This image is a stock photo and is not an exact representation of any vehicle offered for sale. Advertised vehicles of this model may have styling, trim levels, colors and optional equipment that differ from the stock photo.
2025 GMC Sierra 2500HD AT4X
Payment Calculator
Loan Payment
Recent Arrival! Thank you for shopping with Key GMC of Rochester, part of the Key Auto Group Family of Dealerships and home to our Exclusive Key CareVehicle Protection Program offered on every New and Pre-Owned Vehicle. Ask a Key Team Member today how Key Carecan protect your investment for years to come. We believe there is more to buying a vehicle than worrying about the price. For that reason, Key Auto has simplified that process for our customers. When we price a vehicle, we take the following into consideration: 1) market conditions, 2) what the area dealers are selling them for, 3) NADA retail value. This way, when you leave a Key Auto Dealership, youre confident youve received the absolute best deal. 2025 GMC Sierra 2500HD AT4X Onyx Black 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Obsidian Rush Leather. Key GMC of Somersworth is proud to present you with another True Market Priced Vehicle. This 2025 GMC Sierra 2500HD AT4X is loaded with the following Factory Options: 10-Speed Automatic, 4WD, and Obsidian Rush Leather Preferred Equipment Group 4SG (120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium Series 12-Speaker System, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, Front Rain-Sensing Wipers, Gloss Black Header Grille & Grille Insert Bars, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Hill Descent Control, Inside Rearview Auto-Dimming Rear Camera Mirror, Keyless Open & Start, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15Diagonal Head-Up Display, OnStar Services Capable, Power Front Passenger Windows w/Express Up/Down, Power Sliding R
Trim: AT4X
Body Style: Truck
Fuel Type: Bio Diesel
Fuel Capacity: 35.9 gal
Recommended Fuel: n/a
Passenger Seating: 5
OEM Tire: LT305/70R18 126R
Engine: Duramax 6.6L Biodiesel Turbo V8 470hp 975ft. lbs.
Engine HP: 470hp @2800 rpm
Engine Torque: 975 lb-ft. @1600 rpm
Towing Capacity: n/a
Max Towing Capacity**: 18,500 lbs
Max Payload: 3,291 lbs