Buick ≫ RegalBuick Regal GS liftback (2018, sixth generation, USA) photosby Joshua ThompsonThe 2018 Buick Regal GS has a 3.6-liter V6 with 310hp (231kW) and 282 lb-ft (382Nm), a 9-speed auto, AWD, 19-inch wheels, and continuous damping control. ◄ PrevNext ►Credit: Fets/Buick 2018 Buick Regal GS - front, red Tags:buickgsregalsixth generationusa