Porsche Boxster tire size
The most common factory tire size for the Porsche Boxster is 235/35R20 front, 265/35R20 rear, on 14 of the 25 year and trim fits listed. The table lists every year from 2010 to 2016 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Porsche Boxster tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2016 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | Base, Black Edition, GTS, S, Spyder |
| 235/40R19 front, 265/40R19 rearload index 92, speed rating Y | Base, Black Edition, S, Spyder | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base, Spyder | |
| 2015 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | Base, GTS, S |
| 235/40R19 front, 265/40R19 rear | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2014 | 235/35R20 front, 265/35R20 rearload index 88, speed rating Y | Base, GTS, S |
| 235/40R19 front, 265/40R19 rear | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2013 | 235/35R20 front, 265/35R20 rear | Base, GTS, S |
| 235/40R19 front, 265/40R19 rear | Base, S | |
| 235/45R18 front, 265/45R18 rearload index 94, speed rating Y | Base | |
| 2012 | 235/35R19 front, 265/35R19 rear | Base, S, S Black Edition, Spyder |
| 235/40R18 front, 265/40R18 rear | Base, S | |
| 205/55R17 front, 235/50R17 rearload index 91, speed rating Y | Base | |
| 2011 | 235/35R19 front, 265/35R19 rear | Base, S, S Black Ops Package, Spyder |
| 235/40R18 front, 265/40R18 rearload index 91, speed rating Y | Base, S | |
| 205/55R17 front, 235/50R17 rear | Base | |
| 2010 | 235/35R19 front, 265/35R19 rear | Base, S, Spyder |
| 235/40R18 front, 265/40R18 rear | Base, S | |
| 205/55R17 front, 235/50R17 rear | 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.