1993 Mitsubishi Diamante Oil Type & Capacity
The 1993 Mitsubishi Diamante oil type depends on the engine: the Base takes 20W-20 (4.2 quarts qt with filter); the ES, 3.0 H takes 20W-20 (4.0 quarts qt with filter); the ES, 3.0 S takes 20W-20 (4.0 quarts qt with filter); the LS takes 20W-20 (4.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base: 20W-20, 4.2 quarts with filter
- ES, 3.0 H: 20W-20, 4.0 quarts with filter
- ES, 3.0 S: 20W-20, 4.0 quarts with filter
- LS: 20W-20, 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base — Wagon | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 4.20 QTS. | — | — |
| ES, 3.0 H — Sedan | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 4.00 QTS. | — | — |
| ES, 3.0 S — Sedan | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 4.00 QTS. | — | — |
| LS — Sedan | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30 (Below -20Deg.F to 60Deg.F) | 4.00 QTS. | — | — |
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More factory specs & repair guides for your Diamante
🛞 1993 Mitsubishi Diamante Tire Size & Pressure →🌧️ 1993 Mitsubishi Diamante Wiper Blade Sizes →💡 1993 Mitsubishi Diamante Light Bulb Sizes →📖 1993 Mitsubishi Diamante Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
10.04 quarts (9.5 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. Includes: .74 qt. in reserve tank.
Frequently asked questions
What type of oil does a 1993 Mitsubishi Diamante take?
It depends on the engine: Base uses 20W-20; ES, 3.0 H uses 20W-20; ES, 3.0 S uses 20W-20; LS uses 20W-20.
What is the oil capacity of a 1993 Mitsubishi Diamante?
Oil capacity depends on the engine: Base holds 4.2 quarts with filter; ES, 3.0 H holds 4.0 quarts with filter; ES, 3.0 S holds 4.0 quarts with filter; LS holds 4.0 quarts with filter.
How often should I change the oil in my 1993 Mitsubishi Diamante?
Most 1993 Mitsubishi Diamante 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 1993 Mitsubishi Diamante?
Yes. 20W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1993 Mitsubishi Diamante. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.