42,076 miEngine, 5.3L EcoTec3 V8 with Active Fuel Management, Direct Injection and Variable Valve Timing includes aluminum block construction (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)AutomaticFour Wheel Drive
266,659 miEngine, Vortec 4.8L Variable Valve Timing V8 SFI FlexFuel capable of running on unleaded or up to 85% ethanol (302 hp [225.2 kW] @ 5600 rpm, 305 lb-ft torque [411.8 N-m] @ 4600 rpm), iron block (Standard on all models except C*10953 Models. Not available on C*10953 models.)AutomaticFour Wheel Drive
*These estimates reflect new EPA methods beginning with 2008 models. Your actual mileage will vary depending on how you drive and maintain your vehicle. Actual mileage will vary with options, driving conditions, driving habits and vehicle's condition. Mileage estimates may be derived from previous year model.