The Abt XGT has touched down in America, but while it's a barely road-legal take on the Audi R8 LMS GT2 in Europe, it's a completely illegal proposition stateside - unless you keep it on a track.

Called the Abt XGT, the new model has been built to celebrate the R8 as production comes to a close this year. Audi has produced its own official last-hurrah already – the 611bhp GT RWD – but ...

Essentially a track car with a license plate, the ABT XGT packs 630 horsepower. Audi is bidding adieu to the R8 with a GT RWD limited to 333 coupes. If that special edition isn't wild enough ...