1989 Mitsubishi Sigma Oil Type & Capacity
The 1989 Mitsubishi Sigma takes 20W-20 motor oil — 4.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
20W-20 — 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic — 3.0L Eng | SAE 20W-20/30/40 (0Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-20/30/40 (Below -20Deg.F to 60Deg.F) | 4.00 QTS. | — | — |
| Standard — 3.0L Eng | SAE 20W-20/30/40 (0Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-20/30/40 (Below -20Deg.F to 60Deg.F) | 4.00 QTS. | — | — |
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More specs & repair guides for your Sigma
1989 Mitsubishi Sigma factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
9.7 quarts (9.17 L) — 50/50 mixture of High quality ethylene-glycol antifreeze and water
Frequently asked questions
What type of oil does a 1989 Mitsubishi Sigma take?
The 1989 Mitsubishi Sigma takes 20W-20 motor oil (SAE 20W-20/30/40 (0Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-20/30/40 (Below -20Deg.F to 60Deg.F)), per the factory service manual.
How much oil does a 1989 Mitsubishi Sigma take?
The 1989 Mitsubishi Sigma holds 4.0 quarts with a filter change.
Can I use synthetic oil in my 1989 Mitsubishi Sigma?
Yes. 20W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1989 Mitsubishi Sigma. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.