2021 Mazda MX-5 Miata
Maintenance & specsVERIFIED Oct 29, 2026
The 2021 Mazda MX-5 Miata takes 0W-20 Full Synthetic with a total capacity of 4.2 quarts (filter included). You’ll need a 17mm socket for the drain plug, torqued to 34 Nm. The OEM oil filter is the Mazda 1WPE-14-302. Below you’ll find complete maintenance specs, fluid capacities, parts, and links to buy what you need.
⚑ QUICK DIY TIPS FOR THE 2021 MAZDA MX-5 MIATA
- Torque your drain plug to 34 Nm (25 ft-lbs) to avoid leaks or stripped threads.
- Using the OEM filter (Mazda 1WPE-14-302) is recommended for warranty compliance.
- Always use 0W-20 Full Synthetic as specified by Mazda — using the wrong viscosity can void your powertrain warranty.
- Check the maintenance schedule below for your next service interval.
01
Oil & Filter
02
Fluid Specifications
03
Parts & Specifications
04
Maintenance Schedule
≈ every 6 months
- ▸Change Engine Oil & Filter
05
Torque Specifications
Estimated Current Value
Original MSRP
$40,000
Private Party
$19,760–$21,840
Dealer Retail
$22,880–$26,000
Trade-In
$17,680–$19,760
Depreciation
48%
Estimated values assume average condition and mileage for vehicle age.
Source: estimated
Save by doing it yourself
A shop typically charges $70–$140 for this service. Buy the parts and save.
08
Tools & Supplies
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