1988 Subaru XT6 Oil Type & Capacity: 5W-30 (5.3 quarts)
The 1988 Subaru XT6 takes 5W-30 motor oil — 5.3 quarts with a filter change, per the factory service manual.
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2.7 8 — 2.7L Eng | API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F) | 5.30 QTS. | — | — |
| 2.7 9, Automatic — 2.7L Eng | API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F) | 5.30 QTS. | — | — |
| 2.7 9, Standard — 2.7L Eng | API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F) | 5.30 QTS. | — | — |
More factory specs & repair guides for your XT6
🛞 1988 Subaru XT6 Tire Size & Pressure →🌧️ 1988 Subaru XT6 Wiper Blade Sizes →💡 1988 Subaru XT6 Light Bulb Sizes →📖 1988 Subaru XT6 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.4 quarts (7 L) — Anti-freeze and Anticorrosive Ethylene-Glycol Coolant
Frequently asked questions
What type of oil does a 1988 Subaru XT6 take?
The 1988 Subaru XT6 takes 5W-30 motor oil (API - SAE 5W-30 (Below -30Deg.F to -5Deg.F), 10W-30/40/50 (Below -30Deg.F to 90Deg.F), 30, 20W-40/50 (30Deg.F to 90Deg.F), 40 (Above 90Deg.F)), per the factory service manual.
What is the oil capacity of a 1988 Subaru XT6?
The 1988 Subaru XT6 oil capacity is 5.3 quarts with a filter change.
How often should I change the oil in my 1988 Subaru XT6?
Most 1988 Subaru XT6 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 — Subaru recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1988 Subaru XT6?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1988 Subaru XT6. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.