Introduced in 2012, the 991 Turbo has a twin-turbocharged 3.8-litre flat-6 engine generating 520 PS (382 kW; 513 hp) and 620 N⋅m (457 lb⋅ft) of torque.
The S version has an upgraded version of the engine generating a maximum power output of 560 PS (412 kW; 552 hp) and 700 N⋅m (516 lb⋅ft) of torque, but the torque is pushed to 750 N⋅m (553 lb⋅ft) with overboost function.
Both of the versions have all-wheel drive.
The Turbo comes as standard with Porsche’s PDK dual clutch transmission and is the first Turbo model to not feature a manual transmission, the Turbo S comes exclusively with the PDK transmission.
The Turbo S can reach 100 km/h (62 mph) in 3.1 seconds as claimed by Porsche but has achieved 2.6 seconds by many car magazine tests.
New technologies featuring adaptive aerodynamics and rear wheel steering are included as standard.

The Turbo Cabriolet and the Turbo S Cabriolet were added to the 991 lineage at the 2013 Frankfurt Motor Show.
Introduced in 2012, the 991 Turbo has a twin-turbocharged 3.8-litre flat-6 engine generating 520 PS (382 kW; 513 hp) and 620 N⋅m (457 lb⋅ft) of torque. The S version has an upgraded version of the engine generating a maximum power output of 560 PS (412 kW; 552 hp) and 700 N⋅m (516 lb⋅ft) of torque, but the torque is pushed to 750 N⋅m (553 lb⋅ft) with overboost function. Both of the versions have all-wheel drive. The Turbo comes as standard with Porsche’s PDK dual clutch transmission and is the first Turbo model to not feature a manual transmission, the Turbo S comes exclusively with the PDK transmission. The Turbo S can reach 100 km/h (62 mph) in 3.1 seconds as claimed by Porsche but has achieved 2.6 seconds by many car magazine tests. New technologies featuring adaptive aerodynamics and rear wheel steering are included as standard. 
The Turbo Cabriolet and the Turbo S Cabriolet were added to the 991 lineage at the 2013 Frankfurt Motor Show.
Porsche 991