Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/55-20 | 285/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.78 (832.5) | 33.46 (850) | 0.69 (17.5) 2.1% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 102.97 (2615.38) | 105.13 (2670.35) | 2.16 (54.98) 2.1% |
| Sidewall Height inches (mm) | 6.39 (162.25) | 6.73 (171) | 0.34 (8.75) 5.4% |
| Revolutions per mile (km) | 615.34 (382.35) | 602.67 (374.48) | -12.67 (-7.87) -2.1% |
285/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.42 mph (32.86 km/h) |
| 25 mph (40.23 km/h) | 25.53 mph (41.08 km/h) |
| 30 mph (48.28 km/h) | 30.63 mph (49.3 km/h) |
| 35 mph (56.33 km/h) | 35.74 mph (57.51 km/h) |
| 40 mph (64.37 km/h) | 40.84 mph (65.73 km/h) |
| 45 mph (72.42 km/h) | 45.95 mph (73.94 km/h) |
| 50 mph (80.47 km/h) | 51.05 mph (82.16 km/h) |
| 55 mph (88.51 km/h) | 56.16 mph (90.37 km/h) |
| 60 mph (96.56 km/h) | 61.26 mph (98.59 km/h) |
| 65 mph (104.61 km/h) | 66.37 mph (106.81 km/h) |
| 70 mph (112.65 km/h) | 71.47 mph (115.02 km/h) |
| 75 mph (120.7 km/h) | 76.58 mph (123.24 km/h) |
| 80 mph (128.75 km/h) | 81.68 mph (131.45 km/h) |
| 85 mph (136.79 km/h) | 86.79 mph (139.67 km/h) |
| 90 mph (144.84 km/h) | 91.89 mph (147.89 km/h) |
| 95 mph (152.89 km/h) | 97 mph (156.1 km/h) |
| 100 mph (160.93 km/h) | 102.1 mph (164.32 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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