Delivers 27 Highway MPG and 23 City MPG! This GMC Sierra 1500 delivers a Turbocharged Diesel I6 3.0L/ engine powering this Automatic transmission. SLT PREMIUM PACKAGE includes (PCY) SLT Convenience Package, (NZD) 20 Polished aluminum wheels, (BVT) Chrome assist steps., SLT PREFERRED PACKAGE Includes (KSG) Adaptive Cruise Control, (A48) rear sliding power window, (UG1) Universal Home Remote and (KA6) heated second row outboard seats, SLT PREFERRED EQUIPMENT GROUP Includes Standard Equipment.*This GMC Sierra 1500 Comes Equipped with These Options *SIERRA SAFETY PLUS PACKAGE includes (UD5) Front and Rear Park Assist, (UFB) Rear Cross Traffic Braking, (UKK) Rear Pedestrian Alert, (TRG) Trailer Camera Provisions, (UKV) Trailer Side Blind Zone Alert and (UV2) HD Surround Vision (Includes (HS1) Safety Alert Seat., MAX TRAILERING PACKAGE includes 9.76 rear axle, (GU6) 3.42 axle ratio, enhanced cooling radiator, revised shock tuning for increased control, heavier duty rear springs, increased RGAWR and (KW5) 220-amp alternator , JET BLACK, PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEAT TRIM, 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., DOWNPOUR METALLIC, Wireless, Apple CarPlay / Wireless Android Auto, Wipers, front rain-sensing, Windows, power rear, express down, Windows, power front, drivers express up/down, Window, power front, passenger express up/down.*Know You're Making a Reliable Purchase *Carfax reports: 10 Service Records.