Heated Leather Seats, Navigation, Moonroof, 4x4, Turbo Charged, Aluminum Wheels, Bed Liner, LPO, OFF-ROAD HIGH CLEARANCE STEPS, Trailer Hitch. ONYX BLACK exterior and OBSIDIAN RUSH interior. FUEL EFFICIENT 20 MPG Hwy/19 MPG City! AND MORE!<br /><br />KEY FEATURES INCLUDE<br />Leather Seats, Sunroof, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Back-Up Camera, Satellite Radio, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C, Blind Spot Monitor, WiFi Hotspot Privacy Glass, Keyless Entry, Steering Wheel Controls, Heated Mirrors, Electronic Stability Control. <br /><br />OPTION PACKAGES<br />LPO, OFF-ROAD HIGH CLEARANCE STEPS (dealer-installed), 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), ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (305 hp [227 kW] @ 3750 rpm, 495 lb-ft of torque [671 Nm] @ 2750 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), LPO, MULTIPRO AUDIO SYSTEM BY KICKER (dealer-installed). GMC AT4X with ONYX BLACK exterior and OBSIDIAN RUSH interior features a Straight 6 Cylinder Engine with 305 HP at 3750 RPM*. <br /><br />EXPERTS ARE SAYING<br />Great Gas Mileage: 20 MPG Hwy. <br /><br />WHO WE ARE<br />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. <br /><br />Horsepower calculations ba