Engine, Vortec 5.3L V8 SFI Flex-Fuel with Active Fuel Management, capable of running on unleaded or up to 85% ethanol (320 hp [238.6 kW] @ 5200 rpm, 340 lb-ft of torque [459.0 N-m] @ 4200 rpm), iron block (Standard on 4x4 models. Available on 2WD models.)AutomaticFour Wheel Drive
49,630 miEngine, 3.6L DOHC V6 DI with Variable Valve Timing (VVT) (305 hp [227.4 kW] @ 6800 rpm, 264 lb-ft of torque [356.4 N-m] @ 5200 rpm) (Includes E85 FlexFuel capability with (FE9) Federal emissions or (YF5/NE1 and NC7) California emissions with the Federal override only.)AutomaticFront Wheel Drive
Engine, Vortec 5.3L Variable Valve Timing V8 SFI FlexFuel with Active Fuel Management capable of running on unleaded or up to 85% ethanol (with gas - 315 hp [234.8 kW] @ 5200 rpm, 335 lb-ft of torque [452.2 N-m] @ 4000 rpm), aluminum block (Requires CK10543 or CK10753 models.)AutomaticFour Wheel Drive
78,614 miEngine, Vortec 5.3L V8 SFI FlexFuel with Active Fuel Management, capable of running on unleaded or up to 85% ethanol (with gas-320 hp [238.6 kW] @ 5200 rpm, 340 lb-ft of torque [459.0N-m] @ 4200 rpm, with E85 ethanol-326 hp [243.1 kW] @ 5300 rpm, 350 lb-ft of torque [472.5 N-m] @ 4400 rpm), iron block (Standard on 4WD models. 2WD models require (K5L) Heavy-Duty Trailering Package.)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.