Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/65-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.93 (582.5) | 23.96 (608.5) | 1.02 (26) 4.5% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 72.05 (1829.98) | 75.26 (1911.66) | 3.22 (81.68) 4.5% |
| Sidewall Height inches (mm) | 3.97 (100.75) | 4.48 (113.75) | 0.51 (13) 12.9% |
| Revolutions per mile (km) | 879.43 (546.45) | 841.86 (523.1) | -37.58 (-23.35) -4.3% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.89 mph (33.62 km/h) |
| 25 mph (40.23 km/h) | 26.12 mph (42.03 km/h) |
| 30 mph (48.28 km/h) | 31.34 mph (50.44 km/h) |
| 35 mph (56.33 km/h) | 36.56 mph (58.84 km/h) |
| 40 mph (64.37 km/h) | 41.79 mph (67.25 km/h) |
| 45 mph (72.42 km/h) | 47.01 mph (75.65 km/h) |
| 50 mph (80.47 km/h) | 52.23 mph (84.06 km/h) |
| 55 mph (88.51 km/h) | 57.45 mph (92.46 km/h) |
| 60 mph (96.56 km/h) | 62.68 mph (100.87 km/h) |
| 65 mph (104.61 km/h) | 67.9 mph (109.28 km/h) |
| 70 mph (112.65 km/h) | 73.12 mph (117.68 km/h) |
| 75 mph (120.7 km/h) | 78.35 mph (126.09 km/h) |
| 80 mph (128.75 km/h) | 83.57 mph (134.49 km/h) |
| 85 mph (136.79 km/h) | 88.79 mph (142.9 km/h) |
| 90 mph (144.84 km/h) | 94.02 mph (151.31 km/h) |
| 95 mph (152.89 km/h) | 99.24 mph (159.71 km/h) |
| 100 mph (160.93 km/h) | 104.46 mph (168.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2142 | 2489 | 2680 | 2799 | 2926 | 3018 | 3118 | 3236 | 3400 | 3565 | 3747 | 3893 | 4157 | 4449 | 4677 | 4823 | 4905 | 5205 | 5625 | 6536 |
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