When you purchase a new GMC vehicle you are backed by GMC Pro Grade Protection. This program provides you with a 5 year/60,000 mile powertrain warranty. When you buy your new GMC at GR GMC, we DOUBLE the protection and provide you with a 10 year/120,000 mile powertrain warranty! With a great selection of quality GMC inventory and a warranty with twice the coverage, GR GMC is the place to buy your next vehicle!