Windows power rear express down (Not available on Regular Cab models.) Windows power front drivers express up/down Window power front passenger express down Wheels 17 x 8 (43.2 cm x 20.3 cm) 6-spoke Bright Silver painted aluminum Wheel 17 x 8 (43.2 cm x 20.3 cm) full-size steel spare Transmission 8-speed automatic electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Standard on 2WD models equipped with (L84) 5.3L EcoTec3 V8 engine. Available on 4WD models equipped with (L84) 5.3L EcoTec3 V8 engine. Included and only available with (L3B) 2.7L Turbo engine.) Transfer case single speed electronic Autotrac with push button control (4WD models only) Tires 255/70R17 all-season blackwall Tire spare 255/70R17 all-season blackwall (Included with (QBN) 255/70R17 all-season blackwall tires.) Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire). This GMC Sierra 1500 has a strong Gas I4 2.7L/166 engine powering this Automatic transmission.*This GMC Sierra 1500 SLE Has Everything You Want *Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob to help encourage safe driving behavior. It can limit certain available vehicle features and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver Taillamps LED tail and stop light with incandescent reverse light Tailgate standard Tailgate locking utilizes same key as ignition and door Tailgate gate function manual with lift assist Tailgate and bed rail protection caps top Steering Electric Power Steering (EPS) assist rack-and-pinion Steering wheel leather-wrapped Steering wheel audio controls Steering column Tilt-Wheel manual with wheel locking security feature StabiliTrak stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist Seats front 40/20/40 split-bench with covered armrest storage Seat rear 60/40 folding bench (folds up) 3-passenger (includes child seat top tether anchor) Seat adjuster passenger 4-way manual Seat adjuster driver 4-way manual Remote keyless entry Rear Vision Camera Power outlet front auxiliary 12-volt Pickup bed.