Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-15 | 175/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.85 (555) | 23.27 (591) | 1.42 (36) 6.5% |
| Width inches (mm) | 5.71 (145) | 6.89 (175) | 1.18 (30) 20.7% |
| Circum. inches (mm) | 68.65 (1743.58) | 73.1 (1856.68) | 4.45 (113.1) 6.5% |
| Sidewall Height inches (mm) | 3.43 (87) | 4.13 (105) | 0.71 (18) 20.7% |
| Revolutions per mile (km) | 923.01 (573.53) | 866.79 (538.59) | -56.22 (-34.94) -6.1% |
175/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.3 mph (34.27 km/h) |
| 25 mph (40.23 km/h) | 26.62 mph (42.84 km/h) |
| 30 mph (48.28 km/h) | 31.95 mph (51.41 km/h) |
| 35 mph (56.33 km/h) | 37.27 mph (59.98 km/h) |
| 40 mph (64.37 km/h) | 42.59 mph (68.55 km/h) |
| 45 mph (72.42 km/h) | 47.92 mph (77.12 km/h) |
| 50 mph (80.47 km/h) | 53.24 mph (85.69 km/h) |
| 55 mph (88.51 km/h) | 58.57 mph (94.26 km/h) |
| 60 mph (96.56 km/h) | 63.89 mph (102.82 km/h) |
| 65 mph (104.61 km/h) | 69.22 mph (111.39 km/h) |
| 70 mph (112.65 km/h) | 74.54 mph (119.96 km/h) |
| 75 mph (120.7 km/h) | 79.86 mph (128.53 km/h) |
| 80 mph (128.75 km/h) | 85.19 mph (137.1 km/h) |
| 85 mph (136.79 km/h) | 90.51 mph (145.67 km/h) |
| 90 mph (144.84 km/h) | 95.84 mph (154.24 km/h) |
| 95 mph (152.89 km/h) | 101.16 mph (162.81 km/h) |
| 100 mph (160.93 km/h) | 106.49 mph (171.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2206 | 2562 | 2760 | 2882 | 3013 | 3107 | 3210 | 3332 | 3501 | 3670 | 3858 | 4008 | 4280 | 4581 | 4815 | 4965 | 5050 | 5360 | 5791 | 6730 |
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