Mazda CX 30 oil specs by year

Mazda CX 30 oil specs changed across the 2020–2025 range. The most recent checked year uses 4.8 qt of 5W-30. Select the exact year to see the checked capacity, viscosity, and filter for that model year.

Multiple engine options: The Mazda CX 30 was offered with 4 engine options across its history. Open the exact year page and select your engine to see the correct capacity and viscosity for your vehicle.
Year Capacity Oil type Filter Page
2025 4.8 qt 5W-30 AMSOIL EA15K12; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit Open record →
2024 5.1 qt 5W-30 Purolator L14612; AMSOIL EA15K12; AMSOIL EA15K01 Verified fit Open record →
2023 4.8 qt 0W-20 AMSOIL EA15K12; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit Open record →
2022 4.8 qt 0W-20 AMSOIL EA15K12; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit Open record →
2021 4.8 qt 0W-20 AMSOIL EA15K12; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit Open record →
2020 4.8 qt 0W-20 AMSOIL EA15K12; AMSOIL EA15K01; AMSOIL EA15K02 Verified fit Open record →

Mazda CX 30 oil spec changes by year

Checked records show 2 spec changes across the 2020–2025 range. 2024: capacity and viscosity changed from 4.8 qt / 0W-20 to 5.1 qt / 5W-30 (vs 2023). 2025: capacity changed from 5.1 qt to 4.8 qt (vs 2024). Open the exact year page for the full source notes before buying.

  • 2021: engine option “2.0L 4-Cyl” added.
  • 2021: engine option “2.5L 4-Cyl Turbo” added.
  • 2021: engine option “2.5L 4-Cyl” removed.
  • 2021: engine option “2.0L” removed.
  • 2024: engine option “2.0L 4-Cyl” removed.

Mazda CX 30 oil — frequently asked questions

What oil does the Mazda CX 30 take?
The Mazda CX 30 oil spec has changed across model years. The most recent checked year uses 4.8 qt of 5W-30. Use the year table above to find the spec for your specific model year.
Does the Mazda CX 30 oil capacity change across years?
Yes. Checked records show 2 capacity changes across the 2020–2025 range. Use the year table above to find the exact capacity for your model year and confirm in your owner's manual.
Does the Mazda CX 30 have different oil specs for different engines?
Yes. The Mazda CX 30 has been offered with multiple engine options (2.0L, 2.0L 4-Cyl, 2.5L 4-Cyl, and others). Each engine can have a different oil capacity and viscosity. Open the exact year page, select your engine, and confirm specs before buying.
What oil filter fits the Mazda CX 30?
The most recent checked year lists AMSOIL EA15K12; AMSOIL EA15K01; AMSOIL EA15K02 as a compatible oil filter for the Mazda CX 30. Filter part numbers can change across model years — open the exact year page for the source-checked part number for your year.

Look up a specific Mazda CX 30 year

Select a model year to open the exact checked oil fitment record before ordering.