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First came the R8. Then came the race-spec R8 LMS. Then the V10-powered R8 5.2 FSI, with the roadster version waiting in the wings. The diesel version may have been canceled, but now Audi is said to be working on a light-weight, track-focused version of its flagship supercar.

There's no denying that Audi is planning more variants of the TT and R8, but most of the speculation revolves around fitting both models with high-output engines to produce RS variants. The TT-RS is expected to house a turbocharged, five-cylinder engine making around 350 hp and the R8 will benefit from some form of forced induction, with either a V8 or V10 mill taking the place of the stock 4.2-liter V8 – not to mention the V12 TDI mill. But what about weight reduction?