173,000 miEngine, Vortec 4.3L V6 MFI (195 hp [145.4 kW] @ 4600 rpm, 260 lb-ft of torque [351.0 N-m] @ 2800 rpm) (Requires T*10*03 or TC10753 models. Standard with T*10*03 or TC10753 models. Not available with (VYU) Snow Plow Prep Package or (Z82) Trailering package.)AutomaticRear Wheel Drive#1215
138,131 miEngine, 3.9L V6 SFI FlexFuel capable of running on unleaded or up to 85% ethanol (227 hp [163.9 kW] @ 5700 rpm, 237 lb-ft of torque [321.1 N-m] @ 3200 rpm) (50 state certification requires (NC7) override. Not available in California (YF5), Connecticut, New York, Vermont, Massachusetts, New Jersey, Maine, Oregon, Pennsylvania, Rhode Island, or Washington states (NE1))AutomaticFront Wheel Drive#1223
*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.