2009 Mazda CX-9 Oil Type & Capacity: 5W-20 (5.5 quarts)
The 2009 Mazda CX-9 takes 5W-20 motor oil — 5.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 5.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Grand Touring, 3.7 A, AWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Grand Touring, 3.7 A, FWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Grand Touring, 3.7 V, AWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Grand Touring, 3.7 V, FWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 A, AWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 A, FWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 V, AWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 V, FWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 A, AWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 A, FWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 V, AWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 V, FWD | API - SL or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
More factory specs & repair guides for your CX-9
🛞 2009 Mazda CX-9 Tire Size & Pressure →🌧️ 2009 Mazda CX-9 Wiper Blade Sizes →💡 2009 Mazda CX-9 Light Bulb Sizes →📖 2009 Mazda CX-9 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
13.6 quarts (12.87 L). FL22 type engine coolant concentration is factory adjusted. Use the product as it is without diluting it. Except FL22 type engine coolant: Above 3Deg.F use: 35% Antifreeze solution and 65% demineralized water, above -15Deg.F use: 45% Antifreeze solution and 55% demineralized water, above -40Deg.F use: 55% Antifreeze solution and 45% demineralized water.
Frequently asked questions
What type of oil does a 2009 Mazda CX-9 take?
The 2009 Mazda CX-9 takes 5W-20 motor oil (API - SL or ILSAC, SAE 5W-20 Engine Oil), per the factory service manual.
What is the oil capacity of a 2009 Mazda CX-9?
The 2009 Mazda CX-9 oil capacity is 5.5 quarts with a filter change, or 5.0 quarts without changing the filter.
How often should I change the oil in my 2009 Mazda CX-9?
Most 2009 Mazda CX-9 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 — Mazda recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2009 Mazda CX-9?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Mazda CX-9. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.