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[ W H A T   I S   A   K E I – C A R ? ]

A Kei car, K-car, or (軽自動車) ‘kei-jidōsha‘ literally ‘light automobile‘, is a Japanese category of small car of 660cc or less, which includes passenger cars, microvans, and pickup trucks.  The trucks are known as ‘kei-tora‘ (軽 トラ), ‘tora‘ being a poorly contracted version of the word  ‘truck‘.  The cars have to adhere to a set length, width, height and weight which is strictly controlled:

 Max (as of 1/10/1998):   Length 3.4 m (11.2 ft)   Width 1.48 m (4.9 ft)   Height 2.0 m (6.6 ft)

After World War II, the kei car was born as the public car.  It was in May 1955 that the Ministry of International Trade and Industry (MITI) announced a promotional program called the ‘People’s Car‘.  Their executive summary of the foreseen car was described as, ‘A 4-seater with a top speed of 100 kph, priced at ¥150,000 (£1,145)’.

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The engineers of the Nakajima Aircraft Company developed the first truly successful kei car (above), the Subaru 360 (1958-1971).

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(The Suzuki Wagon R (above), is the best selling kei car in Japan since 2003)

Kei cars are designed to comply with Japanese government tax and insurance regulations, and in most rural areas are exempt from the requirement to certify that adequate parking is available.  Some roads are also specifically marked for ‘kei-cars only‘, due to their narrow width.  This especially advantaged class of cars was developed to promote popular motorisation in the post-war era.  While successful in Japan, the genre is generally too specialised and too small to be profitable in export markets.

The  different  types  of  Number  Plates . . .

Pre 1974 private plateskc4 Pre 1974 commercial plateskc5

Today’s private plateskc1  Commercial plateskc2

Until 31st December 1974, kei-cars used smaller license plates than regular cars (230 × 125 mm).  As of 1975, kei cars received the medium-sized standard plates (330 × 165 mm). To set them apart from regular-sized cars (not kei), the plates are now yellow & black rather than white & green.

[ T A X A T I O N ]  ad19  (prices quoted are subject to change)

Vehicle Excise Tax: Taxable amount is 3% of the purchase price, compared to 5% for larger cars.

Automobile Weight Tax: The amount is ¥13,200 (£83) and ¥8,800 (£55) for a three- and two-year period respectively, as compared to the ¥18,900 (£119) and ¥12,600 (£79) charged for larger size passenger cars.  The savings are thus more than 30% in both cases.  This weight tax is paid after the vehicle has passed its safety inspection (*shaken).

* Shaken, is a contraction of ‘jidōsha-kensa-tōroku-seido’, meaning ‘automobile inspection registration system‘, and is the name of the vehicle inspection program in Japan for motor vehicles over 250 cc in engine displacement, similar to the MoT in the UK, but much stricter.

Automobile Liability Insurance Premiums (Compulsory Insurance):  A 24-month insurance contract typically costs ¥18,980 (£119) at the time of registration, versus ¥22,470 (£141) for a larger car.

Annual Road Tax:  Tax is based on the engine’s displacement.  Due to the popularity of light cars, a tax was placed on the size of these vehicles called the ‘Light Motor Vehicle Tax‘.  The car tax on light cars below 1,000 cc is ¥7,200 (£45), or ¥4,000 (£25) for commercial vehicles, some local governments may charge more based on local regulations.


To promote the growth of the car industry, as well as to offer an alternative delivery method to small business and shop owners, kei-car standards were created.  Originally limited to a mere 150 cc (100 cc for 2-strokes) in 1949, dimensions and engine size limitations were gradually increased, in 1950, 1951, and 1955, to tempt more manufacturers to produce kei-cars.

1961-1962 Suzulight 360 van: kc20

With the 1955 change to 360 cc as the upper limit for 2-strokes, as well as 4-strokes, the class really began taking off, with cars from Suzuki (Suzulight) and then the Subaru 360, the first mass produced kei car, finally able to fill the people’s need for basic transportation without being too severely compromised.

1969 Honda N360: kc22  1970 Honda Z: kc23

The class then went through a period of ever increasing sophistication, with an automatic transmission appearing in the Honda N360 in August 1968, with front disc brakes becoming available on a number of sporting kei cars, beginning with the Honda Z GS of January 1970.

Daihatsu Fellow Max SS: kc24 (Daihatsu 360 in Europe)

Power outputs also kept climbing, reaching a peak in the 40 PS (29 kW/39 hp) Daihatsu Fellow Max SS of July 1970.  Sales increased steadily, reaching a peak of 750,000 in 1970.  Throughout the 1970’s, the government kept whittling away at the benefits offered to kei vehicles, which combined with ever stricter emissions standards to lower sales drastically through the first half of the decade.  Honda and Mazda withdrew from the contracting passenger kei car market, in 1974 and 1976 respectively, although they both maintained a limited offering of commercial vehicles.

Since WWll, engine sizes have changed 3 times:

Suzulight 360: kc26 Daihatsu 550: kc27 Smart 660: kc28

The 360 cc era (1949-1975) | 550 cc era (1976-1990) | 660 cc era (1990 to date)

You may have noticed that some kei-cars bear stickers or magnetic signs on the front and rear of the car, these are explained below:

Shoshinsha/Wakaba sign: Related image for new drivers up to 1-year.

Kōreisha signs:  Related image for the over 70’s !!

Early  Manufacturers  Include . . .

Auto Sandal: kc48 Cony: kc67 Gasuden:  Hope Star: kc97 Kurogane: my81 NJ Taro: kc80 Suminoe: kc132

Later Manufacturers Include . . .

Autozam:  Daihatsu: m11 Honda: Honda Life 1998 Rear.jpg Mazda: cc126 Mitsubishi: kc158 Subaru: my104 Suzuki: kc163


Micro-trucks are known as kei-tora, (tora) being a poorly contracted version of the English word  truck (torakku).  They cost as little as Yen 1,000,000  (£6,400) or less !!

The main manufacturers, models and No of Generations …

Related image Hijet (10G’s): kt2  Related image Acty (4G’s): kt3

Related image Minicab (8G’s): kt5

emblem3画像 Sambar (7G’s): Image result for subaru sambar  Related image Carry (11G’s): kt7

K E I  |  S P O R T S  |  C A R S

The sports micro-car was born by the ‘bubble boom‘ in the latter years of the 1980’s.

Saloon cars with sporting pretentions . . .

1968 Suzuki Fronte SS: ss36  1969 Subaru Young SS: ss35

1970 Honda Z Coupé: pp31  1971 Suzuki Fronte Coupé: ss78

1987 Suzuki Alto Works RS-R: ss88  1989 Daihatsu Mira TR-XX: Related image

1989 Mitsubishi Minica Dangan ZZ-4: ss77  1992 Subaru Vivio RX-RA: sp23

Production Sports Cars . . .

Suzuki Cappuccino: ss19 ss17 (1991 – 1997)

Honda Beat: ss4ss5 (1991 – 1998)

Autozam AZ-1: ss37ss44 (1992 – 1995)

Daihatsu Copen 1G: ss60ss49 (2002 – 2012)

Daihatsu Copen 2G: ss66ss62 (2014 ~)

Honda S660: kc62ss69 (2015 ~)

Caterham Seven 160: Image result for caterham seven 160 Image result for caterham seven 160 (2016 ~)

& not forgetting the Image result for 4x4 logo‘s . . .

Suzuki Jimny LJ10 001.JPG (1970 ~) Suzuki Jimny (3G’s) 

 (1994 – 2012) Mitsubishi Pajero 


The 1989 Mitsubishi Minica Dangan ZZ (pictured earlier) has a 657cc turbocharged 3-cylinder engine with 5-valves per cylinder that revs to 9,500 rpm and a computer-controlled AWD system that later appeared in the 440 bhp Mitsubishi Lancer Evolution !!

It is well known that Japanese micro-cars make good test beds for their bigger brothers !!

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