Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.15 (562.5) | 23.96 (608.5) | 1.81 (46) 8.2% |
| Width inches (mm) | 6.5 (165) | 6.89 (175) | 0.39 (10) 6.1% |
| Circum. inches (mm) | 69.57 (1767.15) | 75.26 (1911.66) | 5.69 (144.51) 8.2% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 4.48 (113.75) | 0.91 (23) 25.3% |
| Revolutions per mile (km) | 910.7 (565.88) | 841.86 (523.1) | -68.85 (-42.78) -7.6% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.64 mph (34.82 km/h) |
| 25 mph (40.23 km/h) | 27.04 mph (43.52 km/h) |
| 30 mph (48.28 km/h) | 32.45 mph (52.23 km/h) |
| 35 mph (56.33 km/h) | 37.86 mph (60.93 km/h) |
| 40 mph (64.37 km/h) | 43.27 mph (69.64 km/h) |
| 45 mph (72.42 km/h) | 48.68 mph (78.34 km/h) |
| 50 mph (80.47 km/h) | 54.09 mph (87.05 km/h) |
| 55 mph (88.51 km/h) | 59.5 mph (95.75 km/h) |
| 60 mph (96.56 km/h) | 64.91 mph (104.46 km/h) |
| 65 mph (104.61 km/h) | 70.32 mph (113.16 km/h) |
| 70 mph (112.65 km/h) | 75.72 mph (121.87 km/h) |
| 75 mph (120.7 km/h) | 81.13 mph (130.57 km/h) |
| 80 mph (128.75 km/h) | 86.54 mph (139.28 km/h) |
| 85 mph (136.79 km/h) | 91.95 mph (147.98 km/h) |
| 90 mph (144.84 km/h) | 97.36 mph (156.69 km/h) |
| 95 mph (152.89 km/h) | 102.77 mph (165.39 km/h) |
| 100 mph (160.93 km/h) | 108.18 mph (174.1 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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