New Buick and GMC Vehicles for Sale and Best Deals in San Diego, CA

Discover the latest Buick and GMC models at Marvin K. Brown, serving San Diego and nearby cities including La Mesa, El Cajon, National City, and Chula Vista. Our new inventory features popular models such as the Buick Envision and GMC Sierra, updated monthly to offer you fresh options and unbeatable deals. Take advantage of our MKB ADA Test Drive Program, designed to provide an accessible and comfortable experience for all drivers. Plus, with Buick and GMC rewards, you can earn valuable incentives on your new vehicle purchase. Don’t forget to check out our online Kelly Blue Book Trade-In tool to get a fair estimate on your current car, helping with your down payment on your new vehicle.

At Marvin K. Brown, our finance department prioritizes your needs and works closely with local banks and lenders to tailor auto loans or lease agreements just for you. Whether you’re exploring car loans or leasing options, expect a personalized, stress-free process built around your financial situation. Browse our new 2026 Buick and GMC inventory today to find your perfect SUV or truck, enjoy great monthly changing new car deals, and experience a personalized buying process focused on you.