Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/70-17 | 120/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.61 (599.8) | 23.14 (587.8) | -0.47 (-12) -2% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 74.19 (1884.33) | 72.7 (1846.63) | -1.48 (-37.7) -2% |
| Sidewall Height inches (mm) | 3.31 (84) | 3.07 (78) | -0.24 (-6) -7.1% |
| Revolutions per mile (km) | 854.07 (530.69) | 871.5 (541.53) | 17.44 (10.83) 2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.6 mph (31.54 km/h) |
| 25 mph (40.23 km/h) | 24.5 mph (39.43 km/h) |
| 30 mph (48.28 km/h) | 29.4 mph (47.31 km/h) |
| 35 mph (56.33 km/h) | 34.3 mph (55.2 km/h) |
| 40 mph (64.37 km/h) | 39.2 mph (63.09 km/h) |
| 45 mph (72.42 km/h) | 44.1 mph (70.97 km/h) |
| 50 mph (80.47 km/h) | 49 mph (78.86 km/h) |
| 55 mph (88.51 km/h) | 53.9 mph (86.74 km/h) |
| 60 mph (96.56 km/h) | 58.8 mph (94.63 km/h) |
| 65 mph (104.61 km/h) | 63.7 mph (102.51 km/h) |
| 70 mph (112.65 km/h) | 68.6 mph (110.4 km/h) |
| 75 mph (120.7 km/h) | 73.5 mph (118.29 km/h) |
| 80 mph (128.75 km/h) | 78.4 mph (126.17 km/h) |
| 85 mph (136.79 km/h) | 83.3 mph (134.06 km/h) |
| 90 mph (144.84 km/h) | 88.2 mph (141.94 km/h) |
| 95 mph (152.89 km/h) | 93.1 mph (149.83 km/h) |
| 100 mph (160.93 km/h) | 98 mph (157.71 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2218 | 2576 | 2775 | 2897 | 3029 | 3124 | 3228 | 3350 | 3520 | 3690 | 3879 | 4030 | 4303 | 4605 | 4841 | 4992 | 5077 | 5389 | 5823 | 6767 |
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