Audi S3 v Audi RS4 drag race - video

Performance cars have come a long way – these days a four-cylinder hatchback can be just as fast as high-performance heroes of a few decades ago. In this clip, Mat Watson from the UK's Carwow pits the current Audi S3 sedan against an older-generation 'B7' RS4 Avant to see how much progress the company has made in just 10 years.