Allan McNish Test Drives the Audi SQ5 TDI at Silverstone
Allan McNish put the Audi SQ5 TDI through its paces on the Silverstone circuit before the first round of the 2013 FIA World Endurance Championship. The first ever diesel-powered Audi S model combines incredible V6 bi-turbo performance with famed TDI efficiency and wraps it in the stylish and impressively practical …