Austin: #1 Audi Sport Team Joest Audi R18 e-tron quattro: André Lotterer, Benoit Tréluyer, Marcel Fässler leads the field to track
#1 Audi Sport Team Joest Audi R18 e-tron quattro: André Lotterer, Benoit Tréluyer, Marcel Fässler leads the field to track