Translation guide
A kei car is a Japanese category of small, lightweight vehicles with engine displacement and size restrictions, offering tax and insurance benefits. This guide explains how to refer to them in Japanese.
Referring to the category of kei cars in general
The standard, formal term for a kei car. Used in official contexts, on documents, and in everyday conversation.
軽自動車は税金が安いです。
Kei cars have low taxes.
この駐車場は軽自動車専用です。
This parking lot is for kei cars only.
A common abbreviation of 軽自動車, used in casual conversation and on signs. Often combined with other words.
軽に乗り換えようかな。
I'm thinking of switching to a kei car.
軽の方が維持費が安いよ。
Kei cars are cheaper to maintain.
Referring to specific types of kei cars (passenger, truck, van)
Specifically a kei passenger car, as opposed to a commercial kei vehicle.
軽乗用車の新車を買いました。
I bought a new kei passenger car.
A kei truck, often used for farming or light commercial work. Commonly abbreviated as 軽トラ.
農家の人は軽トラックをよく使います。
Farmers often use kei trucks.
Abbreviation of 軽トラック, very common in casual speech.
軽トラで荷物を運んだ。
I carried the luggage in a kei truck.
A kei van, used for commercial deliveries or as a multi-purpose vehicle.
軽バンは荷室が広いです。
Kei vans have a spacious cargo area.
Referring to kei cars by their distinctive yellow license plates
Kei cars are often identified by their yellow license plates. This phrase is used colloquially to refer to them.
黄色いナンバーの車は軽自動車です。
Cars with yellow license plates are kei cars.
The prefix 軽 (けい) can be attached to many words to indicate a kei car version, e.g., 軽自動車税 (keijidōsha-zei, kei car tax), 軽自動車検査協会 (Keijidōsha Kensa Kyōkai, Kei Car Inspection Organization).