Brough Superior Austin Four
 Advertised in the 1932 Brough Superior catalog as the Brough Superior Straight Four but commonly known as the Brough Superior Austin Four was a special British motorcycle designed and manufactured byBrough Superior of Nottingham in 1932. It is unique that it was powered by a modified Austin 7 automobile engine through a Austin 7 gearbox. It is a water-cooled flathead inline four-cylinder motorcycle. It was designed and made for sidecar use.