Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/60-17 | 255/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.1 (713.8) | 31.06 (788.8) | 2.95 (75) 10.5% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 88.29 (2242.47) | 97.56 (2478.09) | 9.28 (235.62) 10.5% |
| Sidewall Height inches (mm) | 5.55 (141) | 7.03 (178.5) | 1.48 (37.5) 26.6% |
| Revolutions per mile (km) | 717.67 (445.94) | 649.43 (403.54) | -68.24 (-42.4) -9.5% |
255/70-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.1 mph (35.57 km/h) |
| 25 mph (40.23 km/h) | 27.63 mph (44.46 km/h) |
| 30 mph (48.28 km/h) | 33.15 mph (53.35 km/h) |
| 35 mph (56.33 km/h) | 38.68 mph (62.25 km/h) |
| 40 mph (64.37 km/h) | 44.2 mph (71.14 km/h) |
| 45 mph (72.42 km/h) | 49.73 mph (80.03 km/h) |
| 50 mph (80.47 km/h) | 55.25 mph (88.92 km/h) |
| 55 mph (88.51 km/h) | 60.78 mph (97.81 km/h) |
| 60 mph (96.56 km/h) | 66.3 mph (106.71 km/h) |
| 65 mph (104.61 km/h) | 71.83 mph (115.6 km/h) |
| 70 mph (112.65 km/h) | 77.36 mph (124.49 km/h) |
| 75 mph (120.7 km/h) | 82.88 mph (133.38 km/h) |
| 80 mph (128.75 km/h) | 88.41 mph (142.28 km/h) |
| 85 mph (136.79 km/h) | 93.93 mph (151.17 km/h) |
| 90 mph (144.84 km/h) | 99.46 mph (160.06 km/h) |
| 95 mph (152.89 km/h) | 104.98 mph (168.95 km/h) |
| 100 mph (160.93 km/h) | 110.51 mph (177.84 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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