Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/70-17 | 255/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.5 (774.8) | 31.06 (788.8) | 0.55 (14) 1.8% |
| Width inches (mm) | 9.65 (245) | 10.04 (255) | 0.39 (10) 4.1% |
| Circum. inches (mm) | 95.83 (2434.11) | 97.56 (2478.09) | 1.73 (43.98) 1.8% |
| Sidewall Height inches (mm) | 6.75 (171.5) | 7.03 (178.5) | 0.28 (7) 4.1% |
| Revolutions per mile (km) | 661.16 (410.83) | 649.43 (403.54) | -11.73 (-7.29) -1.8% |
255/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.36 mph (32.77 km/h) |
| 25 mph (40.23 km/h) | 25.45 mph (40.96 km/h) |
| 30 mph (48.28 km/h) | 30.54 mph (49.15 km/h) |
| 35 mph (56.33 km/h) | 35.63 mph (57.34 km/h) |
| 40 mph (64.37 km/h) | 40.72 mph (65.54 km/h) |
| 45 mph (72.42 km/h) | 45.81 mph (73.73 km/h) |
| 50 mph (80.47 km/h) | 50.9 mph (81.92 km/h) |
| 55 mph (88.51 km/h) | 55.99 mph (90.11 km/h) |
| 60 mph (96.56 km/h) | 61.08 mph (98.31 km/h) |
| 65 mph (104.61 km/h) | 66.17 mph (106.5 km/h) |
| 70 mph (112.65 km/h) | 71.26 mph (114.69 km/h) |
| 75 mph (120.7 km/h) | 76.36 mph (122.88 km/h) |
| 80 mph (128.75 km/h) | 81.45 mph (131.07 km/h) |
| 85 mph (136.79 km/h) | 86.54 mph (139.27 km/h) |
| 90 mph (144.84 km/h) | 91.63 mph (147.46 km/h) |
| 95 mph (152.89 km/h) | 96.72 mph (155.65 km/h) |
| 100 mph (160.93 km/h) | 101.81 mph (163.84 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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