Luxury cars have turned slightly affordable, thanks to demonetisation. Top luxury car brands such as Audi and BMW are offering steep discounts of up to 20 per cent on vehicles to clear the inventory before next calendar year begins.Dealers of three leading luxury car players in the country are offering discounts ranging between Rs 3 and 9 lakh on a number of models where there is a pressure to clear inventory. Audi has rolled out a 'rush offer' on at least five models- A3, A4, A6, Q3 and Q7.