2023 RAM 1500 tire size
Most common factory size
P275/65R18
- Factory sizes
- 4
- Across 25 trims
- Trims with it
- 12 of 25
- Trims with no size
- 43
- Diameter
- 32.07 in
- Revs per mile
- 629
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P275/65R18 | Tradesman Crew Cab RWD, Tradesman Crew Cab LB RWD, Tradesman Crew Cab 4WD, Big Horn Crew Cab RWD, Lone Star Crew Cab RWD, Tradesman Crew Cab LB 4WD +6 more | 275 | 65 | 18 | 32.07 | 7.04 | 629 |
| P285/45R22 | Laramie Crew Cab RWD, Laramie Crew Cab LB RWD, Laramie Crew Cab 4WD, Laramie Crew Cab LB 4WD, Limited Crew Cab RWD, Limited Crew Cab LB RWD +4 more | 285 | 45 | 22 | 32.10 | 5.05 | 628 |
| LT275/70R18 | Rebel Crew Cab RWD, Rebel Crew Cab 4WD | 275 | 70 | 18 | 33.16 | 7.58 | 608 |
| LT235/65R18 | TRX Crew Cab 4WD | 235 | 65 | 18 | 30.03 | 6.01 | 672 |
What P275/65R18 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 275 mm | Tread width. 10.8 in. |
| Sidewall | 65 | Sidewall height is 65% 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 |
|---|---|---|---|---|
| 255/75R17 | 17 | 32.06 | -0.0% | 60.0 mph |
| 255/70R18 | 18 | 32.06 | -0.1% | 60.0 mph |
| 255/65R19 | 19 | 32.05 | -0.1% | 60.0 mph |
| 235/80R17 | 17 | 31.80 | -0.8% | 60.5 mph |
| 245/75R18 | 18 | 32.47 | +1.2% | 59.3 mph |
| 265/70R17 | 17 | 31.61 | -1.5% | 60.9 mph |
| 265/65R18 | 18 | 31.56 | -1.6% | 61.0 mph |
| 285/65R18 | 18 | 32.59 | +1.6% | 59.1 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 285/40R23 | 23 | 31.98 | -0.4% | 60.2 mph |
| 275/50R21 | 21 | 31.83 | -0.8% | 60.5 mph |
| 265/50R22 | 22 | 32.43 | +1.0% | 59.4 mph |
| 275/45R22 | 22 | 31.74 | -1.1% | 60.7 mph |
| 275/50R22 | 22 | 32.83 | +2.3% | 58.7 mph |
| 295/40R22 | 22 | 31.29 | -2.5% | 61.5 mph |
| 275/55R21 | 21 | 32.91 | +2.5% | 58.5 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 |
|---|---|---|---|---|
| 255/55R19 | 19 | 30.04 | +0.1% | 60.0 mph |
| 255/60R18 | 18 | 30.05 | +0.1% | 60.0 mph |
| 255/65R17 | 17 | 30.05 | +0.1% | 60.0 mph |
| 235/60R19 | 19 | 30.10 | +0.2% | 59.9 mph |
| 235/70R17 | 17 | 29.95 | -0.2% | 60.1 mph |
| 275/55R18 | 18 | 29.91 | -0.4% | 60.2 mph |
| 275/50R19 | 19 | 29.83 | -0.7% | 60.4 mph |
| 225/60R19 | 19 | 29.63 | -1.3% | 60.8 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