[待更新] Ross Downing Buick GMC of Gonzales in GONZALES, is proud to serve the Baton Rouge area. Check out our huge inventory of trucks, SUVs and cars. Stop by our dealership today and avail the benefits of our daily deals on new and pre-owned vehicles. We also offer great rebates each month.do 2500HD (1) Super Duty F-250 SRW (1) Super Duty F-450 DRW (1) See More All Used VAN (1) Sedona (1...