Fluid · Engine Oil
Engine Oil
for 1981 Porsche 928 4.5L V8 · RWD
Fluid Type
15W-50 or 20W-50 mineral or synthetic
Spec: API SF/SG
Capacity
10.5qt
9.93 L
Drain & Refill
9.5 qt
8.99 L
Change Interval
5,000 mi
8,045 km
Data quality
Book-style estimate
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Notes
With filter change. Early 928s used conventional grades; synthetics acceptable.
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