Audi E-Tron GT Concept confirmed for 'Avengers 4'
Audi tipped its hand before it even officially debuted the E-Tron GT Concept at the L.A. Auto Show. In a private event the night ahead of the first media day, Audi brought in Robert Downey Jr. to pull the curtain on the new electric four-door coupe. Now we know why. In an email exchange, an Audi represe