Engine, 3.6L Variable Valve Timing V6 with SIDI (Spark Ignition Direct Injection) (312 hp [232.6 kW] at 6500 rpm, 278 lb-ft of torque [375.3 N-m] at 5100 rpm)
Axle, 3.27 ratio
Rear wheel drive
Alternator, 150 amps
Battery, maintenance-free with rundown protection and retained accessory power
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] at 5300 rpm, 305 lb-ft of torque [413 Nm] at 3900 rpm) (Includes (FHS) E85 FlexFuel capability. Not available on C*15743 models.)
Rear axle, 3.23 ratio (Standard and only available on (LV3) 4.3L EcoTec3 V6 engine with 2WD models.)
Pickup box
GVWR, 6900 lbs. (3130 kg) (Crew Cab and Double Cab requires 2WD models and (LV3) 4.3L EcoTec3 V6 engine.)
Engine, 5.3L V8 EcoTec3 with Active Fuel Management, Direct Injection and Variable Valve Timing includes aluminum block construction (355 hp [265 kW] at 5600 rpm, 383 lb-ft of torque [518 N-m] at 4100 rpm)
Rear axle, 3.08 ratio (Not available with (NHT) Max Trailering Package.)
Suspension Package, Magnetic Ride Control road sensing electronically controlled shock absorbers