Engine: Vortec 4.2L in-line six-cylinder with 291 hp and 277 lb.-ft. of torque.
The Vortec 4.2L six-cylinder engine delivers 291 hp at 6000 rpm and 277 lb.-ft. of torque at 4800 rpm.
Transfer Case: Autotrac includes automatic 4WD and panel-mounted controls; 4WD only (standard on 4WD models)
When you engage the automatic 4WD mode, the system detects wheel slippage and automatically transfers torque to the front wheels for enhanced traction and then returns to two-wheel drive as conditions warrant. You may also choose to engage 4WD on a full-time basis.