Buick’s 2019 Regal GS offers stellar value, but nothing special about the ride February 3, 2019 No Comments Business News Buick’s 2019 Regal GS offers stellar value, but nothing special about the ride Buick's Regal GS is a high-performance sedan with a 3.6-liter V-6 engine providing 310 horsepower and a nine-speed automatic transmission. more info…