2019 Buick Regal Sportback Avenir. All prices include $500 Race for savings cash. Recent Arrival! New Price! CARFAX One-Owner. Clean CARFAX. 2019 Buick Regal Avenir 2.0L 4-Cylinder DGI DOHC VVT Turbocharged 9-Speed Automatic FWD 4D Hatchback Ebony Twilight Metallic... via AutoRevolution