1990 Acura Legend Oil Type & Capacity: 5W-30 (4.8 quarts)
The 1990 Acura Legend takes 5W-30 motor oil — 4.8 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.8 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 2D Coupe, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| Base, 2D Coupe, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| Base, 4D Sedan, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| Base, 4D Sedan, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| L, 2D Coupe, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| L, 2D Coupe, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| L, 4D Sedan, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| L, 4D Sedan, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| LS, 2D Coupe, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| LS, 2D Coupe, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| LS, 4D Sedan, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
| LS, 4D Sedan, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.80 QTS. | — | — |
Complete Oil Change Bundle for 1990 Acura Legend
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More factory specs & repair guides for your Legend
🛞 1990 Acura Legend Tire Size & Pressure →🌧️ 1990 Acura Legend Wiper Blade Sizes →💡 1990 Acura Legend Light Bulb Sizes →📖 1990 Acura Legend Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.1 quarts (6.71 L) — 50/50 mixture of HONDA Antifreeze/Coolant and water. Excluding the coolant in the reserve tank .75 qt. and that remaining in the engine.
Frequently asked questions
What type of oil does a 1990 Acura Legend take?
The 1990 Acura Legend takes 5W-30 motor oil (API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1990 Acura Legend?
The 1990 Acura Legend oil capacity is 4.8 quarts with a filter change.
How often should I change the oil in my 1990 Acura Legend?
Most 1990 Acura Legend 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 — Acura recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1990 Acura Legend?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1990 Acura Legend. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.