2025 Honda Ridgeline tire size
Most common factory size
P245/60R18
- Factory sizes
- 1
- Across 4 trims
- Diameter
- 29.57 in
- Revs per mile
- 682
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P245/60R18 | All 4 trims | 245 | 60 | 18 | 29.57 | 5.79 | 682 |
What P245/60R18 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 245 mm | Tread width. 9.6 in. |
| Sidewall | 60 | Sidewall height is 60% of the width. |
| Construction | R | Radial tire. |
| Rim | 18 in | Fits 18 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 |
|---|---|---|---|---|
| 245/55R19 | 19 | 29.61 | +0.1% | 59.9 mph |
| 245/65R17 | 17 | 29.54 | -0.1% | 60.1 mph |
| 225/60R19 | 19 | 29.63 | +0.2% | 59.9 mph |
| 225/65R18 | 18 | 29.52 | -0.2% | 60.1 mph |
| 265/50R19 | 19 | 29.43 | -0.5% | 60.3 mph |
| 275/50R19 | 19 | 29.83 | +0.9% | 59.5 mph |
| 275/55R18 | 18 | 29.91 | +1.1% | 59.3 mph |
| 235/70R17 | 17 | 29.95 | +1.3% | 59.2 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