Porsche 718 Boxster tire size
The most common factory tire size for the Porsche 718 Boxster is 235/35R20 front, 265/35R20 rear, on 26 of the 31 year and trim fits listed. The table lists every year from 2017 to 2025 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Porsche 718 Boxster tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2025 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | GTS 4.0, S, Style Edition |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2024 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | GTS 4.0, S, Style Edition |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2023 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | GTS 4.0, S, T |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2022 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | GTS 4.0, S, T |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2021 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | GTS 4.0, S, T |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2020 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | Base, S, T |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2019 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | Base, GTS, S |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2018 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | Base, GTS, S |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2017 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | Base, S |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base |
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.