1989 Mitsubishi Starion Oil Type & Capacity: 20W-20 (4.0 quarts)
The 1989 Mitsubishi Starion 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 |
|---|---|---|---|---|
| Starion — 2.6L 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. | — | — |
More factory specs & repair guides for your Starion
🛞 1989 Mitsubishi Starion Tire Size & Pressure →🌧️ 1989 Mitsubishi Starion Wiper Blade Sizes →💡 1989 Mitsubishi Starion Light Bulb Sizes →📖 1989 Mitsubishi Starion Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.5 quarts (8.99 L) — 50/50 mixture of High quality ethylene-glycol antifreeze and water
Frequently asked questions
What type of oil does a 1989 Mitsubishi Starion take?
The 1989 Mitsubishi Starion 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.
What is the oil capacity of a 1989 Mitsubishi Starion?
The 1989 Mitsubishi Starion oil capacity is 4.0 quarts with a filter change.
How often should I change the oil in my 1989 Mitsubishi Starion?
Most 1989 Mitsubishi Starion owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Mitsubishi recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1989 Mitsubishi Starion?
Yes. 20W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1989 Mitsubishi Starion. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.