The Mazda CX-9 has different oil capacities depending on the model year and engine option.
For example, the 2021 CX-9 with the 2.5L 4-cyl [Y] Turbo engine has an oil capacity of 5.1 quarts (4.83 liters), the 2015 CX-9 with the 3.7L 6-cyl [A] engine has an oil capacity of 5.5 quarts (5.2 liters) and the 2015 CX-9 with the 3.7L 6-cyl [V] engine has an oil capacity of 5.5 quarts (5.2 liters).
It's essential to fill the engine of your Mazda CX-9 to its recommended oil level, as indicated by the mark on its dipstick. So, whenever you change your oil or add to it, run your engine for a few seconds, turn it off, and double-check the level.
Continue to the tables below to see the oil capacity for the particular year and engine option of your Mazda CX-9.
| Year | Engine Option | Engine Oil Capacity1 (Imperial) | Engine Oil Capacity1 (Metric) | Recommended Oil Viscosity2 |
|---|---|---|---|---|
| 2021 | 2.5L 4-cyl [Y] Turbo | 5.1 Quarts | 4.83 Liters | 5W-30 |
| 2020 | 2.5L 4-cyl [Y] Turbo | 5.1 Quarts | 4.83 Liters | 5W-30 |
| Year | Engine Option | Engine Oil Capacity1 (Imperial) | Engine Oil Capacity1 (Metric) | Recommended Oil Viscosity2 |
|---|---|---|---|---|
| 2019 | 2.5L 4-cyl [Y] Turbo | 5.1 Quarts | 4.83 Liters | 5W-30 |
| 2018 | 2.5L 4-cyl [Y] Turbo | 5.1 Quarts | 4.83 Liters | 5W-30 |
| 2017 | 2.5L 4-cyl [Y] Turbo | 5.1 Quarts | 4.83 Liters | 5W-30 |
| 2016 | 2.5L 4-cyl [Y] Turbo | 5.1 Quarts | 4.83 Liters | 5W-30 |
| Year | Engine Option | Engine Oil Capacity1 (Imperial) | Engine Oil Capacity1 (Metric) | Recommended Oil Viscosity2 |
|---|---|---|---|---|
| 2015 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2015 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2014 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2014 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2013 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2013 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2012 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2012 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2011 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2011 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| Year | Engine Option | Engine Oil Capacity1 (Imperial) | Engine Oil Capacity1 (Metric) | Recommended Oil Viscosity2 |
|---|---|---|---|---|
| 2010 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2010 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2009 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2009 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2008 | 3.7L 6-cyl [A] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2008 | 3.7L 6-cyl [V] | 5.5 Quarts | 5.2 Liters | 5W-20 |
| 2007 | 3.5L 6-cyl MZI | 5.5 Quarts | 5.2 Liters | 5W-20 |
MyBestVehicle.com is a website designed to quickly find the engine oil capacity of your vehicle.
Having the incorrect oil level in the engine of your Mazda CX-9 could result in catastrophic engine damage.
We recommend checking the engine oil level in your Mazda CX-9 regularly, ideally once a week.