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New and used 2026 GMC Sierra 2500 AT4 trucks for sale near Adamstown, MD

Filters 5 Year Trim Model Price & payment Make Mileage Ext. color All filters
22 matches 30 miles from 21710
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Est. $400 /mo*
Down Payment
$0
Net trade-in value
$0
Months
72
APR
7.0%
Sales tax
0.0%

Vehicle information

Ext. color: Coastal Dune
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: KCC261049
VIN: 1GT4UPEY8TF128677

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

Koons Clarksville Chevy GMC review

The service team is the best I have encountered in the

The service team is the best I have encountered in the industry. They are true professionals and provide outstanding customer service.

Vehicle information

Ext. color: Titanium Rush 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 #: KTG260820
VIN: 1GT4UPEY4TF152720

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

Koons of Tysons Chevrolet GMC review

Donnavan did an outstanding job servicing my 2025 GMC

Donnavan did an outstanding job servicing my 2025 GMC Sierra. He was professional, efficient, and explained everything clearly. Excellent service experience — I highly recommend him!

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 #: KTG260447
VIN: 1GT4UPEY1TF106018

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

Koons of Tysons Chevrolet GMC review

Pricing was upfront and competitive.

Pricing was upfront and competitive. I appreciated that they weren’t playing games to try to get me in the door - they honored their price and kept things simple.

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 #: KTG260448
VIN: 1GT4UPEY8TF105951

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

Koons of Tysons Chevrolet GMC review

John Barrie kept me updated on my vehicle doing a recall

John Barrie kept me updated on my vehicle doing a recall process if I could give him six stars I would.

Vehicle information

Ext. color: Sterling Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: KCC260942
VIN: 1GT4UPE79TF142031

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

Koons Clarksville Chevy GMC review

Our salesman was Scott.

Our salesman was Scott. Extremely knowledgeable and helpful. Entire experience (bought a 2026 GMC Arcadia) at the dealership was excellent. We moved quickly through the process. Will go back for future vehicles.

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: KCC260895
VIN: 1GT4UPEY0TF135803

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

Koons Clarksville Chevy GMC review

My husband and I were so pleased with our recent purchase

My husband and I were so pleased with our recent purchase of a new truck from Koons in Clarksville. Our sales person Jack was absolutely amazing. From pricing to just plain great customer service we were so pleased. No pressure just a great deal. Thanks Jack. Will definitely share our experience with others.

Vehicle information

Ext. color: Coastal Dune
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: KCC260897
VIN: 1GT4UZEY6TF134165

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

Koons Clarksville Chevy GMC review

We received outstanding customer service from Luis

We received outstanding customer service from Luis Arredondo when buying a 2023 Chevy Bolt, which I am very content with and enjoy driving. The price was reasonable. Luis was always responsive to our inquiries and focused on our needs. I also really appreciate their Sunday sales hours. Service was great in reprinting the key.

Vehicle information

Ext. color: Sterling Metallic
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: KCC260911
VIN: 1GT4UZEY0TF139829

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

Koons Clarksville Chevy GMC review

Kacey B is a fantastic Service Rep !

Kacey B is a fantastic Service Rep !!…No!, the BEST Service rep of my 48 years of buying GM automobiles, and One of the main reasons we like Koons! Parts Dept. and Frank also great to deal with!! And when I need both- fantastic team !! Service is always timely, job is done correctly. Nothing but kudos for this team !! A+

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 #: KTG260441
VIN: 1GT4UPEY7TF105987

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

Koons of Tysons Chevrolet GMC review

Great service , no I’m not writing more words was enough

Great service , no I’m not writing more words was enough Paul was a great at service

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 #: KTG260440
VIN: 1GT4UPEY1TF106066

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

Koons of Tysons Chevrolet GMC review

Great service and friendly people.

Great service and friendly people. Donna an is the best. The SUV is running great.

Vehicle information

Ext. color: Dune
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 #: Z86071
VIN: 1GT4UPEY6TF128239

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, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Sheehy GMC review

Great customer care and very patient

I dealt with Kevin O'Connor and he was outstanding. He understood what I was looking for and was not trying to sway me one way or another, just offered courteous insight. I really appreciated the care and attention of the whole staff.

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 #: Z86058
VIN: 1GT4UPEY8TF118702

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, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Sheehy GMC review

GMC Sierra Depot

Loving my Customizers truck. Just came in for my first oil change. Sales and service is always very friendly and helpful. Logan and Kyle always make sure I am completely satisfied.

Vehicle information

Ext. color: Onyx 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 #: Z86057
VIN: 1GT4UPEYXTF118720

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, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Sheehy GMC review

Whoa!

Whoa! What a great experience buying a car with Chase McCoy. From the initial introduction, through the final (Red Carpet) pictures to complete the delivery, Chase was beyond easy to work with. He was very attentive, far from over bearing, and extremely thorough. Also, Chris Gaston in (Management), structured a phenomenal deal that we were unable to refuse. Both Chase and Chris made car buying extremely easy, and most certainly a very memorable experience. When the need/want arises will not hesitate to buy from Chase McCoy again.

Vehicle information

Ext. color: Sterling
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 #: Z86067
VIN: 1GT4UPEY8TF118716

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, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Sheehy GMC review

Without a doubt, this car buying experience stands out as

Without a doubt, this car buying experience stands out as the best one I've had so far! Having bought more than 10 cars in the past, I can confidently say that Ralph and Anthony were incredibly professional, honest, and patient throughout the entire process. Their approach made us feel like part of the family rather than just another customer, and they were attentive to our family's specific needs. Jessica also made the final steps a seamless process without trying to sell us things we didn’t need! We are absolutely thrilled with our new Acadia! I wouldn't hesitate to recommend Sheehy to everyone I know, and I would gladly return as a repeat customer in the future. Thank you Anthony, Ralph, and Jessica!!!

Vehicle information

Ext. color: Onyx Black
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: KTG260833
VIN: 1GT4UZE79TF147404

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

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 #: KTG260442
VIN: 1GT4UPEYXTF106020

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: Onyx Black
Int. color: Jet Black
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: 10-Speed Automatic
Engine: 6.6L V8 16V GDI OHV
Stock #: B260078
VIN: 1GT4UPE70TF141950

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, Brake Assist, Lane Departure Warning, Rain Sensing Wipers, Rear Cross Traffic Alert, Stability Control
Seating: Leather Seats, Memory Seat

Reviews

Criswell Chevrolet GMC review

Bryan DeCarlo service advisor in service was exceptional,

Bryan DeCarlo service advisor in service was exceptional, since the moment I left my car for service and with all my concerns with warranty issues. He explained to me every step of the way, he called me every day to give me updates. I am beyond thankful I went I and had him as my advisor he told me what was needed after and felt no pressure. I am 100% happy with the service I received and from the team also working with him. He was really professional and polite and really smart at what his job is. I could keep going in bragging of the service I received. Hopefully people think same as me. Trust me I have had enough ther advisors and not even close to this kind of service.

Vehicle information

Ext. color: Summit White
Int. color: Obsidian Rush
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Transmission: Automatic
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: KTG260807
VIN: 1GT4UZE74TF147083

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

Vehicle information

Ext. color: Onyx Black
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Gasoline
Engine: 6.6L V-8 gasoline direct injection, variable valve control, regu
Stock #: KCC260831
VIN: 1GT4UPE70TF128227

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: Titanium Rush Metallic
Int. color: Jet Black w/Kalahari Accents
Drivetrain: Four-wheel Drive
Fuel type: Diesel
Engine: Duramax 6.6L V-8 diesel direct injection, intercooled turbo, die
Stock #: KCC260957
VIN: 1GT4UPEY8TF144751

Features

Convenience: Adaptive Cruise Control, Cooled Seats, Heated Seats, Heated Steering Wheel, Keyless Entry, Keyless Start, Navigation System, Power Folding Mirrors, Remote Start
Entertainment: 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, LED Headlights, 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 2500 AT4

Basics

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)
Side view of the 2026 GMC Sierra 2500 AT4
FAQs

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:


Trims

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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