Welcome to Jim Trenary of Union Jim Trenary of Union New Buick, Chevrolet, and GMC Vehicles near St. Louis Jim Trenary of Union proudly sells new Buick vehicles as well as new Chevrolet cars, trucks, and SUVs and new GMC trucks & SUVs near St. Louis. If you're looking for a Sierra, a Silverado, or an Enclave, you'll find them here at Jim Trenary. At our Union Buick, GMC, and Chevrolet dealership you can find the Cruze, the Regal, and the Acadia. Apply for financing and schedule your test drive with Jim Trenary today to see why more St. Louis Chevrolet, Buick, and GMC drivers prefer to do business with us in Missouri. Used Cars & Trucks in Union GM Parts & Certified Service near St. Louis When your Buick, Chevrolet, or GMC needs routine service or repairs, you can rely on our service department at Jim Trenary of Union to keep your car in perfect condition and on the road. From oil changes to installing new tires and major engine repairs, we can do it all. Schedule your service appointment to get started. Looking for GM parts in St. Louis or GM accessories in Union? Our parts department is fully stocked with GM OEM parts & accessories to fill your order.
New Chevrolet Models: Avalanche | Camaro | Captiva | Colorado | Corvette | Cruze | Equinox | Express Cargo | Express Commercial | Express Passenger | Impala | Malibu | Silverado 1500 | Silverado 2500 | Silverado 3500 | Silverado Hybrid | Sonic | Spark | Suburban | Traverse | Tahoe | Volt
New Buick Models: Enclave | Encore | LaCrosse | Regal | Verano
New GMC Models: Acadia | Canyon | Savana Cargo | Savana Commercial | Savana Passenger | Sierra 1500 | Sierra 2500 | Sierra 3500 | Sierra 1500 Hybrid | Terrain | Yukon | Yukon XL | Yukon Hybrid | Certified Pre-Owned Inventory | 
