Audi RS6 is the newest hatchback saloon production car of Audi brand. This is the fifth generation of RS6 model which Audi has built. It has got 4.0 litre V8 engine which is built by Volkswagen group factories and it can produce 590hp. The top speed for this automobile is 155mph. The starting price for this automobile is £80,000 in UK. Audi RS6 is the new competitor of BMW M5.