Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/50-15 | 175/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.1 (536) | 23.27 (591) | 2.17 (55) 10.3% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 66.3 (1683.89) | 73.1 (1856.68) | 6.8 (172.79) 10.3% |
| Sidewall Height inches (mm) | 3.05 (77.5) | 4.13 (105) | 1.08 (27.5) 35.5% |
| Revolutions per mile (km) | 955.73 (593.86) | 866.79 (538.59) | -88.94 (-55.27) -9.3% |
175/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.05 mph (35.49 km/h) |
| 25 mph (40.23 km/h) | 27.57 mph (44.36 km/h) |
| 30 mph (48.28 km/h) | 33.08 mph (53.23 km/h) |
| 35 mph (56.33 km/h) | 38.59 mph (62.11 km/h) |
| 40 mph (64.37 km/h) | 44.1 mph (70.98 km/h) |
| 45 mph (72.42 km/h) | 49.62 mph (79.85 km/h) |
| 50 mph (80.47 km/h) | 55.13 mph (88.72 km/h) |
| 55 mph (88.51 km/h) | 60.64 mph (97.6 km/h) |
| 60 mph (96.56 km/h) | 66.16 mph (106.47 km/h) |
| 65 mph (104.61 km/h) | 71.67 mph (115.34 km/h) |
| 70 mph (112.65 km/h) | 77.18 mph (124.21 km/h) |
| 75 mph (120.7 km/h) | 82.7 mph (133.09 km/h) |
| 80 mph (128.75 km/h) | 88.21 mph (141.96 km/h) |
| 85 mph (136.79 km/h) | 93.72 mph (150.83 km/h) |
| 90 mph (144.84 km/h) | 99.24 mph (159.7 km/h) |
| 95 mph (152.89 km/h) | 104.75 mph (168.58 km/h) |
| 100 mph (160.93 km/h) | 110.26 mph (177.45 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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