•  Engine, 4.3L FlexFuel EcoTec3 V6 with Active Fuel Management, Direct Injection and Variable Valve Timing includes aluminum block construction with (FHS) E85 FlexFuel capability, capable of running on unleaded or up to 85% ethanol (285 hp [212 kW] @ 5300 rpm, 305 lb-ft of torque [413 Nm] @ 3900 rpm) (Includes (FHS) E85 FlexFuel capability. Not available on C*15743 models. On 1LT and 2LT models not available with (G1K) Deep Ocean Blue Metallic or (GPA) Graphite Metallic on C*1**53 Double Cab models.)
•  Transmission, 6-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking
•  Rear axle, 3.42 ratio (Standard on 4WD (LV3) 4.3L EcoTec3 V6 engine. Available with (L83) 5.3L EcoTec3 V8 engine. Required with (PDE) LT eAssist Package on CK15543 Crew Cab models.)
•  Pickup box
•  GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab or Double Cab 4WD models and (LV3) 4.3L EcoTec3 V6 engine.)
•  Transfer case, electronic Autotrac with rotary dial control (Included with 4WD models only.)
•  Four wheel drive
•  Cooling, external engine oil cooler
•  Battery, heavy-duty 730 cold-cranking amps/70 Amp-hr, maintenance-free with rundown protection and retained accessory power
•  Alternator, 150 amps
•  Frame, fully-boxed, hydroformed front section
•  Steering, Electric Power Steering (EPS) assist, rack-and-pinion
•  Brakes, 4-wheel disc with DURALIFE rotors, 4-wheel antilock
•  Capless Fuel Fill
•  Exhaust, aluminized stainless-steel muffler and tailpipe