Motor oil for Fiat X1/9

All 2 engine variants of the Fiat X1/9 take the same oils, so the selection below applies to every one of them.

Which viscosity does a Fiat X1/9 need?

We cover 2 engine variants of the Fiat X1/9. The most commonly approved grades are 10W-30, 10W-40 and 20W-50.

Which approvals does Fiat require?

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

Fiat X1/9 engine variants

The oil finder covers these engine variants of the Fiat X1/9: X1/9 1500 1978–1981 and X1/9 1300 1972–1978.