The highly-personalised two-seater Rolls-Royce Sweptail, which takes its styling cues from luxury yachts, is believed to be the most expensive new car ever built and harks back to the 'golden age' of grand touring.

The epitome of personalised luxury, the bespoke coupe was commissioned by an unnamed super-wealthy customer and unveiled at one of the world's most exclusive car shows in Italy, the Concorso d'Eleganza the the Villa d'Este on the shore of Lake Como.

The Sweptail also has some secret and stylish James Bond-esque touches designed to 'surprise and delight.'

The centre console houses a one-off hand-built mechanism that, at the touch of a button, deploys a bottle of the client's favourite vintage champagne – from the year of his birth – and two crystal champagne flutes. As the lid of the chiller opens, the mechanical action articulates the bottle to the perfect position for the owner to pick up.