1994 Isuzu Trooper Oil Type & Capacity: 5W-30 (5.7 quarts)
The 1994 Isuzu Trooper takes 5W-30 motor oil — 5.7 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 5.7 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| LS, Automatic — 3.2L Eng | API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F) | — | 5.00 QTS. | — |
| LS, Standard — 3.2L Eng | API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F) | — | 5.00 QTS. | — |
| RS, Automatic — 3.2L Eng | API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F) | — | 5.00 QTS. | — |
| RS, Standard — 3.2L Eng | API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F) | — | 5.00 QTS. | — |
| S, Automatic — 3.2L Eng | API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F) | — | 5.00 QTS. | — |
| S, Standard — 3.2L Eng | API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F) | — | 5.00 QTS. | — |
| SE — 3.2L Eng | API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F) | — | 5.00 QTS. | — |
More factory specs & repair guides for your Trooper
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Coolant capacity
9.0 quarts (8.51 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water
Frequently asked questions
What type of oil does a 1994 Isuzu Trooper take?
The 1994 Isuzu Trooper takes 5W-30 motor oil (API - SAE 5W-30, 10W-30 (Below 100Deg.F), 15W-40, 20W-40/50 (5Deg.F to 110Deg.F)), per the factory service manual.
What is the oil capacity of a 1994 Isuzu Trooper?
The 1994 Isuzu Trooper oil capacity is 5.7 quarts with a filter change, or 5.0 quarts without changing the filter.
How often should I change the oil in my 1994 Isuzu Trooper?
Most 1994 Isuzu Trooper 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 — Isuzu recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1994 Isuzu Trooper?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1994 Isuzu Trooper. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.