Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/75-15 | 175/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.29 (718.5) | 22.96 (583.1) | -5.33 (-135.4) -18.8% |
| Width inches (mm) | 8.86 (225) | 6.89 (175) | -1.97 (-50) -22.2% |
| Circum. inches (mm) | 88.87 (2257.23) | 72.12 (1831.86) | -16.75 (-425.37) -18.8% |
| Sidewall Height inches (mm) | 6.64 (168.75) | 4.48 (113.75) | -2.17 (-55) -32.6% |
| Revolutions per mile (km) | 712.97 (443.02) | 878.53 (545.89) | 165.56 (102.87) 23.2% |
175/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.23 mph (26.12 km/h) |
| 25 mph (40.23 km/h) | 20.29 mph (32.65 km/h) |
| 30 mph (48.28 km/h) | 24.35 mph (39.18 km/h) |
| 35 mph (56.33 km/h) | 28.4 mph (45.71 km/h) |
| 40 mph (64.37 km/h) | 32.46 mph (52.24 km/h) |
| 45 mph (72.42 km/h) | 36.52 mph (58.77 km/h) |
| 50 mph (80.47 km/h) | 40.58 mph (65.3 km/h) |
| 55 mph (88.51 km/h) | 44.64 mph (71.83 km/h) |
| 60 mph (96.56 km/h) | 48.69 mph (78.36 km/h) |
| 65 mph (104.61 km/h) | 52.75 mph (84.89 km/h) |
| 70 mph (112.65 km/h) | 56.81 mph (91.42 km/h) |
| 75 mph (120.7 km/h) | 60.87 mph (97.96 km/h) |
| 80 mph (128.75 km/h) | 64.92 mph (104.49 km/h) |
| 85 mph (136.79 km/h) | 68.98 mph (111.02 km/h) |
| 90 mph (144.84 km/h) | 73.04 mph (117.55 km/h) |
| 95 mph (152.89 km/h) | 77.1 mph (124.08 km/h) |
| 100 mph (160.93 km/h) | 81.16 mph (130.61 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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