The appeal of the GTC is further strengthened by the addition of the new 600 plus HP GTC Speed model. It is Bentley’s most powerful convertible ever and inspired by Bentley’s legendary ‘Speed Models’ from the 1920s. GTC, Speed, Porsche, Flying Spur, Flying Spur Speed, 610 HP,T-Type, Continental S1 & S2, Walter Owen Bentley, Continenta