Watch as the Audi TT RS and Mercedes C63 AMG go head-to-head in an intense 1/4 mile drag race! With both cars showing off their impressive acceleration and exhaust sound, this race is a true test of ...

Automobile's Jethro Bovingdon and Motor Trend's Jonny Lieberman examine two performance cars, the Audi TT RS and the Porsche 718 Cayman GTS.