AUDI is offering quattro four-wheel drive on selected A6 models at a £600 price reduction until the end of March. Buyers of front-wheel drive A6 saloon and Avant 1.8T, 1.8T SE and 2.4SE models can upgrade to the quattro system for £800 instead of the usual £1,400.

Until March 31, the A6 1.8T quattro saloon costs £24,550 on-the-road, the Avant £26,050, the SE £25,850, the Avant SE £27,000, the 2.4 quattro SE £27,850 and the Avant SE £29,000. From April 1 their prices will rise by £600.