Mazda MX-5 III (NC) Wheel Lug Pattern, Offset, Center Bore & Rim Size Reference
The Mazda MX-5 III (NC), produced from 2005 to 2015, features specific wheel lug patterns essential for proper wheel fitment and safety. This model uses a 5×114.3mm lug pattern, meaning five lug holes spaced on a 114.3mm pitch circle diameter (PCD). Understanding this specification is critical when selecting aftermarket or replacement wheels.\n\nOffset (ET) values for the MX-5 III (NC) typically range between ET35 and ET50, depending on the specific wheel design and model year. Proper offset ensures the wheels sit correctly in the wheel wells, preserving handling and appearance. Additionally, the center bore diameter for this model is 54.1mm, which must be matched or hub-centric rings used for optimal fit.\n\nRim sizes commonly associated with the MX-5 III (NC) vary from 15 to 17 inches in diameter, often with a width between 6 to 7.5 inches. These dimensions influence tire selection and overall vehicle dynamics. Using the correct wheel lug pattern combined with proper offset and center bore guarantees safe and efficient wheel fitment.\n\nRefer to the year-sorted Mazda wheel lug pattern catalog on our site to confirm the exact specifications for your MX-5 III (NC). This resource helps avoid compatibility issues and supports informed upgrades or replacements.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Mazda MX-5 III (NC) 1.8 | 2007 | 205/50R16 | 6.5 | 16 | 5×114.3 | 55 | 67.1 | M12*1,5 |
| Mazda MX-5 III (NC) 1.8 | 2006 | 205/50R16 | 6.5 | 16 | 5×114.3 | 55 | 67.1 | M12*1,5 |
| Mazda MX-5 III (NC) 1.8 | 2005 | 205/50R16 | 6.5 | 16 | 5×114.3 | 55 | 67.1 | M12*1,5 |
FAQ
- What is the Mazda MX-5 III (NC) lug pattern?
- The MX-5 III (NC) uses a 5×114.3mm lug pattern (5 lug holes with a 114.3mm pitch circle diameter).
- What offset (ET) values suit the Mazda MX-5 III (NC)?
- Offset values for this model generally range from ET35 to ET50 depending on the wheel type and year.
- What is the center bore size for the MX-5 III (NC) wheels?
- The center bore diameter for the Mazda MX-5 III (NC) is 54.1mm.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
