The Sierra Grande is living proof that new GM trucks can fit 40-inch tires—with the help of AEV. We wish, however, that it was a living offering in GMC dealers. Motortrend.com ...

Ever wondered how the GMC Sierra 1500 got is name? Or why a 1/2-ton pickup can carry almost a 2,000 pound payload? General Motors sets the record straight. For starters, the Sierra name was first ...