every step.
New
2026 GMC Sierra 1500 AT4X
$82,635
MSRP $84,385
Hardin Buick GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 26T18692
VIN: 3GTUUFEL2TG118692
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Hardin Buick GMC review
Professional and courteous!
Fantastic dealership with professional and courteous staff.
New
2026 GMC Sierra 1500 AT4X
$82,934
MSRP $84,684
$1,750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Sterling
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 128196
VIN: 3GTUUFEL7TG128196
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Simpson Buick GMC of Buena Park review
minhphm9@yahoo.com
Good job, Great service, thank you. I will alway bring my car here
New
2026 GMC Sierra 1500 AT4X
$84,684
MSRP $84,684
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Sterling
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 143938
VIN: 3GTUUFEL1TG143938
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Simpson Buick GMC of Buena Park review
Great customer service!
Great customer service! Luis and Robert Salinas were AWESOME throughout the whole buying process . I would definite recommend this dealer to anyone looking to buy a great vehicle along with excellent customer service .
New
2026 GMC Sierra 1500 AT4X
$82,439
MSRP $84,189
$1,750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 126829
VIN: 3GTUUFELXTG126829
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$82,439
MSRP $84,189
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 126823
VIN: 3GTUUFEL9TG126823
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$80,544
MSRP $82,294
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 128801
VIN: 3GTUUFE84TG128801
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$81,039
MSRP $82,789
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 127834
VIN: 3GTUUFE83TG127834
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$82,934
MSRP $84,684
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 128191
VIN: 3GTUUFEL8TG128191
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$82,934
MSRP $84,684
$1,750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Sterling
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: D128195
VIN: 3GTUUFEL5TG128195
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$82,635
MSRP $84,385
Hardin Buick GMC
Vehicle information
Ext. color: Sterling
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 26T25457
VIN: 3GTUUFEL5TG125457
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Hardin Buick GMC review
Review
Professional and superb customer service. Was dealing with a check engine light. They go out the way to make sure customer is taken care off.
New
2026 GMC Sierra 1500 AT4X
$80,544
MSRP $82,294
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 128800
VIN: 3GTUUFE82TG128800
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$82,934
MSRP $84,684
$1,750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Sterling
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: Z127994
VIN: 3GTUUFEL8TG127994
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$81,039
MSRP $82,789
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Sterling
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: D127836
VIN: 3GTUUFE87TG127836
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$82,439
MSRP $84,189
$1,750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: 126826
VIN: 3GTUUFEL4TG126826
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4X
$85,862
MSRP $89,400
Costa Mesa GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: S16263
VIN: 3GTUUFE80TG136037
Features
Convenience:
Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Costa Mesa GMC review
The prices attracted me.
The prices attracted me. The customer service and experience/ level of knowledge was not great. There was an inconsistency of dealership policy. It would be nice to get a car for the price you expect. I felt forced to purchase items I did not want
New
2026 GMC Sierra 1500 AT4X
$80,245
MSRP $81,995
Hardin Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 26T36234
VIN: 3GTUUFE82TG136234
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Hardin Buick GMC review
Had to get some warranty repairs done.
Had to get some warranty repairs done. Jeff took care of all the processing and we were informed about the progress from start to finish. Professional, courteous customer service.
New
2026 GMC Sierra 1500 AT4X
$82,635
MSRP $84,385
Costa Mesa GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
MPG:
19-20
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.2L V8 16V GDI OHV
Stock #: S16242
VIN: 3GTUUFEL4TG118385
Features
Convenience:
Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Remote Start
Entertainment:
Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Automatic Emergency Braking, Backup Camera, Brake Assist, 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 AT4X
AT4X shown.
- Seating
- 5
- Door count
- 4
- Drivetrain
- Four Wheel Drive
- Combined MPG
- 19
- 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 AT4X cost?
The 2026 GMC Sierra 1500 AT4X price depends on optional features. Prices typically start at $79,400.
What is the MPG of the 2026 GMC Sierra 1500 AT4X?
The 2026 GMC Sierra 1500 AT4X offers up to 19 MPG in city driving and 20 MPG on the highway for a combined rating of 19 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 AT4X?
The 2026 GMC Sierra 1500 AT4X compares to and/or competes against the following vehicles:
AT4X (1 style)
| Style |
|---|
| 4WD Crew Cab 147" AT4X |
| Inventory price |
| Starting at $79,400 |
| Combined MPG |
| 19 |
| Engine |
| 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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68 listings starting at $54,669
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47 listings starting at $66,010
-
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43 listings starting at $78,893
-
GMC Sierra 1500 2026 AT4
21 listings starting at $67,242
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