Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/40-17 | 205/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.46 (595.8) | 23.07 (586) | -0.39 (-9.8) -1.6% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 73.69 (1871.76) | 72.48 (1840.97) | -1.21 (-30.79) -1.6% |
| Sidewall Height inches (mm) | 3.23 (82) | 4.04 (102.5) | 0.81 (20.5) 25% |
| Revolutions per mile (km) | 859.8 (534.26) | 874.18 (543.19) | 14.38 (8.93) 1.7% |
205/50-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.67 mph (31.66 km/h) |
| 25 mph (40.23 km/h) | 24.59 mph (39.57 km/h) |
| 30 mph (48.28 km/h) | 29.51 mph (47.49 km/h) |
| 35 mph (56.33 km/h) | 34.42 mph (55.4 km/h) |
| 40 mph (64.37 km/h) | 39.34 mph (63.32 km/h) |
| 45 mph (72.42 km/h) | 44.26 mph (71.23 km/h) |
| 50 mph (80.47 km/h) | 49.18 mph (79.14 km/h) |
| 55 mph (88.51 km/h) | 54.1 mph (87.06 km/h) |
| 60 mph (96.56 km/h) | 59.01 mph (94.97 km/h) |
| 65 mph (104.61 km/h) | 63.93 mph (102.89 km/h) |
| 70 mph (112.65 km/h) | 68.85 mph (110.8 km/h) |
| 75 mph (120.7 km/h) | 73.77 mph (118.72 km/h) |
| 80 mph (128.75 km/h) | 78.68 mph (126.63 km/h) |
| 85 mph (136.79 km/h) | 83.6 mph (134.54 km/h) |
| 90 mph (144.84 km/h) | 88.52 mph (142.46 km/h) |
| 95 mph (152.89 km/h) | 93.44 mph (150.37 km/h) |
| 100 mph (160.93 km/h) | 98.36 mph (158.29 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2225 | 2584 | 2783 | 2906 | 3039 | 3133 | 3238 | 3361 | 3531 | 3701 | 3891 | 4042 | 4317 | 4620 | 4856 | 5008 | 5093 | 5405 | 5841 | 6787 |
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