Engine, 4.3L 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] at 5300 rpm, 305 lb-ft of torque [413 Nm] at 3900 rpm) (Includes (FHS) E85 FlexFuel capability. Not available on T*15743 models.)
Rear axle, 3.23 ratio (Standard and only available on (LV3) 4.3L EcoTec3 V6 engine with 2WD models.)
Pickup box (Deleted when (ZW9) pickup box delete is ordered on Regular Cab models.)
GVWR, 6500 lbs. (2948 kg) (Requires Regular Cab model C15703.)