Your Pick: 2014 Audi RS 5 or Mercedes C63 AMG 507? (W/Poll) by CLittle | Feb 10, 2014 | News The 2014 Audi RS 5 coupe was a bit of an underdog in a recent comparo against the 2014 Mercedes-Benz C63 AMG 507 edition. The 2014 Audi RS 5 coupe …read more Share this:FacebookTwitterPinterest