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New and used
2026 GMC Sierra 1500 AT4 trucks
for sale
near
Diamondhead, MS
31 matches
30 miles from 39525
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
$68,495
MSRP $74,745
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 36142
VIN: 3GTUUEE87TG146042
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
Mandal Buick GMC Inc. review
Vehicle maintenance
The staff here is EXTREMELY courteous and they are diligent among all things. They are knowledgeable and they Carefully explain everything to their customers!
2026 GMC Sierra 1500 AT4 review
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
$68,495
MSRP $74,745
$6,250 price drop
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 36149
VIN: 1GTUUEE85TZ187995
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
Mandal Buick GMC Inc. review
Bought New GMC Canyon AT4
Visited local dealers that included Ford, Chevy, Nissan and test drove vehicles at each but was surprised by the GMC Canyon. I originally wanted an F150 but price, size and quality issues made me rethink that purchase. I test drove the only available Ranger within 100 miles and did not like it as much as the Canyon. Staff was straight forward. No back and forth. Easiest car buying experience I've ever had.
New
2026 GMC Sierra 1500 AT4
$68,495
MSRP $74,745
$6,250 price drop
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 36155
VIN: 1GTUUEE85TZ189164
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
Mandal Buick GMC Inc. review
I like Mandal Buick/GMC!
I like Mandal Buick/GMC! Jamie has been my service representative since buying my Yukon in 2018! Dang guys! It’s been 6 years and I’m still coming back for service. I also bring my wife’s Yukon in for service here. I highly recommend Mandal!
New
2026 GMC Sierra 1500 AT4
$68,495
MSRP $74,745
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 036159
VIN: 3GTUUEE85TG145892
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
Mandal Buick GMC Inc. review
Mandal GMC and Buick has got their act together!
Mandal GMC and Buick has got their act together! Their service team is all over it - I give Sussie a shout out for your help! I give Ray my Super Man Mechanic that gets it right every time and if something goes wrong he is right there to stand behind his work and make it right! No arguments just how can I help - how can we make it work Mr or Mrs. Not only that they take the time to explain what is wrong with your vehicle! This team is focused, emphatic, and passionate about what they do (taking care of the customer). I can?t say enough! I thank God for guiding me to the team and to Mandal GMC and Buick. My 2018 Chevy Silverado 1500 LTZ, 4x4, with a 6.2 liter has over 350,000 miles on it - it still has the original motor, transmission and drivetrain; but not the original tires, brakes or oil (those things gotta be changed you know - it is called upkeep). My truck still runs like or better than it did the day I bought it brand new! I?m grateful to have met this group of people that Love what they do - helping peoplej Oh great Coffee!
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black with 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 #: 36146
VIN: 1GTUUEE83TZ145535
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
Mandal Buick GMC Inc. review
From beginning to delivery everything was smooth and
From beginning to delivery everything was smooth and upfront. Great communication. Couldn?t have been professional. Jamie and his staff were friendly with me every step of the way
New
2026 GMC Sierra 1500 AT4
$68,000
MSRP $74,250
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Summit White
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 36143
VIN: 3GTUUEE88TG145353
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
$68,000
MSRP $74,250
$6,250 price drop
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Summit White
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 36154
VIN: 1GTUUEE83TZ190099
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
$68,000
MSRP $74,250
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Summit White
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 36141
VIN: 3GTUUEE82TG145459
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
$68,000
MSRP $74,250
Mandal Buick GMC Inc.
Vehicle information
Ext. color: Summit White
Int. color: Jet Black with Kalahari accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 36151
VIN: 3GTUUEE89TG145524
Features
Convenience:
Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment:
Android Auto®, Apple CarPlay®, Bluetooth®, Premium Sound System, Satellite Radio, 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
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1480
VIN: 1GTUUEE81TZ159496
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Legacy GMC review
Lots of inventory, clean n comfortable showroom, salesmen
Lots of inventory, clean n comfortable showroom, salesmen are personable, efficient, knowledgeable, n answered all inquiries
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
15-19
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: 26G1454
VIN: 3GTUUEEL5TG137215
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Legacy GMC review
Great follow up scheduling went perfect.
Great follow up scheduling went perfect. Repairs were done quickly and it looks awesome.
Vehicle information
Ext. color: Volcanic Red Tintcoat
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1451
VIN: 3GTUUEE83TG139797
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Legacy GMC review
Jacob was AWESOME made sure my problem was taken care of!
Jacob was AWESOME made sure my problem was taken care of! Good job Jacob !
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1409
VIN: 1GTUUEE84TZ163901
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Legacy GMC review
took a little while to locate the part but once it came
took a little while to locate the part but once it came in, installation was done to my satisfaction.
Vehicle information
Ext. color: Coastal Dune
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1431
VIN: 1GTUUEE82TZ178333
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Legacy GMC review
Love Jacob!
Love Jacob! He might be my favorite person at the whole dealership. As soon as he sees me drive up, he walks up with a smile on his face.
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1440
VIN: 1GTUUEE82TZ174315
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
15-19
Fuel type: Gasoline
Transmission: Automatic
Engine: EcoTec3 6.2L V-8 gasoline direct injection, variable valve contr
Stock #: 26G1434
VIN: 3GTUUEEL8TG138407
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1443
VIN: 1GTUUEE8XTZ173381
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1564
VIN: 3GTUUEE82TG177571
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1571
VIN: 1GTUUEE86TZ186970
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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Vehicle information
Ext. color: Titanium Rush Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
MPG:
21-24
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 3L I-6 diesel direct injection, DOHC, variable valve con
Stock #: 26G1429
VIN: 1GTUUEE87TZ177601
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, 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.
GMC Sierra 1500 trims
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50 listings starting at $51,500
-
GMC Sierra 1500 2026 Denali
40 listings starting at $61,790
-
GMC Sierra 1500 2026 Pro
28 listings starting at $34,900
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The EV Battery Rating is based on this vehicle's current expected range relative to the vehicles expected range when new. ${battery_badge_text}
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.