From the 1960s up until 2011, The prime minister used to travel in one of two cars, one being a Holden Statesman/Caprice sedan or Ford Fairlane, usually followed by the other vehicle containing their security detail. The prime minister's Wellington-based car has the number plate CR1, and all other cars in the fleet for ministers have number plates starting in the CR series. The main motorcade vehicles consist of Toyota Highlanders operated by the New Zealand Police Diplomatic Protection Service. The estimated purchase price per unit is NZ$69,900 In 2011 the government upgraded the ministerial fleet with 34 new BMW F02 730Ld limousines. The retiring fleet was kept on for use during the 2011 Rugby World Cup. In October 2014 it was announced the BMW limousines were to be replaced.