Microcar is a term often used for the smallest size of cars,[1] with three or four wheels and often an engine smaller than 700 cc (43 cu in). Specific types of microcars include bubble cars, cycle cars, quadricycles and voiturettes, and the Japanese equivalent is the kei car.

1957 Heinkel Kabine bubble car
2012 Renault Twizy quadricycle
2015 Suzuki Alto kei car

Microcars are often covered by separate regulations to normal cars, having relaxed requirements for registration and licensing. Most microcars are powered by petrol or diesel engines, however electric-powered microcars have become more common in recent years.


Voiturette is a term used by some small cars and tricycles manufactured from 1895 to 1910.

Cyclecars are a type of small, lightweight and inexpensive car manufactured mainly between 1910 and the late 1920s.

Europe 1940-1970: Microcars

The first cars to be described as microcars (earlier equivalents were called voiturettes or cyclecars) were built in the United Kingdom and Germany following World War II and remained popular until the 1960s. These cars were originally called minicars, however they later became known as microcars.

France also produced large numbers of similar tiny vehicles called voiturettes, however these were rarely sold abroad.


A common characteristic of these microcars is an engine displacement of less than 700 cc (43 cu in),[2][3][4] although several cars with engines up to 1,000 cc (61 cu in) are also considered to be microcars.[5][1](p7) Often the engine was originally designed for a motorcycle.[6] Microcars have three or four wheels.[3]


The origin of these microcars is in the years following World War II, when motorcycles were common.[7](p7) To provide better weather protection, three-wheeled microcars began increasing in popularity in the United Kingdom, where they could be driven using a motorcycle licence.[3][8] Microcars also became popular in Europe, due to their greater fuel efficiency than larger cars.[6][9] One of the first microcars was the 1949 Bond Minicar.

Micro cars became popular in Europe at that time as a demand for cheap personal motorised transport emerged and fuel prices were high due in part to the 1956 Suez Crisis. Most of them were three-wheelers, which in many places qualified them for inexpensive taxes and licensing as motorcycles.

The microcar boom lasted until the late 1950s, when larger cars regained popularity[9][10] The 1959 introduction of the Mini, which provided greater size and performance at an affordable price, contributed to the decline in popularity of microcars.[3] Production of microcars had largely ceased by the end of the 1960s, due to competition from the Mini, Citroen 2CV, Fiat 500 and Renault 4.

Bubble cars

Several microcars of the 1950s and 1960s— mostly produced in Germany— were nicknamed bubble cars.[11][12] This was due to the aircraft-style bubble canopies of cars like the Messerschmitt KR175, Messerschmitt KR200 and the FMR Tg500. Other microcars, such as the Isetta, also had a bubble-like appearance.

German manufacturers of bubble cars included former military aircraft manufacturers Messerschmitt and Heinkel. BMW manufactured the Italian Iso Rivolta Isetta under licence, using an engine from one of their own motorcycles.

The United Kingdom had licence-built right-hand drive versions of the Heinkel Kabine and the Isetta. The British version of the Isetta was built with only one rear wheel instead of the narrow-tracked pair of wheels in the normal Isetta design in order to take advantage of the three-wheel vehicle laws in the United Kingdom. There were also indigenous British three-wheeled microcars, including the Peel Trident.

Examples include the Citroën Prototype C, FMR Tg500, Fuldamobil, Heinkel Kabine, Isetta, Messerschmitt KR175, Messerschmitt KR200, Peel P50, Peel Trident and Trojan 200. Kleinschnittger F125.

Europe 1990-present

Recent microcars include the 2001 Aixam 5xx series. The Smart Fortwo is often called a microcar in the United States;[13][14] however it requires a car licence to drive, unlike most microcars.

Electric-powered microcars which have reached production include the 1987 CityEl, the 1990 Automobiles ERAD Spacia, the 1999 Corbin Sparrow, the 2001 REVAi, the 2009 Tazzari Zero and the 2011 Peel P50.

Quadricycle legislation

The European Union introduced the quadricycle category in 1992. In several European countries since then, microcars are classified by governments separately to normal cars, sometimes using the same regulations as motorcycles or mopeds. Therefore, compared with normal cars, microcars often have relaxed requirements for registration and licensing, and can be subject to lower taxes and insurance costs.

Japan: Kei cars

Kei car is the Japanese legal category for the smallest and most limited power, highway-legal motor vehicles, including passenger cars (kei cars or kei-class cars), microvans, and Kei trucks (kei-class pickup trucks).

Microcar trucks

There are also a variety of microcar trucks, usually of the "forward control" or van style to provide more cargo room. These might be used for local deliveries on narrow streets that are unsuited to larger vehicles. The Piaggio Ape is a three-wheeled example.[15]

Microcars by country of origin

See also


  1. "About RUM (Register of Unusual Microcars)". www.rumcars.org. Retrieved 18 December 2018.
  2. Quellin, Adam (2015). Microcars at Large!. Veloce. ISBN 9781845848873. Retrieved 21 December 2018.
  3. "The Bubblecar Museum and it's collection". www.bubblecarmuseum.co.uk. Retrieved 28 December 2018.
  4. "The Vintage Microcar Club Membership Page". www.microcar.org. Retrieved 19 December 2018.
  5. "Experience Microcar History In Mazomanie, WI". www.rideapart.com. Retrieved 16 December 2018.
  6. Cameron, Duncan (2018-06-28). British Microcars, 1947-2002. Bloomsbury. ISBN 1784422797.
  7. "Legal & MOT's". www.micromaniacsclub.co.uk. Retrieved 28 December 2018.
  8. "Museum Information". www.microcarmuseum.com. Retrieved 19 December 2018.
  9. "The History of the Microcar at Petersen Automotive Museum". Motor Trend. 15 June 2007. Retrieved 19 December 2018.
  10. "Babies on Wheels". The Times: 13. October 14, 1957. In sunny weather too, bubble cars are inclined, like greenhouses, to become uncomfortably hot.
  11. "65 MPH and 80 MPG-That's the Messerschmitt". Motorcycle Mechanics: 34–35. April 1963. This bubble-car has a beetle-like outline
  12. "Smart's tiny Fortwo microcar gets redesign for 2016". www.latimes.com. Retrieved 21 December 2018.
  13. "Smart Vehicles". Autoweek. Retrieved 21 December 2018.
  14. "Piaggio Ape Commercial Vehicle". Greencarsite.co.uk. Retrieved 2018-05-08.
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