A 2013 Bentley Mulsanne, 1962 Aston Martin DB4 'Series IV' Vantage and 1991 Audi Quattro 20V are all part of the upcoming H&H Classics auction at the Millbrook Proving Ground in Bedfordshire.

Aston Martin has called it “a truly proud and historic moment” after being issued a Royal Warrant for the first time in its 112 year history.