2015 Audi S4 Heads to 2015 Frankfurt Motor Show
The 2015 Audi A4 was unveiled a couple of weeks ago and the carmaker is already preparing a top of the line version, in the shape of the 2015 Audi S4, which is set to debut at the 2015 Frankfurt Motor Show. Surely that the Audi German based carmaker has not confirmed the arrival of the S4 in Frankfurt, but...