GMC. Our commitment is to push the limits of what is possible. Our dedication is to build professional-grade SUVs, trucks and vans. Our products are purposefully engineered to offer you the highest standards of performance, innovation and versatility. Like you, GMC believes that just being good enough is never enough and jobs worth doing are worth doing well. It is why the 2013 Sierra was built to work smart as well as efficiently. It is why Sierra can offer over 300 horsepower and an EPA-estimated 22 hwy mpg in the same V-8 engine. At GMC, we have always believed in building the right tool for the job. With Sierra, that translates into the widest range of engines of any pickup truck manufacturer. If your towing needs run in the 7,000-10,000 pound range, a compact pickup isnt going to cut it the full-size 2013 GMC Sierra, on the other hand, will. On the surface, GMCs Sierra half-ton pickup for 2013 may look like a Chevy Silverado clone, but dig a little deeper and you will find some subtle and some not-so-subtle differences. The 2013 GMC Sierra displays a more professional appearance, with copious amounts of chrome in the grille and more stylish wheel optionsKelly Blue Book Like you, the 2013 Sierra turns obstacles into achievements, constantly making easy work of your hardest jobs. Enter the cabin and you will find it as accommodating as it is supportive. Out on the road, you will be rewarded with a system of engine technologies that produces robust power. This 2013 SLE Crew Cab features the Texas Edition Package which picks up the 5.3 V-8, the trailering package including a locking rear differential, 20 inch rims, blue tooth for the phone front fog lamps, dual zone AC, steering wheel radio controls and a CD Player with a USB port.