Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/70-20 | 285/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.26 (921) | 33.46 (850) | -2.8 (-71) -7.7% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 113.91 (2893.41) | 105.13 (2670.35) | -8.78 (-223.05) -7.7% |
| Sidewall Height inches (mm) | 8.13 (206.5) | 6.73 (171) | -1.4 (-35.5) -17.2% |
| Revolutions per mile (km) | 556.21 (345.61) | 602.67 (374.48) | 46.46 (28.87) 8.4% |
285/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.46 mph (29.71 km/h) |
| 25 mph (40.23 km/h) | 23.07 mph (37.13 km/h) |
| 30 mph (48.28 km/h) | 27.69 mph (44.56 km/h) |
| 35 mph (56.33 km/h) | 32.3 mph (51.98 km/h) |
| 40 mph (64.37 km/h) | 36.92 mph (59.41 km/h) |
| 45 mph (72.42 km/h) | 41.53 mph (66.84 km/h) |
| 50 mph (80.47 km/h) | 46.15 mph (74.26 km/h) |
| 55 mph (88.51 km/h) | 50.76 mph (81.69 km/h) |
| 60 mph (96.56 km/h) | 55.37 mph (89.12 km/h) |
| 65 mph (104.61 km/h) | 59.99 mph (96.54 km/h) |
| 70 mph (112.65 km/h) | 64.6 mph (103.97 km/h) |
| 75 mph (120.7 km/h) | 69.22 mph (111.4 km/h) |
| 80 mph (128.75 km/h) | 73.83 mph (118.82 km/h) |
| 85 mph (136.79 km/h) | 78.45 mph (126.25 km/h) |
| 90 mph (144.84 km/h) | 83.06 mph (133.68 km/h) |
| 95 mph (152.89 km/h) | 87.68 mph (141.1 km/h) |
| 100 mph (160.93 km/h) | 92.29 mph (148.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1534 | 1782 | 1919 | 2004 | 2095 | 2160 | 2232 | 2317 | 2434 | 2552 | 2682 | 2787 | 2976 | 3185 | 3348 | 3452 | 3511 | 3727 | 4027 | 4679 |
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