Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-12 | 175/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.76 (552.8) | 22.96 (583.1) | 1.19 (30.3) 5.5% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 68.37 (1736.67) | 72.12 (1831.86) | 3.75 (95.19) 5.5% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.48 (113.75) | -0.4 (-10.25) -8.3% |
| Revolutions per mile (km) | 926.68 (575.81) | 878.53 (545.89) | -48.15 (-29.92) -5.2% |
175/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.1 mph (33.95 km/h) |
| 25 mph (40.23 km/h) | 26.37 mph (42.44 km/h) |
| 30 mph (48.28 km/h) | 31.64 mph (50.93 km/h) |
| 35 mph (56.33 km/h) | 36.92 mph (59.41 km/h) |
| 40 mph (64.37 km/h) | 42.19 mph (67.9 km/h) |
| 45 mph (72.42 km/h) | 47.47 mph (76.39 km/h) |
| 50 mph (80.47 km/h) | 52.74 mph (84.88 km/h) |
| 55 mph (88.51 km/h) | 58.01 mph (93.37 km/h) |
| 60 mph (96.56 km/h) | 63.29 mph (101.85 km/h) |
| 65 mph (104.61 km/h) | 68.56 mph (110.34 km/h) |
| 70 mph (112.65 km/h) | 73.84 mph (118.83 km/h) |
| 75 mph (120.7 km/h) | 79.11 mph (127.32 km/h) |
| 80 mph (128.75 km/h) | 84.38 mph (135.8 km/h) |
| 85 mph (136.79 km/h) | 89.66 mph (144.29 km/h) |
| 90 mph (144.84 km/h) | 94.93 mph (152.78 km/h) |
| 95 mph (152.89 km/h) | 100.21 mph (161.27 km/h) |
| 100 mph (160.93 km/h) | 105.48 mph (169.76 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2236 | 2597 | 2797 | 2921 | 3054 | 3149 | 3254 | 3377 | 3549 | 3720 | 3910 | 4062 | 4338 | 4643 | 4880 | 5033 | 5118 | 5432 | 5870 | 6821 |
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