1990 Subaru Loyale Oil Type & Capacity: 5W-30 (4.2 quarts)
The 1990 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 |
|---|---|---|---|---|
| Base, 2D Coupe, 1.8 4, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 2D Coupe, 1.8 4, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 2D Coupe, 1.8 5, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 2D Coupe, 1.8 5, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Sedan, 1.8 4, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Sedan, 1.8 4, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Sedan, 1.8 5, 4WD, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Sedan, 1.8 5, 4WD, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Sedan, 1.8 5, AWD | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Wagon, 1.8 4, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Wagon, 1.8 4, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Wagon, 1.8 5, 4WD, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Wagon, 1.8 5, 4WD, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| Base, 4D Wagon, 1.8 5, AWD | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| RS, 4WD, Automatic | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| RS, 4WD, Standard | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
| RS, AWD | API - SAE 5W-30 (Below 30Deg.F), 10W-30/40 (15Deg.F to 95Deg.F) | 4.20 QTS. | — | — |
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More factory specs & repair guides for your Loyale
🛞 1990 Subaru Loyale Tire Size & Pressure →🌧️ 1990 Subaru Loyale Wiper Blade Sizes →💡 1990 Subaru Loyale Light Bulb Sizes →📖 1990 Subaru Loyale Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network 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 1990 Subaru Loyale take?
The 1990 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.
What is the oil capacity of a 1990 Subaru Loyale?
The 1990 Subaru Loyale oil capacity is 4.2 quarts with a filter change.
How often should I change the oil in my 1990 Subaru Loyale?
Most 1990 Subaru Loyale 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 1990 Subaru Loyale?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1990 Subaru Loyale. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.