1991 Subaru Loyale Oil Type & Capacity
The 1991 Subaru Loyale takes 5W-30 motor oil — 4.2 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.2 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2D Coupe, 1.8 4, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 2D Coupe, 1.8 4, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 2D Coupe, 1.8 5, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 2D Coupe, 1.8 5, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Sedan, 1.8 4, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Sedan, 1.8 4, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Sedan, 1.8 5, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Sedan, 1.8 5, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Wagon, 1.8 4, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Wagon, 1.8 4, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Wagon, 1.8 5, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| 4D Wagon, 1.8 5, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Loyale
1991 Subaru Loyale factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
5.8 quarts (5.48 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water
Frequently asked questions
What type of oil does a 1991 Subaru Loyale take?
The 1991 Subaru Loyale takes 5W-30 motor oil (API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F)), per the factory service manual.
How much oil does a 1991 Subaru Loyale take?
The 1991 Subaru Loyale holds 4.2 quarts with a filter change.
Can I use synthetic oil in my 1991 Subaru Loyale?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Subaru Loyale. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.