Buick

Buick

Buick

In addition to its attractive styling and luxury appointments, Regal is big on performance. The supercharged 3800 Series II V-6 engine in Regal’s GS model continues to place it among the horsepower leaders in its class. Regal GS delivers impressive acceleration, with its supercharged 3800 Series II V-6 engine providing 240 hp (179 kw) at 5200 rpm and 280 lb.-ft. (380 Nm) of torque at 3600 rpm. Regal LS is equipped with a naturally aspirated version of the 3800 Series II V-6, providing 200 hp (149 kw) at 5200 rpm and 225 lb.-ft. (305 Nm) of torque at 4000 rpm. Both LS and GS models come equipped with the proven Hydra-Matic 4T65-E automatic transmission. Regal’s 3800 Series II V-6 engine has earned a reputation for a remarkable combination of performance, durability and fuel efficiency. Estimated fuel economy is 19 mpg for city driving and 29 mpg on the highway for the LS, and 18/28, respectively, for the supercharged GS.