Audi Motorsport : NEW AUDI R18 E-TRON QUATTRO EVEN MORE EFFICIENT March 22, 2015 By Tyler Hopper 0 SharesTweetSharePinShare Audi is starting the 2015 season with a thoroughly revised R18 e-tron quattro. In the FIA World Endurance Championship ( Read more here: Newspress 0 SharesTweetSharePinShare