2025 Audi A3 tire size
Most common factory size
P225/45R17
- Factory sizes
- 1
- Across 2 trims
- Diameter
- 24.97 in
- Revs per mile
- 808
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P225/45R17 | All 2 trims | 225 | 45 | 17 | 24.97 | 3.99 | 808 |
What P225/45R17 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 225 mm | Tread width. 8.9 in. |
| Sidewall | 45 | Sidewall height is 45% of the width. |
| Construction | R | Radial tire. |
| Rim | 17 in | Fits 17 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 |
|---|---|---|---|---|
| 295/30R18 | 18 | 24.97 | -0.0% | 60.0 mph |
| 255/35R18 | 18 | 25.03 | +0.2% | 59.9 mph |
| 205/55R16 | 16 | 24.88 | -0.4% | 60.2 mph |
| 205/50R17 | 17 | 25.07 | +0.4% | 59.8 mph |
| 225/40R18 | 18 | 25.09 | +0.5% | 59.7 mph |
| 215/40R18 | 18 | 24.77 | -0.8% | 60.5 mph |
| 245/35R18 | 18 | 24.75 | -0.9% | 60.5 mph |
| 185/60R16 | 16 | 24.74 | -0.9% | 60.6 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