This 2006 GMC Sierra sports a 5.3 liter - 310 horsepower V-8 which is plenty of power to tow just about anything you have. Along ith a powerful motor it also has two-tone paint, heavy duty rear locking differential with gas saving 3:42 gears, 17" aluminum wheels and brand new Goodyear tires, heavy duty trailering equipment package, heavy duty transmission oil cooler, steering wheel radio controls, keyless entry, tinted windows, chrome bodyside moldings, overhead console, power seat drivers side, dual zone climate control, factory wheel flares, heated turn signal mirrors, new front rotors and pads, and the popular Z71 off road package. A lot of truck for the money.......