2026 GMC Yukon tire size
Most common factory size
P275/60R20
- Factory sizes
- 2
- Across 7 trims
- Trims with it
- 6 of 7
- Diameter
- 32.99 in
- Revs per mile
- 611
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P275/60R20 | Elevation RWD, Elevation 4WD, AT4 4WD, Denali RWD, Denali 4WD, AT4 Ultimate 4WD | 275 | 60 | 20 | 32.99 | 6.50 | 611 |
| P285/40R24 | Denali Ultimate 4WD | 285 | 40 | 24 | 32.98 | 4.49 | 612 |
What P275/60R20 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 275 mm | Tread width. 10.8 in. |
| Sidewall | 60 | Sidewall height is 60% 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 |
|---|---|---|---|---|
| 255/65R20 | 20 | 33.05 | +0.2% | 59.9 mph |
| 275/55R21 | 21 | 32.91 | -0.3% | 60.2 mph |
| 265/60R20 | 20 | 32.52 | -1.4% | 60.9 mph |
| 255/65R19 | 19 | 32.05 | -2.9% | 61.8 mph |
| 255/60R20 | 20 | 32.05 | -2.9% | 61.8 mph |
No other factory size within 3% of P285/40R24.
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