The A6 is quiet, comfortable, spacious and an impressive luxury car all round, even if it isn’t quite as thrilling to drive as the class bestget the best price
Engine:50 TDI Quattro
This 3.0-litre V6 diesel engine offers more flexible performance than the 40 TDI, proving much more powerful but remaining very smooth in delivery while being impressively hushed, with a good amount of power for hot-footing along country lanes or powering through motorway miles. It will cost a fair bit extra to buy, though.
Mercedes' best mainstream saloon in years is elegant and class...