Fluid · Engine Oil
Engine Oil
for 1985 Porsche 928S 5.0L DOHC 32-valve V8 (288 hp US-spec) · RWD
Fluid Type
5W-50 or 15W-50 synthetic
Spec: API SG/SH or higher
Capacity
10qt
9.46 L
Drain & Refill
10 qt
9.46 L
Change Interval
5,000 mi
8,045 km
Notes
M28/40 engine, capacity with filter change
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.