Uchikura & Co., LLC

The Kei Car Was a Government Program After the War

 

When people see Japan’s tiny kei cars, they may think Japanese automakers simply decided to build small cars because Japan has narrow roads. The real story is more interesting.

 

The kei car, or keijidōsha (軽自動車), began as a government-created vehicle category after World War II.

 

Japan was rebuilding. Most people could not afford a conventional automobile, roads were often narrow, and the domestic automobile industry was still developing. In 1949, the Japanese government established a special category for very small vehicles, with restrictions on engine size and vehicle dimensions.

 

The regulations changed several times, eventually reaching a 360cc engine limit in 1955. This gave Japanese manufacturers an opportunity to develop practical and inexpensive automobiles specifically within those rules.

 

The Subaru 360, introduced in 1958, helped turn the concept into a mass-market success. It demonstrated that even a very small automobile could provide useful transportation for an ordinary family.

 

Today, kei cars can have engines up to 660cc and remain extremely popular in Japan.

 

Interestingly, kei vehicles are now attracting attention outside Japan as well. In the United States, people have increasingly imported older Japanese kei vehicles, especially kei trucks from manufacturers such as Suzuki, Daihatsu, Honda, and Subaru. Their tiny size, simple construction, and practical cargo beds make them attractive for farms, private property, small businesses, and enthusiasts.

 

Because U.S. federal rules generally allow vehicles at least 25 years old to be imported without meeting current federal motor-vehicle safety standards, many older kei trucks have found a second life in America. State registration and road-use rules, however, vary.

 

The kei car is a great example of how regulation can sometimes create innovation.

 

The government created the box.
Japanese engineers figured out how much they could put inside it.

 

And decades later, Americans are discovering just how useful that little box can be.