4HP18

The 4-speed automatic transmission ZF 4HP18 (4HP18FLA Audi) was on SAAB 9000 (4HP18Q), Rover, Peugeout, Citroen. In 1989 this transmission was updated. Later, several more modifications were released. Presently, this transmission is mainly installed on FWD Audi 100 with engine capacity from 2.0 up to 3.0. Later this transmission was updated for AWD Audi 100 and Audi Quattro. ZF 4HP18 had been used on the abovementioned cars until 1994. This transmission competed with the legendary 097-01N transmission from Audi.The design of the 4HP18 unit became the foundation for the 5-speed 5HP18 and later for extremely popular 5HP19.