Had a 2.5 tdi v6 A6 though not the allroad great pull not as good as the 2.5 5 cylinder older model the one I had needed new camshafts fitted due to the wrong oil being used very expensive.This happened before I bought it so not so bad! They are not really your classic 4x4 and 2.1 tonne rules out a lot of horse trailers if you are going to stay within the law .hope this helps