2026 GMC Sierra 1500 tire size
Most common factory size
P255/70R17
- Factory sizes
- 5
- Across 21 trims
- Trims with it
- 10 of 21
- Trims with no size
- 15
- Diameter
- 31.06 in
- Revs per mile
- 649
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P255/70R17 | Pro Regular Cab RWD, Pro Double Cab RWD, Regular Cab Pro 4WD, Pro Crew Cab RWD, Double Cab Pro 4WD, Crew Cab Pro 4WD +4 more | 255 | 70 | 17 | 31.06 | 7.03 | 649 |
| P275/60R20 | Elevation Double Cab RWD, Elevation Crew Cab RWD, Double Cab Elevation 4WD, Denali Crew Cab RWD, Crew Cab AT4 4WD, Crew Cab Denali 4WD +1 more | 275 | 60 | 20 | 32.99 | 6.50 | 611 |
| P265/65R18 | SLT Crew Cab RWD, Crew Cab SLT 4WD | 265 | 65 | 18 | 31.56 | 6.78 | 639 |
| LT275/70R18 | Crew Cab AT4X 4WD | 275 | 70 | 18 | 33.16 | 7.58 | 608 |
| P275/50R22 | Crew Cab Denali Ultimate 4WD | 275 | 50 | 22 | 32.83 | 5.41 | 614 |
What P255/70R17 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 255 mm | Tread width. 10.0 in. |
| Sidewall | 70 | Sidewall height is 70% 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 |
|---|---|---|---|---|
| 255/65R18 | 18 | 31.05 | -0.0% | 60.0 mph |
| 275/60R18 | 18 | 30.99 | -0.2% | 60.1 mph |
| 285/60R18 | 18 | 31.46 | +1.3% | 59.2 mph |
| 245/75R17 | 17 | 31.47 | +1.3% | 59.2 mph |
| 245/70R18 | 18 | 31.50 | +1.4% | 59.1 mph |
| 265/70R16 | 16 | 30.61 | -1.4% | 60.9 mph |
| 285/65R16 | 16 | 30.59 | -1.5% | 60.9 mph |
| 265/65R17 | 17 | 30.56 | -1.6% | 61.0 mph |
| 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 |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 265/70R17 | 17 | 31.61 | +0.1% | 59.9 mph |
| 245/70R18 | 18 | 31.50 | -0.2% | 60.1 mph |
| 245/75R17 | 17 | 31.47 | -0.3% | 60.2 mph |
| 285/60R18 | 18 | 31.46 | -0.3% | 60.2 mph |
| 235/80R17 | 17 | 31.80 | +0.8% | 59.5 mph |
| 255/65R19 | 19 | 32.05 | +1.5% | 59.1 mph |
| 255/70R18 | 18 | 32.06 | +1.6% | 59.1 mph |
| 255/75R17 | 17 | 32.06 | +1.6% | 59.1 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 285/70R17 | 17 | 32.71 | -1.4% | 60.8 mph |
| 265/70R18 | 18 | 32.61 | -1.7% | 61.0 mph |
| 285/65R18 | 18 | 32.59 | -1.7% | 61.1 mph |
| 285/75R17 | 17 | 33.83 | +2.0% | 58.8 mph |
| 245/75R18 | 18 | 32.47 | -2.1% | 61.3 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 275/55R21 | 21 | 32.91 | +0.3% | 59.8 mph |
| 265/50R22 | 22 | 32.43 | -1.2% | 60.7 mph |
| 265/55R22 | 22 | 33.48 | +2.0% | 58.8 mph |
| 285/45R22 | 22 | 32.10 | -2.2% | 61.4 mph |
| 285/40R23 | 23 | 31.98 | -2.6% | 61.6 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