Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/45-18 | 205/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.62 (650.7) | 25.07 (636.8) | -0.55 (-13.9) -2.1% |
| Width inches (mm) | 8.46 (215) | 8.07 (205) | -0.39 (-10) -4.7% |
| Circum. inches (mm) | 80.48 (2044.23) | 78.76 (2000.57) | -1.72 (-43.67) -2.1% |
| Sidewall Height inches (mm) | 3.81 (96.75) | 4.04 (102.5) | 0.23 (5.75) 5.9% |
| Revolutions per mile (km) | 787.26 (489.18) | 804.44 (499.86) | 17.18 (10.68) 2.2% |
205/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.57 mph (31.5 km/h) |
| 25 mph (40.23 km/h) | 24.47 mph (39.37 km/h) |
| 30 mph (48.28 km/h) | 29.36 mph (47.25 km/h) |
| 35 mph (56.33 km/h) | 34.25 mph (55.12 km/h) |
| 40 mph (64.37 km/h) | 39.15 mph (63 km/h) |
| 45 mph (72.42 km/h) | 44.04 mph (70.87 km/h) |
| 50 mph (80.47 km/h) | 48.93 mph (78.75 km/h) |
| 55 mph (88.51 km/h) | 53.83 mph (86.62 km/h) |
| 60 mph (96.56 km/h) | 58.72 mph (94.5 km/h) |
| 65 mph (104.61 km/h) | 63.61 mph (102.37 km/h) |
| 70 mph (112.65 km/h) | 68.5 mph (110.25 km/h) |
| 75 mph (120.7 km/h) | 73.4 mph (118.12 km/h) |
| 80 mph (128.75 km/h) | 78.29 mph (126 km/h) |
| 85 mph (136.79 km/h) | 83.18 mph (133.87 km/h) |
| 90 mph (144.84 km/h) | 88.08 mph (141.75 km/h) |
| 95 mph (152.89 km/h) | 92.97 mph (149.62 km/h) |
| 100 mph (160.93 km/h) | 97.86 mph (157.5 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2047 | 2378 | 2561 | 2674 | 2796 | 2883 | 2979 | 3093 | 3249 | 3406 | 3580 | 3720 | 3972 | 4251 | 4469 | 4608 | 4687 | 4974 | 5375 | 6246 |
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