9 liters v6 used in the turbo. With the optional sport kona package fitted porsche says it reaches 60 miles per hour in 4.1 seconds and flat out. It goes 169 miles per hour. That’S actually 2 miles per hour faster than the turbo performance is up for all mechan trim levels. The base mccann’s turbocharged 2.0 liter 4 cylinder increases to 261 horsepower and 295 pound feet of torque. While the mccann s takes the place of last year’s gts.