Aston Martin’s latest luxury car, the Cygnet, has gone on display at Harrods in Knightsbridge. The car takes pride of place in the luxury retailer’s window, and will be on display until 11 December. The car goes into full production in 2011, with a price tag of around £30,000. The car is aimed at being a city run around. It has a 1.33-litre engine and a manual gearbox.