Audi TT 2.0 TDI quattro

Click the image above for a high-res gallery of the Audi TT 2.0 TDI quattro.Audi has been on a diesel-fueled kick in the last couple of months, first with the unveiling of the R8 V12 TDI concept in Detroit and then followed earlier today by the R8 V12 TDI Le Mans. Both pieces of oil-burning exotica ...