2009 Infiniti M45 Oil Type & Capacity
The 2009 Infiniti M45 oil type depends on the engine: the Base takes 5W-30 (5.88 quarts qt with filter); the x takes 5W-30 (6.15 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base: 5W-30, 5.88 quarts with filter
- x: 5W-30, 6.15 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base — RWD | API - SAE 5W-30 | 5.88 QTS. | 5.15 QTS. | — |
| x — AWD | API - SAE 5W-30 | 6.15 QTS. | 5.50 QTS. | — |
More factory specs & repair guides for your M45
🛞 2009 Infiniti M45 Tire Size & Pressure →🌧️ 2009 Infiniti M45 Wiper Blade Sizes →💡 2009 Infiniti M45 Light Bulb Sizes →📖 2009 Infiniti M45 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
11.0 quarts (10.4 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 2009 Infiniti M45 take?
It depends on the engine: Base uses 5W-30; x uses 5W-30.
What is the oil capacity of a 2009 Infiniti M45?
Oil capacity depends on the engine: Base holds 5.88 quarts with filter; x holds 6.15 quarts with filter.
How often should I change the oil in my 2009 Infiniti M45?
Most 2009 Infiniti M45 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 2009 Infiniti M45?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Infiniti M45. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.