Buying a vehicle should be fun. Costco Auto Program offers an enjoyable experience throughout the process. Whether you are in the market for a new vehicle, a used vehicle, an RV or just need vehicle maintenance, Costco Auto Program is with you every step of the way.Buying a vehicle should be fun. Costco Auto Program offers an enjoyable experience throughout the process. Whether you are in the market for a new vehicle, a used vehicle, an RV or just need vehicle maintenance, Costco Auto Program is with you every step of the way.