Engine, 4.3L FlexFuel EcoTec3 V6 with Active Fuel Management, Direct Injection and Variable Valve Timing includes aluminum block construction with FlexFuel capability, capable of running on unleaded or up to 85% ethanol (285 hp [212 kW] @ 5300 rpm, 305 lb-ft of torque [413 Nm] @ 3900 rpm)
Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking
Rear axle, 3.42 ratio (Standard on 4WD (LV3) 4.3L EcoTec3 V6 engine. Available with (L83) 5.3L EcoTec3 V8 engine.)
GVWR, 7100 lbs. (3221 kg) (Requires 4WD models and (LV3) 4.3L EcoTec3 V6 engine.)
Vehicle control, hill descent
Transfer case, electronic Autotrac with rotary dial control (Included with 4WD models only.)
Differential, heavy-duty locking rear
Cooling, external engine oil cooler
Air cleaner, high-capacity
Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr, maintenance-free with rundown protection and retained accessory power
Underbody shield, transfer case protection (Requires 4WD models.)
Frame, fully-boxed, hydroformed front section
Z71 Package, Off-Road includes monotube Rancho brand shocks, (K47) air cleaner, (JHD) Hill Descent Control, (NZZ) underbody shield on 4WD models and (V76) recovery hooks. Also includes brushed metal Z71 door sill plate, unique Z71 gauge cluster, unique finish interior trim plates, unique lower bumper appearance, unique grille design with Z71 badge and Z71 pickup box decals (Includes (Z82) Trailering Package, (G80) locking rear differential and (RC3) AT 17" tire and (Q5U) 17" bright machined wheel. Upgradeable to (RD1) 18" bright machined wheels, (RD4) 20" polished-aluminum wheels or 22" LPO wheels.)
Steering, Electric Power Steering (EPS) assist, rack-and-pinion
Brakes, 4-wheel disc with DURALIFE rotors, 4-wheel antilock
Exhaust, aluminized stainless-steel muffler and tailpipe