Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/80-17 | 255/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.69 (855.8) | 31.06 (788.8) | -2.64 (-67) -7.8% |
| Width inches (mm) | 10.43 (265) | 10.04 (255) | -0.39 (-10) -3.8% |
| Circum. inches (mm) | 105.85 (2688.57) | 97.56 (2478.09) | -8.29 (-210.49) -7.8% |
| Sidewall Height inches (mm) | 8.35 (212) | 7.03 (178.5) | -1.32 (-33.5) -15.8% |
| Revolutions per mile (km) | 598.59 (371.94) | 649.43 (403.54) | 50.84 (31.59) 8.5% |
255/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.43 mph (29.67 km/h) |
| 25 mph (40.23 km/h) | 23.04 mph (37.08 km/h) |
| 30 mph (48.28 km/h) | 27.65 mph (44.5 km/h) |
| 35 mph (56.33 km/h) | 32.26 mph (51.92 km/h) |
| 40 mph (64.37 km/h) | 36.87 mph (59.33 km/h) |
| 45 mph (72.42 km/h) | 41.48 mph (66.75 km/h) |
| 50 mph (80.47 km/h) | 46.09 mph (74.17 km/h) |
| 55 mph (88.51 km/h) | 50.69 mph (81.58 km/h) |
| 60 mph (96.56 km/h) | 55.3 mph (89 km/h) |
| 65 mph (104.61 km/h) | 59.91 mph (96.42 km/h) |
| 70 mph (112.65 km/h) | 64.52 mph (103.83 km/h) |
| 75 mph (120.7 km/h) | 69.13 mph (111.25 km/h) |
| 80 mph (128.75 km/h) | 73.74 mph (118.67 km/h) |
| 85 mph (136.79 km/h) | 78.35 mph (126.08 km/h) |
| 90 mph (144.84 km/h) | 82.95 mph (133.5 km/h) |
| 95 mph (152.89 km/h) | 87.56 mph (140.92 km/h) |
| 100 mph (160.93 km/h) | 92.17 mph (148.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1653 | 1920 | 2068 | 2159 | 2257 | 2328 | 2405 | 2497 | 2623 | 2750 | 2890 | 3003 | 3207 | 3432 | 3608 | 3720 | 3784 | 4016 | 4339 | 5042 |
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