Engine, Vortec 5300 V8 SFI (295 HP [219.7 kW] @ 5200 rpm, 335 lb.-ft. [452.3 N-m] @ 4000 rpm) (Standard on C*15953 Models and C*15543 Models only. Included with (PDU) Light Duty Power Package.- Not available with CK15753 Models unless (NYS) 4-wheel steering is ordered)AutomaticFour Wheel Drive
Engine, Vortec 5.3L V8 SFI Flex-Fuel with Active Fuel Management, capable running on unleaded or up to 85% ethanol (310 hp [231.1 kW] @ 5200 rpm, 335 lb-ft of torque [452.3 N-m] @ 4400 rpm), aluminum block (Requires 4x4 1/2 ton models.)AutomaticFour Wheel Drive
94,462 miEngine, Vortec 5.3L V8 SFI FlexFuel 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 4WD models. Available on 2WD 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.