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] at 5300 rpm, 305 lb-ft of torque [413 Nm] at 3900 rpm)
Rear axle, 3.23 ratio (Standard and only available on (LV3) 4.3L EcoTec3 V6 engine with 2WD models.)