Buying a new or used car for sale is easier when you know an Aurora | Denver area Buick Dealer | GMC Dealer | EV Dealer | Used Car dealer with a huge selection of cars, trucks, and SUVs! Shortline Buick GMC in Aurora sells new Buick Encore GX, Envision & Buick Enclave, and GMC Sierra 1500, Sierra 2500HD, Sierra 3500HD, Terrain, Acadia, Sierra EV, and GMC Hummer EV SUV & EV SuperTruck. Shortline Used Cars has hundreds of cars, trucks, SUVs - many low mileage, 1-owner vehicles. Shoppers from Denver, Colorado & surrounding states visit Shortline Used cars for excellent values! Shortline Buick GMC offers certified GM service, parts, collision repair, body shop and financing for Colorado drivers.