Video: Audi R8 vs Porsche Panamera Turbo S E-Hybrid drag race

What's quicker: a bona fide supercar in the shape of an Audi R8 or a 4-seater large grand tourer such as the Porsche Panamera?

The E-Hybrid, producing nearly 700bhp, is the fastest Panamera that Porsche have made to date but it's more than 700kg heavier than the R8. So which will win in a drag race? Well, let’s find out…