
Post Written By Jackson Briar
How Many Quarts Of Transmission Fluid Do I Need? Transmission Care
Vehicle Specification Lookup Tool🔍
The Mazda CX-9 engine oil capacity is between 5.1 quarts (4.8 liters) and 5.5 quarts (5.2 liters) as specified in our data below, organized by trim, option package, and model year.
For example:
Check out the Oil Capacity specifications for other makes and models.

The oil capacity data we have for the 2023 Mazda CX-9 includes the engine oil, the automatic transmission, and the transfer case.
The 2023 Mazda CX-9 engine oil capacity is 5.1 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 5.1 Quarts | 4.8 Liters | 5W-30 |
The 2023 Mazda CX-9 has an automatic transmission oil capacity of 8.5 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Initial Fill (Imp.) | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Initial Fill (Metric) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 3.7 Quarts | 5.1 Quarts | 8.5 Quarts | 4.8 Liters | 8 Liters |
The 2023 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2021 Mazda CX-9 includes the engine oil, the rear differential, and the transfer case.
The 2021 Mazda CX-9 engine oil capacity is 5.1 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 5.1 Quarts | 4.8 Liters | 5W-30 |
The 2021 Mazda CX-9 has a rear differential oil capacity of 0.6 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 0.6 Pints | 0.3 Liters |
The 2021 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2020 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2020 Mazda CX-9 engine oil capacity is 5.1 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 5.1 Quarts | 4.8 Liters | 5W-30 |
The 2020 Mazda CX-9 has an automatic transmission oil capacity of 8.5 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Initial Fill (Imp.) | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Initial Fill (Metric) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 6 Spd GW6A-EL | 3.7 Quarts | 8.5 Quarts | 3.5 Liters | 8 Liters |
| 2.5L | 4 Cyl. | Turbo | 6 Spd Gw6Ax-EL | 3.7 Quarts | 8.5 Quarts | 3.5 Liters | 8 Liters |
The 2020 Mazda CX-9 has a rear differential oil capacity of 0.6 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 0.6 Pints | 0.3 Liters |
The 2020 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2019 Mazda CX-9 includes the engine oil, the automatic transmission, and the rear differential.
The 2019 Mazda CX-9 engine oil capacity is 5.1 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 5.1 Quarts | 4.8 Liters | 5W-30 |
The 2019 Mazda CX-9 has an automatic transmission oil capacity of 8.5 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 6 Spd GW6A-EL | 8.5 Quarts | 8 Liters |
| 2.5L | 4 Cyl. | Turbo | 6 Spd Gw6Ax-EL | 8.5 Quarts | 8 Liters |
The 2019 Mazda CX-9 has a rear differential oil capacity of 0.6 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 0.6 Pints | 0.3 Liters |

The oil capacity data we have for the 2018 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2018 Mazda CX-9 engine oil capacity is 5.1 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 5.1 Quarts | 4.8 Liters | 5W-30 |
The 2018 Mazda CX-9 has an automatic transmission oil capacity of 8.5 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 6 Spd GW6A-EL | 8.5 Quarts | 8 Liters |
| 2.5L | 4 Cyl. | Turbo | 6 Spd Gw6Ax-EL | 8.5 Quarts | 8 Liters |
The 2018 Mazda CX-9 has a rear differential oil capacity of 0.6 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 0.6 Pints | 0.3 Liters |
The 2018 Mazda CX-9 has a transfer case oil capacity of 1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1 Pints | 0.5 Liters |
The oil capacity data we have for the 2017 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2017 Mazda CX-9 engine oil capacity is 5.1 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 5.1 Quarts | 4.8 Liters | 5W-30 |
The 2017 Mazda CX-9 has an automatic transmission oil capacity of 8.5 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 6 Spd GW6A-EL | 8.5 Quarts | 8 Liters |
| 2.5L | 4 Cyl. | Turbo | 6 Spd Gw6Ax-EL | 8.5 Quarts | 8 Liters |
The 2017 Mazda CX-9 has a rear differential oil capacity of 0.8 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 0.8 Pints | 0.4 Liters |
The 2017 Mazda CX-9 has a transfer case oil capacity of 1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1 Pints | 0.5 Liters |
The oil capacity data we have for the 2016 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2016 Mazda CX-9 engine oil capacity is 5.1 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 5.1 Quarts | 4.8 Liters | 5W-30 |
The 2016 Mazda CX-9 has an automatic transmission oil capacity of 8.5 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 2.5L | 4 Cyl. | Turbo | 6 Spd GW6A-EL | 8.5 Quarts | 8 Liters |
| 2.5L | 4 Cyl. | Turbo | 6 Spd Gw6Ax-EL | 8.5 Quarts | 8 Liters |
The 2016 Mazda CX-9 has a rear differential oil capacity of 0.8 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 0.8 Pints | 0.4 Liters |
The 2016 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2015 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2015 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2015 Mazda CX-9 has an automatic transmission oil capacity of 7 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd AY6A-EL | 7 Quarts | 6.6 Liters |
| 3.7L | 6 Cyl. | 6 Spd Ay6Ax-EL | 7 Quarts | 6.6 Liters |
The 2015 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2015 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2014 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2014 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2014 Mazda CX-9 has an automatic transmission oil capacity of 7 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd AY6A-EL | 7 Quarts | 6.6 Liters |
| 3.7L | 6 Cyl. | 6 Spd Ay6Ax-EL | 7 Quarts | 6.6 Liters |
The 2014 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2014 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2013 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2013 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2013 Mazda CX-9 has an automatic transmission oil capacity of 7 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd Aw6Ael | 7 Quarts | 6.6 Liters |
The 2013 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2013 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2012 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2012 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2012 Mazda CX-9 has an automatic transmission oil capacity of 7 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd Aw6Ael | 7 Quarts | 6.6 Liters |
The 2012 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2012 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2011 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2011 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2011 Mazda CX-9 has an automatic transmission oil capacity of 7 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd AW6A-EL | 7 Quarts | 6.6 Liters |
| 3.7L | 6 Cyl. | 6 Spd Aw6Ax-EL | 7 Quarts | 6.6 Liters |
The 2011 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2011 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2010 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2010 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2010 Mazda CX-9 has an automatic transmission oil capacity of 7.4 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd AW6A-EL | 7.4 Quarts | 7 Liters |
| 3.7L | 6 Cyl. | 6 Spd Aw6Ax-EL | 7.4 Quarts | 7 Liters |
The 2010 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2010 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2009 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2009 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2009 Mazda CX-9 has an automatic transmission oil capacity of 7.4 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd Aw6Ael | 7.4 Quarts | 7 Liters |
The 2009 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2009 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2008 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2008 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.7L | 6 Cyl. | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2008 Mazda CX-9 has an automatic transmission oil capacity of 7.4 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.7L | 6 Cyl. | 6 Spd Aw6Ael | 7.4 Quarts | 7 Liters |
The 2008 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2008 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |
The oil capacity data we have for the 2007 Mazda CX-9 includes the engine oil, the automatic transmission, the rear differential, and the transfer case.
The 2007 Mazda CX-9 engine oil capacity is 5.5 quarts for all engine configurations.
| Engine | Engine Oil Capacity (Imp.) | Engine Oil Capacity (Metric) | Engine Oil Viscosity |
|---|---|---|---|
| 3.5L | 6 Cyl. | MZI | 5.5 Quarts | 5.2 Liters | 5W-20 |
The 2007 Mazda CX-9 has an automatic transmission oil capacity of 7.4 quarts.
| Engine | Automatic Transmission Type | Automatic Transmission Total Fill (Imp.) | Automatic Transmission Total Fill (Metric) |
|---|---|---|---|
| 3.5L | 6 Cyl. | MZI | 6 Spd Aw6Ael | 7.4 Quarts | 7 Liters |
The 2007 Mazda CX-9 has a rear differential oil capacity of 2.1 pints.
| Rear Differential Total Fill (Imp.) | Rear Differential Total Fill (Metric) |
|---|---|
| 2.1 Pints | 1 Liters |
The 2007 Mazda CX-9 has a transfer case oil capacity of 1.1 pints.
| Transfer Case Type | Transfer Case Total Fill (Imp.) | Transfer Case Total Fill (Metric) |
|---|---|---|
| U/K TRC | 1.1 Pints | 0.5 Liters |

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