Porsche ≫ 911991 II Porsche 911 Turbo S coupe facelift photo galleryby Joshua ThompsonThe 991 II facelift has given the Porsche 911 Turbo S an extra 15kW (20hp) from its 3.8-liter boxer 6-cylinder engine for a total of 427kW (580hp). ◄ PrevNext ►Credit: Porsche 991 II Porsche 911 Turbo S coupe - front Tags:911991991 iiporscheturbo stype 991type 991 ii