The Porsche Panamera Turbo and the Audi RS7 get thrown onto the track to see who is faster. They are both staggeringly fast, and the Audi is powered by a 4.0 liter twin turbo V8 engine with 560 horsepower, while the Porsche is a 4.8 liter twin turbo V8 unit producing 520 horsepower.

Who fairs better? Watch the video to find out: