2026 Porsche Macan tire size
Most common factory size
P235/55R20
- Factory sizes
- 5
- Across 14 trims
- Trims with it
- 8 of 14
- Diameter
- 30.18 in
- Revs per mile
- 668
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P235/55R20 | Electric RWD, EV Base Style RWD, Electric 4 AWD, EV 4 AWD, Electric 4S AWD, EV 4S AWD +2 more | 235 | 55 | 20 | 30.18 | 5.09 | 668 |
| P265/45R20 | T AWD, S AWD | 265 | 45 | 20 | 29.39 | 4.69 | 686 |
| P295/40R21 | Electric GTS AWD, EV GTS AWD | 295 | 40 | 21 | 30.29 | 4.65 | 666 |
| P235/55R19 | AWD | 235 | 55 | 19 | 29.18 | 5.09 | 691 |
| P265/40R21 | GTS AWD | 265 | 40 | 21 | 29.35 | 4.17 | 687 |
What P235/55R20 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 235 mm | Tread width. 9.3 in. |
| Sidewall | 55 | Sidewall height is 55% of the width. |
| Construction | R | Radial tire. |
| Rim | 20 in | Fits 20 in wheels. |
Other sizes that fit
Within 3% of the stock diameter. A common shop guideline, not a maker spec.
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 235/50R21 | 21 | 30.25 | +0.2% | 59.9 mph |
| 235/60R19 | 19 | 30.10 | -0.2% | 60.1 mph |
| 285/45R20 | 20 | 30.10 | -0.3% | 60.2 mph |
| 295/40R21 | 21 | 30.29 | +0.4% | 59.8 mph |
| 255/55R19 | 19 | 30.04 | -0.4% | 60.3 mph |
| 255/50R20 | 20 | 30.04 | -0.5% | 60.3 mph |
| 255/45R21 | 21 | 30.04 | -0.5% | 60.3 mph |
| 285/40R21 | 21 | 29.98 | -0.7% | 60.4 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 265/40R21 | 21 | 29.35 | -0.1% | 60.1 mph |
| 265/50R19 | 19 | 29.43 | +0.1% | 59.9 mph |
| 235/45R21 | 21 | 29.33 | -0.2% | 60.1 mph |
| 295/40R20 | 20 | 29.29 | -0.3% | 60.2 mph |
| 235/50R20 | 20 | 29.25 | -0.5% | 60.3 mph |
| 235/55R19 | 19 | 29.18 | -0.7% | 60.4 mph |
| 245/55R19 | 19 | 29.61 | +0.8% | 59.6 mph |
| 225/60R19 | 19 | 29.63 | +0.8% | 59.5 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 235/50R21 | 21 | 30.25 | -0.1% | 60.1 mph |
| 265/40R22 | 22 | 30.35 | +0.2% | 59.9 mph |
| 265/45R21 | 21 | 30.39 | +0.3% | 59.8 mph |
| 235/55R20 | 20 | 30.18 | -0.4% | 60.2 mph |
| 265/50R20 | 20 | 30.43 | +0.5% | 59.7 mph |
| 295/45R20 | 20 | 30.45 | +0.5% | 59.7 mph |
| 285/45R20 | 20 | 30.10 | -0.6% | 60.4 mph |
| 255/50R20 | 20 | 30.04 | -0.8% | 60.5 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 235/50R20 | 20 | 29.25 | +0.3% | 59.8 mph |
| 235/60R18 | 18 | 29.10 | -0.3% | 60.2 mph |
| 295/40R20 | 20 | 29.29 | +0.4% | 59.8 mph |
| 255/55R18 | 18 | 29.04 | -0.5% | 60.3 mph |
| 255/50R19 | 19 | 29.04 | -0.5% | 60.3 mph |
| 255/45R20 | 20 | 29.04 | -0.5% | 60.3 mph |
| 285/40R20 | 20 | 28.98 | -0.7% | 60.4 mph |
| 265/45R20 | 20 | 29.39 | +0.7% | 59.6 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 235/45R21 | 21 | 29.33 | -0.1% | 60.0 mph |
| 265/35R22 | 22 | 29.30 | -0.1% | 60.1 mph |
| 265/45R20 | 20 | 29.39 | +0.1% | 59.9 mph |
| 295/40R20 | 20 | 29.29 | -0.2% | 60.1 mph |
| 235/50R20 | 20 | 29.25 | -0.3% | 60.2 mph |
| 295/35R21 | 21 | 29.13 | -0.7% | 60.4 mph |
| 275/35R22 | 22 | 29.58 | +0.8% | 59.5 mph |
| 245/50R20 | 20 | 29.65 | +1.0% | 59.4 mph |
Checked against 292 factory sizes listed for 2009-2027 US models.
What this cannot tell you
Tire pressure is on the driver door sticker. Not in this data.
Optional wheel packages may differ.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ