Welcome! Rancho Grande Motors Buick-GMC is proud to serve as your preferred San Luis Obispo dealer from our location in CA. We have a great line-up of the latest new Buick-GMC models, as well as an expansive selection of quality used vehicles. Our sales team can easily assist you with financing options or help you find the perfect accessories to complete your current vehicle. Whether you are searching for automotive sales or service, no other Buick-GMC dealership in the San Luis Obispo county area can match our level of knowledge and quality. We are Rancho Grande Motors in San Luis Obispo, ready to help all Buick-GMC drivers find their next new or used car. Rancho Grande Motors Buick-GMC can help you with any and all needs from our location in San Luis Obispo. If you are shopping for your next new Buick-GMC car, truck or SUV, we have what you are looking for! We are located at 1404 Auto Park Way, San Luis Obispo, CA, 93405. We are proud of our reputation as the preferred San Luis Obispo Buick-GMC dealership, serving Santa Maria, Lompoc, Morro Bay, Goleta, and San Luis Obispo. We look forward to guiding you through your next new or pre-owned vehicle purchase!