1991 Nissan NX Oil Type & Capacity: 5W-30 (3.4 quarts)
The 1991 Nissan NX takes 5W-30 motor oil — 3.4 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 |
|---|---|---|---|---|
| 1600, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 3.40 QTS. | 3.00 QTS. | — |
| 1600, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 3.40 QTS. | 3.00 QTS. | — |
| 2000, Automatic | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 3.40 QTS. | 3.00 QTS. | — |
| 2000, Standard | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 3.40 QTS. | 3.00 QTS. | — |
More factory specs & repair guides for your NX
🛞 1991 Nissan NX Tire Size & Pressure →🌧️ 1991 Nissan NX Wiper Blade Sizes →💡 1991 Nissan NX Light Bulb Sizes →📖 1991 Nissan NX Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
5.6 quarts (5.29 L) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water
Frequently asked questions
What type of oil does a 1991 Nissan NX take?
The 1991 Nissan NX takes 5W-30 motor oil (API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1991 Nissan NX?
The 1991 Nissan NX oil capacity is 3.4 quarts with a filter change, or 3.0 quarts without changing the filter.
How often should I change the oil in my 1991 Nissan NX?
Most 1991 Nissan NX 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 — Nissan recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1991 Nissan NX?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Nissan NX. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.