CARFAX 1-Owner. EPA 23 MPG Hwy/20 MPG City! AT4 trim. Heated/Cooled Seats, Dual Zone A/C, Remote Engine Start, Satellite Radio, Premium Sound System, Back-Up Camera, Heated Rear Seat, 4x4, Bed Liner, LPO, OFF-ROAD HIGH CLEARANCE STEP. KEY FEATURES INCLUDE 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Back-Up Camera, Premium Sound System, Satellite Radio, Trailer Hitch, Remote Engine Start, Dual Zone A/C. Privacy Glass, Keyless Entry, Steering Wheel Controls, Electronic Stability Control. GMC AT4 with Summit White exterior and Jet Black with Kalahari accents interior features a Straight 6 Cylinder Engine with 277 HP at 3750 RPM*. OPTION PACKAGES LPO, OFF-ROAD HIGH CLEARANCE STEP (dealer-installed), 3 YEARS OF ONSTAR & CONNECTED SERVICES PLAN see onstar.com for information. AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window and (KSG) Adaptive Cruise Control, WHEELS, 20 X 9 (50.8 CM X 22.9 CM) MACHINED ALUMINUM with Carbon Grey Metallic accents, LPO, ALL-WEATHER FLOOR LINERS, 1ST AND 2ND ROWS (includes AT4 logo), AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN, 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, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (STD), ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (277 hp 206.6 kW @ 3750 rpm, 460 lb-ft of torque 623.7 N-m @ 1500 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.) (STD), TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking (STD). AFFORDABLE TO OWN This Sierra 1500 is priced $6,200 below J.D. Power Retail. PURCHASE WITH CONFIDENCE CARFAX 1-Owner Pricing analysis performed on 6/1/2026. Horsepower calculations based on trim engine configuration. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.