Motor oil for Ford Fiesta Mk I

All 4 engine variants of the Ford Fiesta Mk I take the same oils, so the selection below applies to every one of them.

Which viscosity does a Ford Fiesta Mk I need?

We cover 4 engine variants of the Ford Fiesta Mk I. The most commonly approved grades are 10W-30, 10W-40, 15W-40 and 20W-50.

Which approvals does Ford require?

Ford publishes no approval of its own: what counts is the viscosity and the ACEA or API class in your owner's manual.

Ford Fiesta Mk I engine variants

The oil finder covers these engine variants of the Ford Fiesta Mk I: Fiesta 1.0 1980–1983, Fiesta 1.1 1980–1983, Fiesta 1.3 1980–1983 and Fiesta 1.6 XR2 1980–1983.