Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 23.96 (608.5) | -0.79 (-20) -3.2% |
| Width inches (mm) | 6.5 (165) | 6.89 (175) | 0.39 (10) 6.1% |
| Circum. inches (mm) | 77.74 (1974.49) | 75.26 (1911.66) | -2.47 (-62.83) -3.2% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.48 (113.75) | -0.39 (-10) -8.1% |
| Revolutions per mile (km) | 815.07 (506.46) | 841.86 (523.1) | 26.79 (16.65) 3.3% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.36 mph (31.16 km/h) |
| 25 mph (40.23 km/h) | 24.2 mph (38.95 km/h) |
| 30 mph (48.28 km/h) | 29.05 mph (46.74 km/h) |
| 35 mph (56.33 km/h) | 33.89 mph (54.53 km/h) |
| 40 mph (64.37 km/h) | 38.73 mph (62.33 km/h) |
| 45 mph (72.42 km/h) | 43.57 mph (70.12 km/h) |
| 50 mph (80.47 km/h) | 48.41 mph (77.91 km/h) |
| 55 mph (88.51 km/h) | 53.25 mph (85.7 km/h) |
| 60 mph (96.56 km/h) | 58.09 mph (93.49 km/h) |
| 65 mph (104.61 km/h) | 62.93 mph (101.28 km/h) |
| 70 mph (112.65 km/h) | 67.77 mph (109.07 km/h) |
| 75 mph (120.7 km/h) | 72.61 mph (116.86 km/h) |
| 80 mph (128.75 km/h) | 77.45 mph (124.65 km/h) |
| 85 mph (136.79 km/h) | 82.3 mph (132.44 km/h) |
| 90 mph (144.84 km/h) | 87.14 mph (140.23 km/h) |
| 95 mph (152.89 km/h) | 91.98 mph (148.02 km/h) |
| 100 mph (160.93 km/h) | 96.82 mph (155.81 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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