We have early official pictures of the Alpina B5 super sedan. It goes public at the 2010 Goodwood FOS which starts today.

Official pictures of the Alpina B5 have slipped out earlier than anticipated. A first public sighting with pictures was expected at the Goodwood Festival of Speed in the UK. The B5 is based on the new BMW 5 Series (F10) but offers the performance and exclusivity of an M5.

Power comes from BMW's 4.4-litre V8 engine and is set at 500 bhp (378 kW / 507 PS). Peak torque is 700Nm (516 ft-lb). Thrust is sent to the rear wheels via an 8-speed automatic transmission which is modified for sportier settings. Alpina says the car will run from 0 - 100km/h in 4.7 seconds and stop accelerating at 307 km/h (191 mph). A combined fuel economy figure of 26.1mpg (UK) is being claimed alongside equivalent C02 emissions of 252g/km.

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