PORSCHE 718 Cayman Tire Sizes and Rim Dimensions by Year & Trim
The PORSCHE 718 Cayman features a variety of tire sizes and rim dimensions across its model years and trims. Earlier models typically use 18-inch rims, while newer trims often mount 19- or 20-inch rims, with widths varying from 8 to 11 inches depending on front or rear axle and performance variant.\n\nTire size markings reflect the combination of width, aspect ratio, and diameter (e.g., 235/40ZR18). These markings vary slightly by year and trim, aligning with the vehicle's handling and performance specifications. Comparing trims like the base 718 Cayman and the more aggressive Cayman S reveals differences in rim width and tire profile that affect grip and ride comfort.\n\nFor practical selection, it is essential to match the exact tire size recommended for the specific model year and trim. This ensures optimal driving dynamics, safety, and tire longevity. Consulting official PORSCHE specifications or verified catalogs is advised when replacing or upgrading tires.
| Make / model / trim | Year | Tire size | Wheel |
|---|---|---|---|
| PORSCHE 718 Cayman Base (refresh) | 2026 | 235/45R18 | 7.5" × 18" |
| PORSCHE 718 Cayman GTS | 2025 | 245/35R20 | 8.5" × 20" |
| PORSCHE 718 Cayman S | 2024 | 235/40R19 | 8" × 19" |
| PORSCHE 718 Cayman Base | 2023 | 235/45R18 | 7.5" × 18" |
| PORSCHE 718 Cayman GT4 RS (US-spec) | 2022 | 245/35R20 | 9" × 20" |
| PORSCHE 718 Cayman GTS | 2021 | 245/35R20 | 8.5" × 20" |
| PORSCHE 718 Cayman S | 2020 | 235/40R19 | 8" × 19" |
| PORSCHE 718 Cayman Base | 2019 | 235/45R18 | 7.5" × 18" |
For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Porsche 718 Cayman.
FAQ
- What are the common tire sizes for the PORSCHE 718 Cayman?
- Common tire sizes range from 235/40ZR18 on the front to 265/40ZR18 on the rear in early models, with later trims using wider and larger diameter tires like 235/35ZR19 and 265/35ZR19.
- How do rim widths differ between PORSCHE 718 Cayman trims?
- Base trims usually have front rims around 8 inches wide and rear rims around 9 inches, while performance trims like the Cayman S and GTS feature wider rims up to 11 inches on the rear for enhanced traction.
- Can I interchange tires between different 718 Cayman model years?
- Interchanging tires is possible only if the rim diameter and width match manufacturer specifications for that year and trim to maintain safety and performance.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.