Checked oil specs by engine
2018 Mazda MX-5 oil capacity, type & filter
The 2018 Mazda MX-5 oil capacity is 4.5 qt (2.0L 4-Cyl) and 4.5 qt (1.5L). All engines use 0W-20 oil.
| Engine | Capacity | Oil Type | Filter |
|---|---|---|---|
| 2.0L 4-Cyl | 4.5 qt | 0W-20 | Purolator L14612 |
| 1.5L | 4.5 qt | 0W-20 | — |
Match one of 2 checked engine options before buying oil or a filter. Also check 2018 Mazda MX-5 Miata .
Confirm Purolator L14612 in the retailer selector before checkout.
Search paths only — confirm your OEM viscosity spec and quantity before checkout.
2018 Mazda MX-5 oil specs: capacity conditions and filter notes
Check the door jamb sticker, owner's manual, or displacement badge on the engine cover. Match it to the engine options listed above before buying oil or a filter.
With filter means the volume includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.
Filter fitment has not been fully verified for every engine listed. Confirm the part number with the retailer before ordering.
Retailer fitment tools may use different data. Confirm oil capacity, viscosity, and filter part number before ordering.
Source coverage for the 2018 Mazda MX-5
Supported by Valvoline Product Finder and CarAraC Engine Oil.
Supported by Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil.
Supported by Purolator Part Finder.
4 checked source rows for the 2018 Mazda MX-5.
Before ordering for this 2018 Mazda MX-5
- Capacity
- 4.5 qt (Service fill)
- Oil type
- 0W-20
- Interval
- 7,500 mi / 12 mo
- Filter
- Purolator L14612
- Capacity
- 4.5 qt (Service fill)
- Oil type
- 0W-20
- Filter
- Unverified
Source check: Last checked 2026-06-27 from Purolator Part Finder, Valvoline Product Finder, CarAraC Engine Oil, and Castrol (Olyslager).
Mazda MX-5 oil specs by year
This table includes checked Mazda MX-5 model years available in our database.
| Year | Capacity | Oil type | Filter |
|---|---|---|---|
| 2025 | 4.5 qt (multiple engines) | 0W-20 | Purolator L14612 |
| 2018 Current page | 4.5 qt (multiple engines) | 0W-20 | Purolator L14612 |
| 2017 | 4.5 qt | 0W-20 | Purolator L14612 |
| 2016 | 4.5 qt | 0W-20 | Purolator L14612 |
| 2014 | 4.9 qt | 0W-20 | Purolator L10241 |
| 2013 | 4.9 qt | 0W-20 | Purolator L10241 |
| 2012 | 4.9 qt | 0W-20 | Purolator L10241 |
| 2011 | 4.9 qt | 0W-20 | Purolator L10241 |
| 2010 | 4.7 qt (multiple engines) | 0W-20 | Purolator L10241 |
| 2009 | 4.7 qt (multiple engines) | 0W-20 | Purolator L10241 |
| 2008 | 4.7 qt (multiple engines) | 0W-20 | Purolator L10241 |
| 2007 | 4.7 qt (multiple engines) | 0W-20 | Purolator L10241 |
| 2006 | 4.7 qt (multiple engines) | 0W-20 | Purolator L10241 |
How we verified 2018 Mazda MX-5 oil data
How we verify fitmentChecked fitment data. Last checked: 2026-06-27.
This page checked 4 sources for the 2018 Mazda MX-5. The table lists which checked source contributed capacity, oil type, or filter evidence.
We checked leading oil brands and aftermarket filter catalogs so you don't have to.
- Confidence
- Cross-check pending
- Sources checked
- 4
- Last checked
- 2026-06-27
- Capacity: Valvoline Product Finder and CarAraC Engine Oil
- Oil type: Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
- Filter: Purolator Part Finder
- Change interval: Castrol (Olyslager), Valvoline Product Finder, and CarAraC Engine Oil
| Source | Supports | Checked | Link |
|---|---|---|---|
| Purolator Part Finder | Filter | 2026-06-27 | Visit brand site |
| Valvoline Product Finder | Capacity, Oil type | 2026-06-27 | Checked source |
| CarAraC Engine Oil | Capacity, Oil type | 2026-06-27 | Checked source |
| Castrol (Olyslager) | Oil type | 2026-06-27 | Visit brand site |
2018 Mazda MX-5 oil FAQ
Which engine configuration applies to my vehicle?
Use the door jamb sticker, owner's manual, or engine cover badge to identify your engine, then match it to the engine options listed above.
Is the oil capacity measured with or without the filter?
Capacity condition matters. With filter includes a new filter. Service fill is the typical drain-and-fill amount. Dry fill is for a fresh empty engine only.
Why should I confirm before buying?
Retailer catalogs can update separately. Confirm the exact 2018 Mazda MX-5 selector at checkout before you buy.
Do I also need to match the OEM oil approval?
Yes. Viscosity is only one part of the oil spec. Match the oil approval listed in your owner's manual or on the bottle before checkout.
How often should I change the oil on a 2018 Mazda MX-5?
Change intervals vary by engine option for this vehicle. Always follow your owner's manual and oil-life monitor. Severe service may require a shorter interval.
Do I need a new drain plug gasket?
Replace it when your vehicle uses a serviceable gasket or crush washer. Confirm the gasket size and drain plug torque from the service manual or parts counter.
2018 Mazda MX-5 maintenance checklist
One part checked. Look up the rest while you're here.
Where to buy
These are retailer search paths for your vehicle. The specs above are checked — use the retailer's vehicle selector at checkout to confirm before ordering.
This section may include affiliate or sponsored retailer links. They are purchase paths, not fitment evidence.
Walmart
Compare oil and filter listings for the 2018 Mazda MX-5. Confirm capacity, viscosity, and filter part number before checkout.
Search 2018 Mazda MX-5 oil & filter →AutoZone
Use AutoZone's vehicle selector for the 2018 Mazda MX-5 before checkout to confirm oil capacity, viscosity, and filter fitment.
Search 2018 Mazda MX-5 oil & filter →Amazon
Search Amazon listings for the 2018 Mazda MX-5 and check listing fitment notes against the specs above.
Search 2018 Mazda MX-5 oil & filter →O'Reilly
Open O'Reilly's fitment search for the 2018 Mazda MX-5 and verify oil capacity, viscosity, and filter part number before ordering.
Search 2018 Mazda MX-5 oil & filter →Look up another vehicle
Find checked oil capacity, type, and filter data by exact year, make, and model.