Clean CARFAX. Quicksilver Metallic 2020 GMC Sierra 1500 SLT RWD 8-Speed Automatic EcoTec3 5.3L V8 8-Speed Automatic, Jet Black Leather. We have just one goal here at Royal Buick GMC. We are dedicated to helping new and used shoppers like you find the best option for you and your family. Visit us in BATON ROUGE at Royal Buick GMC now and experience our top-class customer service yourself! If the dealerships in your neighborhood do not have the model you are looking for, head to Royal Buick GMC in BATON ROUGE now! We will make sure that we satisfy your expectations and let you leave with a happy face. Drop by and learn why BATON ROUGE and Hammond, LA Buick and GMC customers prefer us for a vehicle purchase! Recent Arrival! Odometer is 10254 miles below market average! Terrance Scott General Manager cell phone 225-747-0173.