Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-15 | 175/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.44 (570) | 23.96 (608.5) | 1.52 (38.5) 6.8% |
| Width inches (mm) | 5.31 (135) | 6.89 (175) | 1.57 (40) 29.6% |
| Circum. inches (mm) | 70.5 (1790.71) | 75.26 (1911.66) | 4.76 (120.95) 6.8% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 4.48 (113.75) | 0.76 (19.25) 20.4% |
| Revolutions per mile (km) | 898.72 (558.44) | 841.86 (523.1) | -56.86 (-35.33) -6.3% |
175/65-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.35 mph (34.36 km/h) |
| 25 mph (40.23 km/h) | 26.69 mph (42.95 km/h) |
| 30 mph (48.28 km/h) | 32.03 mph (51.54 km/h) |
| 35 mph (56.33 km/h) | 37.36 mph (60.13 km/h) |
| 40 mph (64.37 km/h) | 42.7 mph (68.72 km/h) |
| 45 mph (72.42 km/h) | 48.04 mph (77.31 km/h) |
| 50 mph (80.47 km/h) | 53.38 mph (85.9 km/h) |
| 55 mph (88.51 km/h) | 58.71 mph (94.49 km/h) |
| 60 mph (96.56 km/h) | 64.05 mph (103.08 km/h) |
| 65 mph (104.61 km/h) | 69.39 mph (111.67 km/h) |
| 70 mph (112.65 km/h) | 74.73 mph (120.26 km/h) |
| 75 mph (120.7 km/h) | 80.07 mph (128.85 km/h) |
| 80 mph (128.75 km/h) | 85.4 mph (137.44 km/h) |
| 85 mph (136.79 km/h) | 90.74 mph (146.03 km/h) |
| 90 mph (144.84 km/h) | 96.08 mph (154.62 km/h) |
| 95 mph (152.89 km/h) | 101.42 mph (163.21 km/h) |
| 100 mph (160.93 km/h) | 106.75 mph (171.8 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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