Audi RS6 pricing announced (UK)

I'm starting February with the official pricing of the new Audi RS6. It will cost more than the Mercedes E63 AMG by £7k and BMW M5 Touring by £9,500 with a sticker price of £76,625. What do you get for your money? Parking sensors, 20 inch alloy wheels, leather interior including heated front and rear seats, 6-disc CD changer, sat-nav, DAB radio and BOSE sound system and not to forget the extra