Porsche Panamera Turbo S Stingray GTR by TopCar

V8 / 4.806 cc / 550 PS / 553 lb/ft (750 Nm) @ 2.250 - 4.500 / 0 - 62 mph (100 km/h): 3,8 s / Vmax: 190 mph (306 km/h)
 
With Sport Chrono package: 590 lb/ft (800 Nm) @ 3.000 - 4.000

(click images for a larger view)

Porsche Panamera Turbo S Stingray GTR by TopCar

V8 / 4.806 cc / 550 PS / 553 lb/ft (750 Nm) @ 2.250 - 4.500 / 0 - 62 mph (100 km/h): 3,8 s / Vmax: 190 mph (306 km/h)
 
With Sport Chrono package: 590 lb/ft (800 Nm) @ 3.000 - 4.000

(click images for a larger view)

Porsche Panamera Turbo Prior600 by Prior Design

Panamera Turbo: V8 / 4.806 cc / 500 PS / 568 ft/lb (770 Nm) @ 2.250 - 4.500 / twin turbo / AWD / 0 - 62 mph (100 km/h): 4,1 s / Vmax: 188 mph (303 km/h)

Panamera Turbo + Sport Chrono Paket: V8 / 4.806 cc / 500 PS / 568 ft/lb (770 Nm) @ 2.500 - 4.000 / twin turbo / AWD / 0 - 62 mph (100 km/h): 3,9 s / Vmax: 188 mph (303 km/h)

(click images for a larger view)

Breaking news: Porsche Panamera 2013 - FIRST OFFICIAL IMAGES!

Panamera: V6 / 3.605 cc / 310 PS / 295 ft/lb (400 Nm) @ 3.750 / 0 - 62 mph (100 km/h): 6,3 s / Vmax: 161 mph (259 km/h)

Panamera Turbo + Sport Chrono Paket: V8 / 4.806 cc / 520 PS / 568 ft/lb (770 Nm) @ 2.250 - 4.500 / twin turbo / AWD / 0 - 62 mph (100 km/h): 3,9 s / Vmax: 190 mph (305 km/h)

(click images for a larger view)

Porsche Panamera Sport Turismo

No technical specification available

(click images for a larger view)