1984 Porsche 928 Oil Type & Capacity
The 1984 Porsche 928 takes 5W-20 motor oil — 7.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 7.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic — 4.7L Eng | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | 7.90 QTS. | — | — |
| Standard — 4.7L Eng | SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F) | 7.90 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your 928
1984 Porsche 928 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
4.23 quarts (16.01 L) — Phosphate-free antifreeze containing Ethylene Glycol Antifreeze recommended for aluminum engines and radiators
Frequently asked questions
What type of oil does a 1984 Porsche 928 take?
The 1984 Porsche 928 takes 5W-20 motor oil (SAE 5W-20 (Below -20Deg.F to 15Deg.F), 5W-30 (-20Deg.F to 30Deg.F),10W-30 (-10Deg.F to 70Deg.F), 10W-40/50 (-5Deg.F to 95Deg.F), 15W-40/50 (5Deg.F to Above 100Deg.F), 20W-50 (15Deg.F to Above 100Deg.F)), per the factory service manual.
How much oil does a 1984 Porsche 928 take?
The 1984 Porsche 928 holds 7.9 quarts with a filter change.
Can I use synthetic oil in my 1984 Porsche 928?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1984 Porsche 928. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.