
2026 GMC Sierra 2500HD
Mileage: 1 · Plattsburgh, NY
2026 GMC Sierra 2500HD AT4 Crew Cab 4WD
Plattsburgh, NY
$78,230
MSRP
Dealer rating
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Features
Mileage
1
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Jet Black with Kalahari accents, Perforated Front
Engine
401 hp 6.6L V8
Fuel type
Gasoline
Transmission
Automatic
Alloy wheels
Finance in advance
Overview
- Make:GMC
- Model:Sierra 2500HD
- Year:2026
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black with Kalahari accents, Perforated Front
- Mileage:1 mi
- Condition:New
- VIN:1GT4UPE79TF266543
- Stock number:260170
Fuel economy
- Fuel tank size:35 gal
- Fuel type:Gasoline
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:401 hp 6.6L V8
- Horsepower:401 hp
Safety
- ABS Brakes
- Blind Spot Monitoring
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Parking Sensors
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:82 in
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
Pricing

No price changes
40 days at this dealership
Dealer

Dealer reviews
Dealer's description
Onyx Black 2026 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic 6.6L V8 At Brennan Buick GMC, we're here for you throughout the life of your vehicle. If you're in the market for a new or used truck, SUV, or car, visit our dealership to see the best that Brennan Buick GMC has to offer. Recent Arrival! Price includes: $1000 - Purchase Allowance. Exp. 06/01/2026
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