The Tourette was built by Carr Brothers of Purley, south of Croydon, which later became the Progress Supreme Co Ltd, between 1956 and 1958. It had a rounded three-wheeled body with a single rear wheel, available either in aluminium over an ash frame or in glass fibre.
Power came from a 197 cc Villiers two-stroke driving the rear wheel by chain through a four-speed gearbox, with reverse available as an option using a Dynastart. The rear wheel was carried in a pivoting fork, the front wheels had hydraulically damped spring units, and a top speed of 55 mph was claimed. A single bench seat took two adults and a child, with some luggage space behind, and the whole car weighed about 230 kg fully equipped.
In 1958 a Tourette cost £386 10s 5d including purchase tax, more than a Gordon or a Scootacar, and very few were sold. Only 26 are believed to have been produced, making it one of the rarest of all British microcars.