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Motor oil for Steyr S18
All 15 engine variants of the Steyr S18 take the same oils, so the selection below applies to every one of them.
Which viscosity does a Steyr S18 need?
We cover 15 engine variants of the Steyr S18. The most commonly approved grades are 10W-40, 15W-40, 20W-20 and 20W-50.
Which approvals does Steyr require?
Steyr publishes no approval of its own: what counts is the viscosity and the ACEA or API class in your owner's manual.
Steyr S18 engine variants
The oil finder covers these engine variants of the Steyr S18: 10S18 1988–1996, 10S18 4x4 1988–1996, 11S18 1988–1996, 12S18 1988–1996, 12S18 4x4 1988–1996, 13S18 1988–1996, 13S18 (UK only !) 1988–1996, 14S18 1988–1996, 15S18 1988–1996, 15S18 4x4 1988–1993, 16S18 1988–1993, 17S18 1988–1993, 17S18 (UK only !) 1988–1996, 8S18 1988–1996 and 9S18 1988–1996.
