Clean CARFAX. CARFAX One-Owner. Cardinal Red 2021 GMC Sierra 1500 SLE RWD 8-Speed Automatic 2.7L Turbo 8-Speed Automatic, Black Cloth. 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! Terrance Scott General Manager cell phone 225-747-0173.