Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/45-20 | 245/55-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.74 (755.5) | 29.61 (752.1) | -0.13 (-3.4) -0.5% |
| Width inches (mm) | 10.83 (275) | 9.65 (245) | -1.18 (-30) -10.9% |
| Circum. inches (mm) | 93.44 (2373.47) | 93.02 (2362.79) | -0.42 (-10.68) -0.5% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 5.31 (134.75) | 0.43 (11) 8.9% |
| Revolutions per mile (km) | 678.05 (421.32) | 681.12 (423.23) | 3.07 (1.9) 0.5% |
245/55-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.91 mph (32.04 km/h) |
| 25 mph (40.23 km/h) | 24.89 mph (40.05 km/h) |
| 30 mph (48.28 km/h) | 29.86 mph (48.06 km/h) |
| 35 mph (56.33 km/h) | 34.84 mph (56.07 km/h) |
| 40 mph (64.37 km/h) | 39.82 mph (64.08 km/h) |
| 45 mph (72.42 km/h) | 44.8 mph (72.09 km/h) |
| 50 mph (80.47 km/h) | 49.77 mph (80.11 km/h) |
| 55 mph (88.51 km/h) | 54.75 mph (88.12 km/h) |
| 60 mph (96.56 km/h) | 59.73 mph (96.13 km/h) |
| 65 mph (104.61 km/h) | 64.71 mph (104.14 km/h) |
| 70 mph (112.65 km/h) | 69.68 mph (112.15 km/h) |
| 75 mph (120.7 km/h) | 74.66 mph (120.16 km/h) |
| 80 mph (128.75 km/h) | 79.64 mph (128.17 km/h) |
| 85 mph (136.79 km/h) | 84.62 mph (136.18 km/h) |
| 90 mph (144.84 km/h) | 89.59 mph (144.19 km/h) |
| 95 mph (152.89 km/h) | 94.57 mph (152.2 km/h) |
| 100 mph (160.93 km/h) | 99.55 mph (160.21 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1733 | 2014 | 2168 | 2264 | 2368 | 2441 | 2523 | 2618 | 2751 | 2884 | 3031 | 3149 | 3363 | 3599 | 3784 | 3902 | 3968 | 4212 | 4551 | 5288 |
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