2007 Mazda MX-5 Miata — Sport
The 2007 Mazda MX-5 Miata Sport came from the factory equipped with 205/50R16 tires. If your vehicle has since been fitted with aftermarket or upsized wheels, your actual tire size may no longer match this factory spec — always confirm against your door placard before buying.
205/50R16
| Section width | 205 mm |
|---|---|
| Aspect ratio (sidewall height) | 50% (102.5 mm) |
| Rim diameter | 16" |
| Overall tire diameter | ~24.1" |
| Revolutions per mile | ~838 |
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What this size means for your Mazda MX-5 Miata
On the 2007 Mazda MX-5 Miata Sport, the factory 205/50R16 measures about 24.1″ in overall diameter with a 102.5 mm (4″) sidewall, and completes roughly 838 revolutions per mile. Its 50-series aspect ratio gives a balanced everyday-passenger profile — enough sidewall to soak up road shock while keeping steering response crisp. In tire terms it is a passenger (P-metric / Euro-metric) size.
On a vehicle of this age, the Mazda MX-5 Miata may have been refitted with a slightly different replacement size somewhere in its life, so check the current sidewall — not just the factory spec — before buying.
Other 2007 Mazda MX-5 Miata trims
- Grand Touring 205/45R17
- SCCA STR Class 245/40R17
- SV 205/50R16
- Touring 205/45R17
Mazda MX-5 Miata tire sizes by year
- 2026 Mazda MX-5 Miata 205/45R17
- 2025 Mazda MX-5 Miata 205/45R17
- 2024 Mazda MX-5 Miata 205/45R17
- 2023 Mazda MX-5 Miata 205/45R17
- 2022 Mazda MX-5 Miata 205/45R17
- 2021 Mazda MX-5 Miata 205/45R17
- 2020 Mazda MX-5 Miata 205/45R17
- 2019 Mazda MX-5 Miata 205/45R17
- 2018 Mazda MX-5 Miata 205/45R17
- 2017 Mazda MX-5 Miata 205/45R17
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.