Mitsuoka started in February 1968 in a converted horse stable in Toyama. Susumu Mitsuoka, then a Hino Motors salesman, opened a sheet-metal and paint repair shop with his wife and a small team. The business sold and serviced used cars through the early 1970s, then expanded into vehicle imports under the BUBU name. Mitsuoka Motor Co., Ltd. was formally incorporated in November 1979. The first original vehicle came in 1982 — the BUBU Shuttle 50, a single-seat 50 cc microcar designed for accessibility, built in tiny numbers and largely sold to disabled buyers in Japan.
The BUBU microcar series ran through the 1980s without commercial breakthrough. The turning point came in 1993 with the Viewt — a Nissan March (K11) heavily reworked at the front and rear to evoke the Jaguar Mark 2 of the 1960s. The Viewt sold over 1,000 units in its first year, an unprecedented figure for the company, and became the template for everything Mitsuoka has done since: take a contemporary mainstream Japanese platform, leave the powertrain and chassis intact, and replace the body and interior with retro-styled coachwork that references British or American design from earlier eras. In 1994 Mitsuoka was officially recognised as the tenth authorised Japanese passenger-car manufacturer — the first new entry to the list since Honda received its registration in 1963, and a status no Japanese company has gained since.
Through the 2000s the line-up settled into recognisable patterns. The Galue (1996–present) draws its proportions from Rolls-Royce Silver Cloud and Bentley R-Type, mounted on Nissan Crew and later Nissan Fuga / Teana underpinnings. The Le-Seyde stretches a 1930s open-bonnet roadster outline over a Nissan Silvia S13 chassis. The Ryoga (1998–2004) and later Ryugi (2014–) carry small saloon proportions on Nissan Sunny / Primera and Toyota Corolla bases respectively. The Himiko, on sale since 2008, builds on the Mazda MX-5 / Roadster with a Morgan-style elongated bonnet and side-mounted spare wheels. The Buddy from 2021 places American 1970s SUV references over the contemporary Toyota RAV4 platform — the company’s first SUV and the model that pushed annual sales above 1,000 units for the first time in years.
The Orochi (2006–2014) sat outside this template entirely. Designed in-house, it ran a Toyota 3MZ-FE 3.3-litre V6 in mid-engine layout under bodywork inspired by serpent imagery from Japanese folklore. Output was deliberately limited to 233 hp despite the 3.3-litre displacement — a surprising choice for a supercar profile but a deliberate one, with Mitsuoka emphasising styling expression over performance numbers. The Orochi sold in modest volumes through its eight-year production run before being retired without direct successor. Production volumes across all Mitsuoka models remain small: the company has built over 12,000 fashion cars cumulatively since the 1990s, with current annual output around 500 units across all models combined.
Build quality on contemporary Mitsuoka cars largely inherits the donor vehicle’s mechanical reliability profile — a Viewt drives essentially as a Nissan March or Toyota Yaris, a Buddy as a Toyota RAV4. Body durability and panel-fit characteristics are more variable, given that the steel and fibreglass coachwork is hand-formed in small batches at the Toyama main factory. Specific reliability patterns differ by base platform and by Mitsuoka body conversion era, with hand-formed panel alignment, paint durability over time and corrosion behaviour at the join between original and modified body sections being the areas where Mitsuoka-specific characteristics emerge most clearly. These body-conversion-specific durability characteristics, together with the underlying donor-platform reliability records, are tracked alongside other low-volume Japanese coachbuilt vehicles within our Global Vehicle Reliability Index methodology, which sets out per-segment scoring data sources, regional fleet weighting and longitudinal failure-rate analysis adapted for limited-run bespoke vehicles.