Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/55-16 | 255/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.04 (686.9) | 33.07 (839.9) | 6.02 (153) 22.3% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 84.96 (2157.96) | 103.88 (2638.62) | 18.92 (480.66) 22.3% |
| Sidewall Height inches (mm) | 5.52 (140.25) | 8.53 (216.75) | 3.01 (76.5) 54.5% |
| Revolutions per mile (km) | 745.77 (463.4) | 609.92 (378.98) | -135.85 (-84.42) -18.2% |
255/85-16 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.45 mph (39.36 km/h) |
| 25 mph (40.23 km/h) | 30.57 mph (49.2 km/h) |
| 30 mph (48.28 km/h) | 36.68 mph (59.03 km/h) |
| 35 mph (56.33 km/h) | 42.8 mph (68.87 km/h) |
| 40 mph (64.37 km/h) | 48.91 mph (78.71 km/h) |
| 45 mph (72.42 km/h) | 55.02 mph (88.55 km/h) |
| 50 mph (80.47 km/h) | 61.14 mph (98.39 km/h) |
| 55 mph (88.51 km/h) | 67.25 mph (108.23 km/h) |
| 60 mph (96.56 km/h) | 73.36 mph (118.07 km/h) |
| 65 mph (104.61 km/h) | 79.48 mph (127.91 km/h) |
| 70 mph (112.65 km/h) | 85.59 mph (137.75 km/h) |
| 75 mph (120.7 km/h) | 91.71 mph (147.59 km/h) |
| 80 mph (128.75 km/h) | 97.82 mph (157.43 km/h) |
| 85 mph (136.79 km/h) | 103.93 mph (167.26 km/h) |
| 90 mph (144.84 km/h) | 110.05 mph (177.1 km/h) |
| 95 mph (152.89 km/h) | 116.16 mph (186.94 km/h) |
| 100 mph (160.93 km/h) | 122.27 mph (196.78 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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