Want to learn more about the Buick and GMC brands? Greg Hubler Buick GMC can help you out. You can learn all about Buick and GMC safety ratings, technology features, interior amenities, and more! Whether you’re more curious about performance features or infotainment and connectivity, we can help you out. We’re proud to be your Marion Buick and GMC dealer, and we want to help you stay up to date with features and news.