2002 Infiniti Q45 Oil Type & Capacity: 5W-30 (5.6 quarts)
The 2002 Infiniti Q45 takes 5W-30 motor oil — 5.6 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 |
|---|---|---|---|---|
| Q45 | API - SAE 5W-30 | 5.60 QTS. | 5.25 QTS. | API - SG/SH, Energy Conserving I and II or API - SJ, Energy Conserving. ILSAC grade GF-I and GF-II. |
More factory specs & repair guides for your Q45
🛞 2002 Infiniti Q45 Tire Size & Pressure →🌧️ 2002 Infiniti Q45 Wiper Blade Sizes →💡 2002 Infiniti Q45 Light Bulb Sizes →📖 2002 Infiniti Q45 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
10.35 quarts (9.79 L) — 50/50 mixture of NISSAN Long Life Antifreeze/Coolant or equivalent and demineralized or distilled water
Frequently asked questions
What type of oil does a 2002 Infiniti Q45 take?
The 2002 Infiniti Q45 takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
What is the oil capacity of a 2002 Infiniti Q45?
The 2002 Infiniti Q45 oil capacity is 5.6 quarts with a filter change, or 5.25 quarts without changing the filter.
How often should I change the oil in my 2002 Infiniti Q45?
Most 2002 Infiniti Q45 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 — Infiniti recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2002 Infiniti Q45?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2002 Infiniti Q45. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.