2011 GMC Sierra 1500 2WD Crew Cab 143.5 SLE

Pickup box, Wideside
Frame, fully-boxed, hydroformed front section
Battery, heavy-duty 600 cold-cranking amps maintenance-free with rundown protection and retained accessory power
Suspension, rear 2-stage multi-leaf springs, semi-elliptic
Transmission, 4-speed automatic, electronically controlled with overdrive and tow/haul mode (On Crew Cab models, requires (L20) Vortec 4.8L V8 SFI Flex-Fuel engine. Not available on T*10953 models.)
Brakes, 4-wheel antilock, front disc/rear drum
Suspension, front independent, coil over shock
Tools, mechanical jack and wheel wrench located in back of cab
Exhaust, aluminized stainless-steel muffler and tailpipe
Steering, power, rack-and-pinion
Suspension Package, Handling/Trailering, heavy-duty includes 46 mm piston monotube shocks and 36mm front stabilizer bar (Includes 36mm front stabilizer bar when (NHT) Max Trailering Pack is ordered.)
SAFETY
Daytime Running Lamps with automatic exterior lamp control
OnStar Turn-by-Turn Navigation (Deleted when (UE0) OnStar delete is ordered.)
Tire Pressure Monitor System (does not apply to spare tire)
Door locks, rear child security. (Crew Cab models only.)
Stolen Vehicle Assistance (Deleted when (UE0) OnStar delete is ordered.)
Automatic Crash Response (Deleted when (UE0) OnStar delete is ordered.)
Air bags, frontal, driver and right-front passenger with Passenger Sensing System (Always use safety belts and the correct child restraints for your child's age and size. Even in vehicles equipped with air bags and the Passenger Sensing System, children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. Never place a rear-facing infant restraint in the front seat of any vehicle equipped with an active frontal air bag. See the Owner's Manual and child safety seat instructions for more safety information.)
Air bags, seat-mounted side-impact, driver and right-front passenger for thorax and pelvic protection (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat outboard occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)
Air bags, head curtain side-impact, front and rear outboard seating positions with rollover sensor (Head curtain side air bags are designed to help reduce the risk of head and neck injuries to front and rear seat outboard occupants on the near side of certain side-impact collisions. Always use safety belts and the correct child restraints for your child's age and size, even in vehicles equipped with air bags. Children are safer when properly secured in a rear seat in the appropriate infant, child or booster seat. See the Owner's Manual and child safety seat instructions for more safety information.)
OnStar, 6 months of Directions and Connections plan includes Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance including Stolen Vehicle Slowdown and Remote Ignition Block, Remote Door Unlock (requires power locks), Turn-by-Turn Navigation with Destination Download (requires navigation radio) and OnStar eNav (where available), OnStar Vehicle Diagnostics, Roadside Assistance, Remote Horn and Lights, and Hands Free Calling. (Visit onstar.com for details and system limitations.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control