Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-15 | 175/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.77 (553) | 22.96 (583.1) | 1.19 (30.1) 5.4% |
| Width inches (mm) | 8.46 (215) | 6.89 (175) | -1.57 (-40) -18.6% |
| Circum. inches (mm) | 68.4 (1737.3) | 72.12 (1831.86) | 3.72 (94.56) 5.4% |
| Sidewall Height inches (mm) | 3.39 (86) | 4.48 (113.75) | 1.09 (27.75) 32.3% |
| Revolutions per mile (km) | 926.35 (575.6) | 878.53 (545.89) | -47.82 (-29.71) -5.2% |
175/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.09 mph (33.94 km/h) |
| 25 mph (40.23 km/h) | 26.36 mph (42.42 km/h) |
| 30 mph (48.28 km/h) | 31.63 mph (50.91 km/h) |
| 35 mph (56.33 km/h) | 36.91 mph (59.39 km/h) |
| 40 mph (64.37 km/h) | 42.18 mph (67.88 km/h) |
| 45 mph (72.42 km/h) | 47.45 mph (76.36 km/h) |
| 50 mph (80.47 km/h) | 52.72 mph (84.85 km/h) |
| 55 mph (88.51 km/h) | 57.99 mph (93.33 km/h) |
| 60 mph (96.56 km/h) | 63.27 mph (101.82 km/h) |
| 65 mph (104.61 km/h) | 68.54 mph (110.3 km/h) |
| 70 mph (112.65 km/h) | 73.81 mph (118.79 km/h) |
| 75 mph (120.7 km/h) | 79.08 mph (127.27 km/h) |
| 80 mph (128.75 km/h) | 84.35 mph (135.76 km/h) |
| 85 mph (136.79 km/h) | 89.63 mph (144.24 km/h) |
| 90 mph (144.84 km/h) | 94.9 mph (152.73 km/h) |
| 95 mph (152.89 km/h) | 100.17 mph (161.21 km/h) |
| 100 mph (160.93 km/h) | 105.44 mph (169.69 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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