2015 Mazda 6 Oil Type & Capacity: 0W-20 (4.8 quarts)
The 2015 Mazda 6 takes 0W-20 motor oil — 4.8 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 |
|---|---|---|---|---|
| 2.5L — Grand Touring, 2.5L Eng VIN 5 | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Grand Touring, 2.5L Eng VIN 6 | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Sport, 2.5L Eng VIN 5, Automatic Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Sport, 2.5L Eng VIN 5, Standard Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Sport, 2.5L Eng VIN 6, Automatic Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Sport, 2.5L Eng VIN 6, Standard Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Touring, 2.5L Eng VIN 5, Automatic Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Touring, 2.5L Eng VIN 5, Standard Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Touring, 2.5L Eng VIN 6, Standard Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
| 2.5L — Touring, 2.5L Eng VIN 6, Automatic Trans | API - ILSAC, SAE 0W-20 Engine Oil | 4.80 QTS. | 4.50 QTS. | — |
More factory specs & repair guides for your 6
🛞 2015 Mazda 6 Tire Size & Pressure →🌧️ 2015 Mazda 6 Wiper Blade Sizes →💡 2015 Mazda 6 Light Bulb Sizes →📖 2015 Mazda 6 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
7.6 quarts (7.19 L). Use FL22 type coolant in vehicles with the inscription "FL22" on the radiator cap itself or the surrounding area. For vehicles without "FL22" inscription use a mixture of demineralized water and ethylene-glycol-based coolant. Do not use solution that contains more than 60% antifreeze. Above -16Deg. C {3.2Deg. F} 65% water/35% coolant. Above -26Deg.C {-15Deg.F} 55% water/45% coolant. Above -40 Deg. C {-40Deg.F} 45% water/55% coolant.
Frequently asked questions
What type of oil does a 2015 Mazda 6 take?
The 2015 Mazda 6 takes 0W-20 motor oil (API - ILSAC, SAE 0W-20 Engine Oil), per the factory service manual.
What is the oil capacity of a 2015 Mazda 6?
The 2015 Mazda 6 oil capacity is 4.8 quarts with a filter change, or 4.5 quarts without changing the filter.
How often should I change the oil in my 2015 Mazda 6?
Most 2015 Mazda 6 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 2015 Mazda 6?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2015 Mazda 6. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.