Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/70-16 | 255/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.4 (721.4) | 33.07 (839.9) | 4.67 (118.5) 16.4% |
| Width inches (mm) | 8.86 (225) | 10.04 (255) | 1.18 (30) 13.3% |
| Circum. inches (mm) | 89.23 (2266.34) | 103.88 (2638.62) | 14.66 (372.28) 16.4% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 8.53 (216.75) | 2.33 (59.25) 37.6% |
| Revolutions per mile (km) | 710.11 (441.24) | 609.92 (378.98) | -100.19 (-62.25) -14.1% |
255/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.29 mph (37.47 km/h) |
| 25 mph (40.23 km/h) | 29.11 mph (46.84 km/h) |
| 30 mph (48.28 km/h) | 34.93 mph (56.21 km/h) |
| 35 mph (56.33 km/h) | 40.75 mph (65.58 km/h) |
| 40 mph (64.37 km/h) | 46.57 mph (74.95 km/h) |
| 45 mph (72.42 km/h) | 52.39 mph (84.32 km/h) |
| 50 mph (80.47 km/h) | 58.21 mph (93.69 km/h) |
| 55 mph (88.51 km/h) | 64.03 mph (103.05 km/h) |
| 60 mph (96.56 km/h) | 69.86 mph (112.42 km/h) |
| 65 mph (104.61 km/h) | 75.68 mph (121.79 km/h) |
| 70 mph (112.65 km/h) | 81.5 mph (131.16 km/h) |
| 75 mph (120.7 km/h) | 87.32 mph (140.53 km/h) |
| 80 mph (128.75 km/h) | 93.14 mph (149.9 km/h) |
| 85 mph (136.79 km/h) | 98.96 mph (159.26 km/h) |
| 90 mph (144.84 km/h) | 104.78 mph (168.63 km/h) |
| 95 mph (152.89 km/h) | 110.61 mph (178 km/h) |
| 100 mph (160.93 km/h) | 116.43 mph (187.37 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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