Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/60-20 | 285/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.52 (826) | 33.46 (850) | 0.94 (24) 2.9% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 102.16 (2594.96) | 105.13 (2670.35) | 2.97 (75.4) 2.9% |
| Sidewall Height inches (mm) | 6.26 (159) | 6.73 (171) | 0.47 (12) 7.5% |
| Revolutions per mile (km) | 620.18 (385.36) | 602.67 (374.48) | -17.51 (-10.88) -2.8% |
285/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.58 mph (33.12 km/h) |
| 25 mph (40.23 km/h) | 25.73 mph (41.4 km/h) |
| 30 mph (48.28 km/h) | 30.87 mph (49.68 km/h) |
| 35 mph (56.33 km/h) | 36.02 mph (57.96 km/h) |
| 40 mph (64.37 km/h) | 41.16 mph (66.24 km/h) |
| 45 mph (72.42 km/h) | 46.31 mph (74.52 km/h) |
| 50 mph (80.47 km/h) | 51.45 mph (82.81 km/h) |
| 55 mph (88.51 km/h) | 56.6 mph (91.09 km/h) |
| 60 mph (96.56 km/h) | 61.74 mph (99.37 km/h) |
| 65 mph (104.61 km/h) | 66.89 mph (107.65 km/h) |
| 70 mph (112.65 km/h) | 72.03 mph (115.93 km/h) |
| 75 mph (120.7 km/h) | 77.18 mph (124.21 km/h) |
| 80 mph (128.75 km/h) | 82.32 mph (132.49 km/h) |
| 85 mph (136.79 km/h) | 87.47 mph (140.77 km/h) |
| 90 mph (144.84 km/h) | 92.62 mph (149.05 km/h) |
| 95 mph (152.89 km/h) | 97.76 mph (157.33 km/h) |
| 100 mph (160.93 km/h) | 102.91 mph (165.61 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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