The Buick Regal Sportback debuted in the 2018 model year, serving as a replacement for the automaker's similarly named sport sedan. It has a liftback design that increases cargo room, and you can fold down the rear seats for more cargo capacity. All-wheel drive is available. Buick offers this car with four-cylinder and V6 engines, and optional features such as Brembo brakes and a sport-tuned suspension are available. The Buick Regal Sportback seats five people. Buick discontinued it after the 2020 model year.