The Road Transport Vehicle Law defines light motor vehicles built since October 2008 as three- or four-wheeled automobiles with an engine displacement of 660cc or smaller not exceeding 3.4m in length, 2m in height, and 1.48m in width. Older vehicles follow slightly different regulations concerning displacement and size.
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Average lifespan of light motor vehicles in Japan 2024, by type
In 2024, the average lifespan of light trucks (kei truck) in Japan was years. Among the three types of light motor vehicles, trucks had on average the longest service life, followed by special-purpose vehicles.
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Light Motor Vehicle Inspection Organization. (January 14, 2025). Average service life of light motor vehicles in Japan in 2024, by vehicle type (in years) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1284083/japan-mini-motor-vehicle-average-lifespan-by-type/
Light Motor Vehicle Inspection Organization. "Average service life of light motor vehicles in Japan in 2024, by vehicle type (in years)." Chart. January 14, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1284083/japan-mini-motor-vehicle-average-lifespan-by-type/
Light Motor Vehicle Inspection Organization. (2025). Average service life of light motor vehicles in Japan in 2024, by vehicle type (in years). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1284083/japan-mini-motor-vehicle-average-lifespan-by-type/
Light Motor Vehicle Inspection Organization. "Average Service Life of Light Motor Vehicles in Japan in 2024, by Vehicle Type (in Years)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 14 Jan 2025, /statistics/1284083/japan-mini-motor-vehicle-average-lifespan-by-type/
Light Motor Vehicle Inspection Organization, Average service life of light motor vehicles in Japan in 2024, by vehicle type (in years) ÌÇÐÄÆƽâ°æ, /statistics/1284083/japan-mini-motor-vehicle-average-lifespan-by-type/ (last visited July 25, 2026)
Average service life of light motor vehicles in Japan in 2024, by vehicle type (in years) [Graph], Light Motor Vehicle Inspection Organization, January 14, 2025. [Online]. Available: /statistics/1284083/japan-mini-motor-vehicle-average-lifespan-by-type/
