ENGINE 5.3L ECOTEC3 V8 with Active Fuel Management Direct Injection and Variable Valve Timing includes aluminum block construction (355 hp [265 kW] @ 5600 rpm 383 lb-ft of torque [518 Nm] @ 4100 rpm; more than 300 lb-ft of torque from 2000 to 5600 rpm) Windows power with driver express up and down and express down on all other windows Wheels 17 x 8 (43.2 cm x 20.3 cm) premium painted aluminum bright machined Wheelhouse liners rear Wheel full-size spare 17 (43.2 cm) steel Visors driver and front passenger illuminated vanity mirrors Transmission 6-speed automatic electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking Tires P255/70R17 all-season blackwall Tire Pressure Monitoring System (does not apply to spare tire) Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door. This GMC Sierra 1500 has a dependable Gas 5.3L/325 engine powering this Automatic transmission.* Experience a Fully-Loaded GMC Sierra 1500 SLE *Tailgate locking utilizes same key as ignition and door Tailgate EZ-Lift and Lower Tailgate and bed rail protection caps top Steering Electric Power Steering (EPS) assist rack-and-pinion Steering wheel audio controls Steering column manual Tilt-Wheel StabiliTrak stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist Single-slot CD/MP3 player Remote Keyless Entry Rear Vision Camera with dynamic guide lines Rear axle 3.42 ratio (Standard on 4WD V6 models. Available with (L83) 5.3L EcoTec3 V8 engine.) Pickup box Wideside OnStar Directions and Connections plan for 6 months including Automatic Crash Response Stolen Vehicle Assistance Roadside Assistance and Turn-by-Turn Navigation (Services may vary by model and conditions. Term begins upon vehicle delivery. Terms and conditions apply. Visit www.onstar.ca for vehicle availability system limitations and further details.) Mirrors outside heated power-adjustable (includes driver's side spotter mirror) (Body Colour.) Mirror caps body-colour (Deleted when (DPN) power camper mirrors are ordered.) LED Lighting cargo box with switch on centre switch bank Lamps cargo area cab mounted with switch on centre switch bank Instrumentation 6-gauge cluster featuring speedometer fuel level engine temperature tachometer voltage and oil pressure Headlamps halogen projector GVWR 7100 lbs. (3221 kg) (Requires 4WD models and (LV3) 4.3L EcoTec3 V6 engine.).* Expert Reviews!*As reported by KBB.com: If you need a half-ton pickup with the most horsepower and a class-leading 12000-pound trailer rating the 2015 GMC Sierra full-size pickup has you covered. Bigger-than-life styling is augmented by a plush interior and a host of cutting-edge safety and communication features.