The upcoming 2012 Bentley Continental GTC Speed continues its…European tour as the British firm’s engineers have left the Alps and headed down to the Nurburgring racetrack for some high-speed tests.

The refreshed edition of the GTC Speed will incorporate all the styling cues seen on the regular coupe such as the Mulsanne-esque nose and lights, re-sculptured bumpers and body panels, the updated interior plus some model-specific changes.

While Bentley is keeping mum on the mechanical details of its Speed series, we expect the new GT coupe and GTC convertible models to gain some extra oomph through a higher-output version of the turbocharged W12 packing somewhere around 620-horses.

All that power will be placed on the road through an all wheel drive system.

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