2019 RAM 1500 Tire Sizes
- 275/55R20 · 275/65R18 · 275/70R18 · 285/45R22
- OEM tire sizes
- Distinct OEM sizes275/55R20 · 275/65R18 · 275/70R18 · 285/45R22
- Calculated overall diameter31.9–33.2 in
Calculated from catalog valuesOverall diameter is calculated from the stored OEM size string.
| Configuration | Wheel | Tire | Overall diameter | Bolt |
|---|---|---|---|---|
| 3.6i | 8×18 | 275/65R18 | 32.1 in | 6x139.7 |
| 3.6i | 9×20 | 275/55R20 | 31.9 in | 6x139.7 |
| 3.6i | 9×22 | 285/45R22 | 32.1 in | 6x139.7 |
| 5.7i | 8×18 | 275/65R18 | 32.1 in | 6x139.7 |
| 5.7i | 9×20 | 275/55R20 | 31.9 in | 6x139.7 |
| 5.7i | 9×22 | 285/45R22 | 32.1 in | 6x139.7 |
Compare a size
This figure is calculated from stored catalog values, not a separate manufacturer field.