Exhaust, aluminized stainless-steel muffler and tailpipe
Frame, fully-boxed, hydroformed front section
Rear axle, 3.08 ratio (Requires (L83) 5.3L EcoTec3 V8 engine. Not available with (RD2) chrome wheels or (RD4) 20" polished-aluminum wheels.)
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Transfer case, electronic Autotrac with rotary dial control (Included with 4WD models only.)
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power
Brakes, 4-wheel disc with DURALIFE rotors, 4-wheel antilock
Cooling, external engine oil cooler
Engine, 5.3L FlexFuel EcoTec3 V8 with Active Fuel Management, Direct Injection and Variable Valve Timing includes aluminum block construction with Flex Fuel capability, capable of running on unleaded or up to 85% ethanol (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)
Four wheel drive
GVWR, 7200 lbs. (3266 kg) (Requires 4WD models and (L83) 5.3L EcoTec3 V8 engine or (L86) 6.2L EcoTec3 V8 engine. Required with (NHT) Max Trailering Package on 2WD or 4WD models.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
Suspension Package, Handling/Trailering
Safety Features
Air bags, dual-stage frontal and side-impact, driver and front passenger and head-curtain and seat-mounted side-impact, front and rear outboard seating positions with Passenger Sensing System (Always use safety belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Rear Vision Camera with dynamic guide lines
Daytime Running Lamps with automatic exterior lamp control
Tire Pressure Monitoring System (does not apply to spare tire)