1999 Infiniti QX4 Oil Type & Capacity
The 1999 Infiniti QX4 takes 5W-30 motor oil — 3.9 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 3.9 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| QX4 | API - SAE 5W-30 | 3.90 QTS. | 3.60 QTS. | API - SG/SH Energy Conserving II. |
Buy the right oil
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More specs & repair guides for your QX4
1999 Infiniti QX4 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.25 quarts (10.64 L) — Ethylene Glycol Antifreeze Coolant
Frequently asked questions
What type of oil does a 1999 Infiniti QX4 take?
The 1999 Infiniti QX4 takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
How much oil does a 1999 Infiniti QX4 take?
The 1999 Infiniti QX4 holds 3.9 quarts with a filter change, or 3.6 quarts without changing the filter.
Can I use synthetic oil in my 1999 Infiniti QX4?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1999 Infiniti QX4. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.