The 100 MPG car was powered by the 360 engine.
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In the early 1970s, a Subaru 360 engine was fuel-efficient enough to achieve 100 miles per gallon in a specially built three-wheel car.
Subaru 100 MPG car in the 1970s.
In the early 1970s, a three-wheel, aerodynamically shaped Subaru vehicle achieved 100 miles per gallon. The testing took place in Japan, where the car was driven by a female Japanese racecar driver. Previously located in SOA’s research and development office in California, the car is now stored in the attic.