Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 175/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 22.96 (583.1) | 1.76 (44.7) 8.3% |
| Width inches (mm) | 6.5 (165) | 6.89 (175) | 0.39 (10) 6.1% |
| Circum. inches (mm) | 66.59 (1691.43) | 72.12 (1831.86) | 5.53 (140.43) 8.3% |
| Sidewall Height inches (mm) | 2.6 (66) | 4.48 (113.75) | 1.88 (47.75) 72.3% |
| Revolutions per mile (km) | 951.47 (591.21) | 878.53 (545.89) | -72.94 (-45.32) -7.7% |
175/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.66 mph (34.86 km/h) |
| 25 mph (40.23 km/h) | 27.08 mph (43.57 km/h) |
| 30 mph (48.28 km/h) | 32.49 mph (52.29 km/h) |
| 35 mph (56.33 km/h) | 37.91 mph (61 km/h) |
| 40 mph (64.37 km/h) | 43.32 mph (69.72 km/h) |
| 45 mph (72.42 km/h) | 48.74 mph (78.43 km/h) |
| 50 mph (80.47 km/h) | 54.15 mph (87.15 km/h) |
| 55 mph (88.51 km/h) | 59.57 mph (95.86 km/h) |
| 60 mph (96.56 km/h) | 64.98 mph (104.58 km/h) |
| 65 mph (104.61 km/h) | 70.4 mph (113.29 km/h) |
| 70 mph (112.65 km/h) | 75.81 mph (122.01 km/h) |
| 75 mph (120.7 km/h) | 81.23 mph (130.72 km/h) |
| 80 mph (128.75 km/h) | 86.64 mph (139.44 km/h) |
| 85 mph (136.79 km/h) | 92.06 mph (148.15 km/h) |
| 90 mph (144.84 km/h) | 97.47 mph (156.87 km/h) |
| 95 mph (152.89 km/h) | 102.89 mph (165.58 km/h) |
| 100 mph (160.93 km/h) | 108.3 mph (174.3 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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