What drivetrain layout did the original Mini popularize?

The original Mini popularized the front-wheel-drive drivetrain layout. Its front-mounted engine was installed transversely, and the gearbox was incorporated into the engine’s sump, sending power to the front wheels in a remarkably compact package.

Launched in 1959, the Mini used this arrangement to make exceptional use of its small footprint. With the engine and transmission sharing space across the front, the car needed no central driveshaft tunnel. That freed more floor area for passengers and helped the Mini provide four seats despite its tiny exterior dimensions.

The Mini was not the first front-wheel-drive car: earlier examples included the DKW F1 and Citroën Traction Avant. Its importance was that it made transverse front-wheel drive practical, affordable and widely admired in a small mass-market car. The approach influenced later compact models and became the dominant layout for many modern front-wheel-drive vehicles.