Early 2018 Audi RS4 Avant Chassis Testing Mule: This Could Be It

Yes, we know this car looks EXACTLY like the Audi S4 Avant shown in Frankfurt last month. But did you check out the flared fenders? Underneath those fender flares is a wider track, the trademark of the RS configuration. It’s not totally unexpected that Audi can hide an RS4 underneath the S4 body since both will have a similar type of engine. Audi shocked the Frankfurt crowd by revealing the supercharger had…