1991 Acura Legend Oil Type & Capacity
The 1991 Acura Legend takes 5W-30 motor oil — 4.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.90 QTS. | — | — |
| Base, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (20Deg.F to Above 100Deg.F) | 4.90 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) | 4.90 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) | 4.90 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) | 4.90 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) | 4.90 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) | 4.90 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) | 4.90 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) | 4.90 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) | 4.90 QTS. | — | — |
Buy the right oil
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More specs & repair guides for your Legend
1991 Acura Legend factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
7.9 quarts (7.47 L) — 50/50 mixture of HONDA Antifreeze/Coolant and water. Includes: the coolant in the reserve tank (.69 qt.) and that remaining in the engine.
Frequently asked questions
What type of oil does a 1991 Acura Legend take?
The 1991 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.
How much oil does a 1991 Acura Legend take?
The 1991 Acura Legend holds 4.9 quarts with a filter change.
Can I use synthetic oil in my 1991 Acura Legend?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Acura Legend. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.