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New and used
2026 GMC Sierra 2500 AT4 trucks
for sale
near
Harmony, NJ
29 matches
30 miles from 18063
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 2500 AT4
$78,710
$1,000 price drop
Star GMC of Easton
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: 461332
VIN: 1GT4UPE71TF123070
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Easton review
Good dealer for service; I haven't bought a car here, but
Good dealer for service; I haven't bought a car here, but I get my 2 Buicks serviced here. They are fast and courteous, and really know their stuff.
New
2026 GMC Sierra 2500 AT4
$89,410
MSRP $89,910
Kelly Buick GMC
Vehicle information
Ext. color: Summit White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: G265014
VIN: 1GT4UPEY6TF101848
Features
Convenience:
Adaptive Cruise Control, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, 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, Blind Spot Monitor, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Kelly Buick GMC review
Great service
Great experience, would highly recommend this dealership. Mike Y And Crystal are the best
New
2026 GMC Sierra 2500 AT4
$88,730
$500 price drop
Star GMC of Quakertown
Vehicle information
Ext. color: Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: Q460388
VIN: 1GT4UPEY1TF142923
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Quakertown review
Bought a few cars from this dealership.
Bought a few cars from this dealership. Great customer service and the staff is always friendly.
New
2026 GMC Sierra 2500 AT4
$89,565
Sawyer Lyons Buick GMC of Randolph
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: 326193
VIN: 1GT4UPEY1TF136023
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®, 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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Sawyer Lyons Buick GMC of Randolph review
Requested review
Bluetooth/wifi issue....hardware replaced in a timely manner i hope it works....too much technology
New
2026 GMC Sierra 2500 AT4
$89,875
$500 price drop
Star GMC of Quakertown
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: Q460367
VIN: 1GT4UPEY1TF136037
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Quakertown review
Easiest car buying experience.
Easiest car buying experience. Wouldn’t dream of going anywhere else. Thanks to everyone involved!
New
2026 GMC Sierra 2500 AT4
$89,280
$500 price drop
Star GMC of Quakertown
Vehicle information
Ext. color: Gray
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: Q460373
VIN: 1GT4UPEY0TF140385
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Quakertown review
The team at Star is absolutely amazing!
The team at Star is absolutely amazing! My family has bought multiple cars from them and every time we are treated with the upmost professionalism. The deals are always extremely fair especially with the lifetime warranty that is given.
New
2026 GMC Sierra 2500 AT4
$87,855
$1,000 price drop
Star GMC of Easton
Vehicle information
Ext. color: Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: 461343
VIN: 1GT4UPEYXTF130799
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Easton review
Buying process went seamlessly.
Buying process went seamlessly. Test drove one day, ordered one the next. Andrew found what we wanted and we bought it. It was ready in a few days.
New
2026 GMC Sierra 2500 AT4
$88,700
$1,000 price drop
Star GMC of Easton
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: 461326
VIN: 1GT4UPEY0TF116801
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Easton review
Friendly service; sales staff is superb.
Friendly service; sales staff is superb. I won?t go anywhere else! I never feel pressured or that I?m being taken. The car buying experience is the best!
New
2026 GMC Sierra 2500 AT4
$77,200
$1,000 price drop
Star GMC of Easton
Vehicle information
Ext. color: Gray
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: 461360
VIN: 1GT4UPE79TF134933
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Easton review
Star GMC & Tyler S are absolutely the best in the
Star GMC & Tyler S are absolutely the best in the business! Tyler told me the truth about pricing, gave me an amazing deal, so I took an Uber from NJ to pick up my truck. Hands down the best dealership I have ever worked with. You are crazy if you go anywhere else!
New
2026 GMC Sierra 2500 AT4
$89,620
$500 price drop
Star GMC of Quakertown
Vehicle information
Ext. color: Red
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: Q460377
VIN: 1GT4UPEY2TF146060
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Quakertown review
Great Staff and Great Product!
Great Staff and Great Product! Only place I go for sales and service! Highly Recommended!
New
2026 GMC Sierra 2500 AT4
$87,790
$500 price drop
Star GMC of Quakertown
Vehicle information
Ext. color: White
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: Q460389
VIN: 1GT4UPEY8TF142899
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Quakertown review
Honest and very transparent.
Honest and very transparent. Everything was explained in detail and the staff was very friendly. Highly recommend Star for all your truck needs.
New
2026 GMC Sierra 2500 AT4
$76,380
$2,500 price drop
Abeloff Nissan
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: G26092
VIN: 1GT4UPE74TF128652
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
Abeloff Nissan review
Needed a car door.
The salesman did a great job and even though I didn't buy the car I was interested in, it was because the salesman had the integrity not to sell it to me as soon as he learned there was a transmission issue with it. The honesty was refreshing.
New
2026 GMC Sierra 2500 AT4
$76,380
$2,500 price drop
Abeloff Nissan
Vehicle information
Ext. color: Summit White
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: G26081
VIN: 1GT4UPE78TF120344
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, 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
Abeloff Nissan review
I had great experience with Eric Pena at Abeloff
I had great experience with Eric Pena at Abeloff Nissan. He did good in getting all the necessary arrangements and document processes done for me to get my Nissan car. I'm excited to buy this car from this dealership with the help of Eric and everyone there. The workers have nice smiles to catch your attention and I love that about them.
Vehicle information
Ext. color: Volcanic Red Tintcoat
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: G26085
VIN: 1GT4UPE79TF123592
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
Abeloff Nissan review
We went to Abeloff Nissan in Bartonsville, PA to buy a
We went to Abeloff Nissan in Bartonsville, PA to buy a new-to-us vehicle. Our salesman, David Johnson, made it one of the best car buying experiences of my life. I never felt pressure to just buy something. I never felt obligated to accept something I didn't love. He worked very hard to get something we could afford. The sales manager, Nate, did everything he could for us as well. We left with a 2021 Nissan Rogue and we love the car and we're happy with the deal.
New
2026 GMC Sierra 2500 AT4
$87,410
$2,500 price drop
Abeloff Nissan
Vehicle information
Ext. color: Coastal Dune
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: G26074
VIN: 1GT4UPEY2TF118484
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
Abeloff Nissan review
Had an absolutely great experience here.
Had an absolutely great experience here. Made an appt to see a used truck. Truck was ready to go when I got there. They even sent me a video before I arrived. No crazy hidden fees and I was out with a detailed truck within two hours. The entire team was exceptional!
Vehicle information
Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: G26147
VIN: 1GT4UZEYXTF109804
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®, HomeLink, 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
Abeloff Nissan review
We found a vehicle in an ad and went to see what kind of
We found a vehicle in an ad and went to see what kind of deal we could make. Truly this place is loaded with caring professionals. They offer great deals and are upfront with the out the door costs.
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: G26088
VIN: 1GT4UPEY2TF125869
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, 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 2500 AT4
$87,410
$2,500 price drop
Abeloff Nissan
Vehicle information
Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: G26062
VIN: 1GT4UPEY8TF108140
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, 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 2500 AT4
$90,905
Sawyer Lyons Buick GMC of Randolph
Vehicle information
Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: Automatic
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: 326189
VIN: 1GT4UPEY7TF134647
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®, 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, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Sawyer Lyons Buick GMC of Randolph review
George is the best?.
George Gregory got us into the right car?.the process was painless. George was friendly and professional. This is our third car with SL and we?ll be back for our fourth.
New
2026 GMC Sierra 2500 AT4
$88,700
$1,000 price drop
Star GMC of Easton
Vehicle information
Ext. color: Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Transmission: 10-Speed Automatic
Engine: 6.6L V8 32V DDI OHV Turbo Diesel
Stock #: 461349
VIN: 1GT4UPEY7TF130792
Features
Convenience:
Adaptive Cruise Control, Heated Steering Wheel, Keyless Start, Remote Start
Entertainment:
Bluetooth®, Premium Sound System, Satellite Radio, USB Port
Exterior:
Alloy Wheels, Sunroof/Moonroof, Tow Hitch
Safety:
Backup Camera, Brake Assist, Lane Departure Warning, Rear Cross Traffic Alert, Stability Control
Seating:
Leather Seats, Memory Seat
Reviews
Star GMC of Easton review
I am not a regular customer but they squeezed me in
I am not a regular customer but they squeezed me in quickly for a new battery. Job was done quickly and successfully. Kudos!!!!
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About the 2026 GMC Sierra 2500 AT4
AT4 shown.
- Seating
- 5
- Door count
- 4
- Drivetrain
- Four Wheel Drive
- Combined MPG
- 0
- Transmission
- 10-Speed A/T
- Engine
- 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel)
How much does the 2026 GMC Sierra 2500 AT4 cost?
The 2026 GMC Sierra 2500 AT4 price depends on optional features. Prices typically start at $71,600.
What are some similar vehicles and competitors of the 2026 GMC Sierra 2500 AT4?
The 2026 GMC Sierra 2500 AT4 compares to and/or competes against the following vehicles:
AT4 (2 styles)
| Style | |
|---|---|
| 4WD Crew Cab 172" AT4 | 4WD Crew Cab 159" AT4 |
| Inventory price | |
| Starting at $71,800 | Starting at $71,600 |
| Combined MPG | |
| 0 | 0 |
| Engine | |
| 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel Fuel) | 470.0-hp, 6.6-liter, 8 Cylinder Engine (Diesel 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.