Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 255/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 33.07 (839.9) | 6.67 (169.5) 25.3% |
| Width inches (mm) | 9.45 (240) | 10.04 (255) | 0.59 (15) 6.2% |
| Circum. inches (mm) | 82.92 (2106.12) | 103.88 (2638.62) | 20.96 (532.5) 25.3% |
| Sidewall Height inches (mm) | 5.2 (132) | 8.53 (216.75) | 3.34 (84.75) 64.2% |
| Revolutions per mile (km) | 764.13 (474.81) | 609.92 (378.98) | -154.21 (-95.82) -20.2% |
255/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.06 mph (40.32 km/h) |
| 25 mph (40.23 km/h) | 31.32 mph (50.41 km/h) |
| 30 mph (48.28 km/h) | 37.59 mph (60.49 km/h) |
| 35 mph (56.33 km/h) | 43.85 mph (70.57 km/h) |
| 40 mph (64.37 km/h) | 50.11 mph (80.65 km/h) |
| 45 mph (72.42 km/h) | 56.38 mph (90.73 km/h) |
| 50 mph (80.47 km/h) | 62.64 mph (100.81 km/h) |
| 55 mph (88.51 km/h) | 68.91 mph (110.89 km/h) |
| 60 mph (96.56 km/h) | 75.17 mph (120.97 km/h) |
| 65 mph (104.61 km/h) | 81.43 mph (131.06 km/h) |
| 70 mph (112.65 km/h) | 87.7 mph (141.14 km/h) |
| 75 mph (120.7 km/h) | 93.96 mph (151.22 km/h) |
| 80 mph (128.75 km/h) | 100.23 mph (161.3 km/h) |
| 85 mph (136.79 km/h) | 106.49 mph (171.38 km/h) |
| 90 mph (144.84 km/h) | 112.76 mph (181.46 km/h) |
| 95 mph (152.89 km/h) | 119.02 mph (191.54 km/h) |
| 100 mph (160.93 km/h) | 125.28 mph (201.62 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1552 | 1803 | 1942 | 2028 | 2120 | 2186 | 2259 | 2345 | 2464 | 2582 | 2715 | 2820 | 3012 | 3223 | 3388 | 3494 | 3553 | 3771 | 4075 | 4736 |
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