Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/70-16 | 255/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.06 (763.4) | 31.06 (788.8) | 1 (25.4) 3.3% |
| Width inches (mm) | 10.04 (255) | 10.04 (255) | 0 (0) 0% |
| Circum. inches (mm) | 94.42 (2398.29) | 97.56 (2478.09) | 3.14 (79.8) 3.3% |
| Sidewall Height inches (mm) | 7.03 (178.5) | 7.03 (178.5) | 0 (0) 0% |
| Revolutions per mile (km) | 671.04 (416.96) | 649.43 (403.54) | -21.61 (-13.43) -3.2% |
255/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.67 mph (33.26 km/h) |
| 25 mph (40.23 km/h) | 25.83 mph (41.57 km/h) |
| 30 mph (48.28 km/h) | 31 mph (49.89 km/h) |
| 35 mph (56.33 km/h) | 36.16 mph (58.2 km/h) |
| 40 mph (64.37 km/h) | 41.33 mph (66.52 km/h) |
| 45 mph (72.42 km/h) | 46.5 mph (74.83 km/h) |
| 50 mph (80.47 km/h) | 51.66 mph (83.14 km/h) |
| 55 mph (88.51 km/h) | 56.83 mph (91.46 km/h) |
| 60 mph (96.56 km/h) | 62 mph (99.77 km/h) |
| 65 mph (104.61 km/h) | 67.16 mph (108.09 km/h) |
| 70 mph (112.65 km/h) | 72.33 mph (116.4 km/h) |
| 75 mph (120.7 km/h) | 77.5 mph (124.72 km/h) |
| 80 mph (128.75 km/h) | 82.66 mph (133.03 km/h) |
| 85 mph (136.79 km/h) | 87.83 mph (141.35 km/h) |
| 90 mph (144.84 km/h) | 92.99 mph (149.66 km/h) |
| 95 mph (152.89 km/h) | 98.16 mph (157.97 km/h) |
| 100 mph (160.93 km/h) | 103.33 mph (166.29 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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