2011 Mazda CX-9 Oil Type & Capacity
The 2011 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 - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Grand Touring, 3.7 A, FWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Grand Touring, 3.7 V, AWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Grand Touring, 3.7 V, FWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 A, AWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 A, FWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 V, AWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Sport, 3.7 V, FWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 A, AWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 A, FWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 V, AWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
| Touring, 3.7 V, FWD | API - SM or ILSAC, SAE 5W-20 Engine Oil | 5.50 QTS. | 5.00 QTS. | — |
Buy the right oil
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More specs & repair guides for your CX-9
2011 Mazda CX-9 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
12.2 quarts (11.54 L) — FL22 Type Engine Coolant. If the "FL22" mark is shown on or near the cooling system cap, use Mazda Genuine FL22 engine coolant. FL22 type engine coolant is shipped as a diluted solution. Use the solution as is when replacing coolant.
Frequently asked questions
What type of oil does a 2011 Mazda CX-9 take?
The 2011 Mazda CX-9 takes 5W-20 motor oil (API - SM or ILSAC, SAE 5W-20 Engine Oil), per the factory service manual.
How much oil does a 2011 Mazda CX-9 take?
The 2011 Mazda CX-9 holds 5.5 quarts with a filter change, or 5.0 quarts without changing the filter.
Can I use synthetic oil in my 2011 Mazda CX-9?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2011 Mazda CX-9. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.