Audi A6 Allroad (2006 – 2012) At A Glance. Very comfortable to drive on tarmac or off-road. Classy image and styling. Height adjustable air suspension. Large boot. Ideal for towing. Best on Pirelli Scorpion STRs for the road. Doesn't handle quite as well as A6 quattro on which it is based. The second generation Audi A6 Allroad of 2006 is half Audi A6 Avant 2.7 TDI Quattro aut. and Elddis Phil reviewed on 06 May 2016 a Audi A6 Avant 2.7 TDI Quattro aut. (180 PS/132 Kw, Year: 2006 - 2008) with a Elddis Avante 636 of 1657 kg. This car was my tug for 14,000 miles in 2014 around Spain with a big twin axle van. It was the SE model with a factory fitted towbar and all round air suspension. 3.2 Avant quattro Wagon. $8,495. 119,766 miles. No accidents, 3 Owners, Personal use. One owner 2006 Audi A6 Auto, 6 Cyl with 3.2 Liter, All power interior with leather, AM FM CD with AUX The high-torque 3.0 TDI is firmly coupled with quattro drive. A new ultra-modern V6 power unit with a displacement of 2.8 litres will be available for the Audi A6 and A6 Avant from 20 October Find tire sizes for each Audi A6 year and option. 2006 Audi A6 Tire Sizes. 3.2 Avant Quattro. 1. 3.2 Avant Quattro S-Line Package. 1. 245/40R18. 2. nOXR.