The entry-level engine is a 2.0-litre diesel and the units have a substantial amount of power that should please any motorists. One petrol engine is available on the range in the guise of a 3.0-litre unit.
The pick of the bunch is the A6 2.0-litre TDI SE, like in the other models it sprints from 0-62mph in 9.0 seconds with a top speed of 141mph. This closely rivals the Mercedes E-Class type which has a top speed of 143mph.
Popular models in the A6 range are usually to be found with Quattro technology. The best of the A6 offerings is the 3.0-litre TDi Quattro S-Line, which will sprint from 0-62mph in 6.1 seconds with a top speed of 155mph.