Immaculate 2014 Bentley Flying Spur for sale. Twin-turbo 6.0-liter W12 motor mated to a well sorted automatic transmission. As one would expect from the epitome of luxury that is Bentley, this Flying Spur comes loaded with every feature a driver could possibly ask for. The Bentley Flying Spur (formerly the Bentley Continental Flying Spur) is a luxury saloon produced by Bentley Motors Limited since 2005. It is the four-door variant of the Bentley Continental GT coupe.