2023 Porsche 911 Carrera GTS Cabriolet America (992) Technical Specifications Model 911 Carrera GTS Cabriolet America Design and cylinders Twin-turbo boxer 6 Number of cylinders 6 Fuel grade 98 Bore 91.0 mm Stroke 76.4 mm Displacement 2,981 cc Max Power 473 bhp @ 6500 rpm Max Torque 420 ft lbs @...