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New and used
2026 GMC Sierra 1500 AT4 trucks
for sale
near
Irwindale, CA
30 matches
30 miles from 91706
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
$65,242
MSRP $72,860
$6,618 price drop
Hardin Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 26T33115
VIN: 1GTUUEE89TZ133115
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, 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 AT4
$70,614
MSRP $72,364
$750 price drop
Simpson Buick GMC of Buena Park
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 24V DDI DOHC Turbo Diesel
Stock #: 108039
VIN: 3GTUUEE84TG108039
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, 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 AT4
$65,702
MSRP $73,355
$6,653 price drop
Hardin Buick GMC
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 24V DDI DOHC Turbo Diesel
Stock #: 26T33542
VIN: 1GTUUEE86TZ133542
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, 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 AT4
$70,614
MSRP $72,364
$750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Sterling
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 107972
VIN: 3GTUUEE80TG107972
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, 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 AT4
$70,119
MSRP $71,869
$750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 107244
VIN: 3GTUUEE80TG107244
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, 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 AT4
$72,029
MSRP $73,779
$750 price drop
Simpson Buick GMC of Buena Park
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 24V DDI DOHC Turbo Diesel
Stock #: 103088
VIN: 3GTUUEE83TG103088
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, 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 AT4
$70,614
MSRP $72,364
$750 price drop
Simpson Buick GMC of Buena Park
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 24V DDI DOHC Turbo Diesel
Stock #: D107872
VIN: 3GTUUEE87TG107872
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, 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 AT4
$70,119
MSRP $71,869
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 107274
VIN: 3GTUUEE89TG107274
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$71,534
MSRP $73,284
$750 price drop
Simpson Buick GMC of Buena Park
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
MPG:
22-26
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 3.0L I6 24V DDI DOHC Turbo Diesel
Stock #: 102138
VIN: 3GTUUEE89TG102138
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$70,614
MSRP $72,364
Simpson Buick GMC of Buena Park
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 24V DDI DOHC Turbo Diesel
Stock #: 107677
VIN: 3GTUUEE89TG107677
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Navigation System, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio
Exterior:
Alloy Wheels, Tow Hitch
Safety:
Brake Assist, Stability Control
Seating:
Leather Seats, Memory Seat
There are additional matching cars outside your search area.
Partial matches are generated by applying your search criteria to a larger search area. Our goal is to help you discover additional cars that match your search preferences.
As a benefit to some of our dealer customers, we display their listings first.
New
2026 GMC Sierra 1500 AT4
$70,002
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260076
VIN: 1GTUUEE87TZ135168
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$69,902
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260055
VIN: 1GTUUEE87TZ125448
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$70,002
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260073
VIN: 1GTUUEE80TZ135206
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$69,902
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260053
VIN: 1GTUUEE86TZ125084
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$73,255
Temecula Valley Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260120
VIN: 1GTUUEE86TZ149191
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, Tow Hitch, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$70,002
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260069
VIN: 1GTUUEE87TZ131914
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$70,002
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260068
VIN: 1GTUUEE85TZ131815
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$69,507
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260077
VIN: 1GTUUEE88TZ135163
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$69,407
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260066
VIN: 1GTUUEE83TZ126967
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
New
2026 GMC Sierra 1500 AT4
$70,007
$750 price drop
Temecula Valley Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-26
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: G260075
VIN: 1GTUUEE86TZ135307
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, Tow Hooks
Safety:
Automatic Emergency Braking, Backup Camera, Blind Spot Monitor, Brake Assist, LED Headlights, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
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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.
**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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