2020 Dodge Challenger tire size
Most common factory size
P275/40R20
- Factory sizes
- 5
- Across 16 trims
- Trims with it
- 6 of 16
- Trims with no size
- 5
- Diameter
- 28.66 in
- Revs per mile
- 704
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P275/40R20 | R/T RWD, R/T Scat Pack RWD, R/T 50th Anniversary RWD, R/T Scat Pack 50th Anniversary RWD, SRT Hellcat RWD, SRT Hellcat Redeye RWD | 275 | 40 | 20 | 28.66 | 4.33 | 704 |
| P305/35R20 | R/T Scat Pack Widebody RWD, R/T Scat Pack 50th Anniversary Widebody RWD, SRT Hellcat Redeye Widebody RWD, SRT Hellcat Widebody RWD | 305 | 35 | 20 | 28.41 | 4.20 | 710 |
| P245/45R20 | SXT RWD, SXT AWD, GT 50th Anniversary RWD | 245 | 45 | 20 | 28.68 | 4.34 | 703 |
| P235/55R19 | GT RWD, GT AWD | 235 | 55 | 19 | 29.18 | 5.09 | 691 |
| P315/40R18 | SRT Super Sport RWD | 315 | 40 | 18 | 27.92 | 4.96 | 722 |
What P275/40R20 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 275 mm | Tread width. 10.8 in. |
| Sidewall | 40 | Sidewall height is 40% 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 |
|---|---|---|---|---|
| 245/50R19 | 19 | 28.65 | -0.1% | 60.0 mph |
| 245/45R20 | 20 | 28.68 | +0.1% | 60.0 mph |
| 245/40R21 | 21 | 28.72 | +0.2% | 59.9 mph |
| 275/35R21 | 21 | 28.58 | -0.3% | 60.2 mph |
| 225/55R19 | 19 | 28.74 | +0.3% | 59.8 mph |
| 275/45R19 | 19 | 28.74 | +0.3% | 59.8 mph |
| 285/35R21 | 21 | 28.85 | +0.7% | 59.6 mph |
| 305/35R20 | 20 | 28.41 | -0.9% | 60.5 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 265/45R19 | 19 | 28.39 | -0.1% | 60.0 mph |
| 265/40R20 | 20 | 28.35 | -0.2% | 60.1 mph |
| 235/45R20 | 20 | 28.33 | -0.3% | 60.2 mph |
| 265/35R21 | 21 | 28.30 | -0.4% | 60.2 mph |
| 235/50R19 | 19 | 28.25 | -0.5% | 60.3 mph |
| 275/35R21 | 21 | 28.58 | +0.6% | 59.6 mph |
| 245/50R19 | 19 | 28.65 | +0.8% | 59.5 mph |
| 275/40R20 | 20 | 28.66 | +0.9% | 59.5 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 275/40R20 | 20 | 28.66 | -0.1% | 60.0 mph |
| 245/40R21 | 21 | 28.72 | +0.1% | 59.9 mph |
| 245/50R19 | 19 | 28.65 | -0.1% | 60.1 mph |
| 225/55R19 | 19 | 28.74 | +0.2% | 59.9 mph |
| 275/45R19 | 19 | 28.74 | +0.2% | 59.9 mph |
| 275/35R21 | 21 | 28.58 | -0.4% | 60.2 mph |
| 285/35R21 | 21 | 28.85 | +0.6% | 59.6 mph |
| 305/35R20 | 20 | 28.41 | -1.0% | 60.6 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 235/50R20 | 20 | 29.25 | +0.3% | 59.8 mph |
| 235/60R18 | 18 | 29.10 | -0.3% | 60.2 mph |
| 295/40R20 | 20 | 29.29 | +0.4% | 59.8 mph |
| 255/55R18 | 18 | 29.04 | -0.5% | 60.3 mph |
| 255/50R19 | 19 | 29.04 | -0.5% | 60.3 mph |
| 255/45R20 | 20 | 29.04 | -0.5% | 60.3 mph |
| 285/40R20 | 20 | 28.98 | -0.7% | 60.4 mph |
| 265/45R20 | 20 | 29.39 | +0.7% | 59.6 mph |
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 215/65R17 | 17 | 28.00 | +0.3% | 59.8 mph |
| 255/45R19 | 19 | 28.04 | +0.4% | 59.8 mph |
| 255/50R18 | 18 | 28.04 | +0.4% | 59.7 mph |
| 225/55R18 | 18 | 27.74 | -0.6% | 60.4 mph |
| 235/60R17 | 17 | 28.10 | +0.6% | 59.6 mph |
| 245/45R19 | 19 | 27.68 | -0.9% | 60.5 mph |
| 235/55R18 | 18 | 28.18 | +0.9% | 59.5 mph |
| 275/40R19 | 19 | 27.66 | -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