2021 Mazda CX-5Oil Type & Capacity

OEM spec from the factory service manual for the Carbon Edition Turbo, AWD variant.

Quick Answer

Oil Type

API - ILSAC, SAE 5W-30 Engine Oil

Capacity (w/ Filter)

5.10 QTS.

4.82 L

Variant

Carbon Edition Turbo, AWD

Source: Factory service manual β€” 2021 Mazda CX-5 Carbon Edition Turbo, AWD. View full manual section β†’

Frequently Asked Questions

What type of oil does a 2021 Mazda CX-5 take?
The 2021 Mazda CX-5 requires API - ILSAC, SAE 5W-30 Engine Oil. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the Carbon Edition Turbo, AWD configuration.
How much oil does a 2021 Mazda CX-5 need?
The 2021 Mazda CX-5 takes 5.10 QTS. (4.82 L) of engine oil with the filter replaced.
Can I use synthetic oil in my 2021 Mazda CX-5?
Yes β€” synthetic oil that meets the API - ILSAC, SAE 5W-30 Engine Oil specification is acceptable and often preferred for better protection and longer change intervals.
What happens if I use the wrong oil in my 2021 Mazda CX-5?
Using oil that does not meet the API - ILSAC, SAE 5W-30 Engine Oil specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.