Sierra 2500

AT4X

Spider

AWD4WD

8-Cylinder Turbo

Diesel

Heated Leather Seats, Nav System, Moonroof, 4x4, Turbo Charged Engine, Bed Liner, Hitch, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, Aluminum Wheels. Sterling Metallic exterior and Obsidian Rush interior. AND MORE! KEY FEATURES INCLUDE Leather Seats, Sunroof, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Back-Up Camera, Running Boards, Premium Sound System, Satellite Radio, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C Keyless Entry, Privacy Glass, Steering Wheel Controls, Heated Mirrors, Electronic Stability Control. OPTION PACKAGES ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), AUDIO SYSTEM, 13.4'' DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD), TRANSMISSION, 10-SPEED AUTOMATIC. GMC AT4X with Sterling Metallic exterior and Obsidian Rush interior features a 8 Cylinder Engine with 470 HP at 2800 RPM*. WHO WE ARE Here at Colonial Buick GMC, we work hard to find you the perfect new or used car, truck, SUV, or crossover that best fits your needs. Looking for parts or need an oil change? Colonial Buick GMCs got you covered there too. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase..

New 2026 GMC Sierra 2500 AT4X AWD/4WD

w/ Gooseneck/5th Wheel Prep Package

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