Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/45-15 | 205/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.26 (565.5) | 23.46 (595.8) | 1.19 (30.3) 5.4% |
| Width inches (mm) | 8.07 (205) | 8.07 (205) | 0 (0) 0% |
| Circum. inches (mm) | 69.94 (1776.57) | 73.69 (1871.76) | 3.75 (95.19) 5.4% |
| Sidewall Height inches (mm) | 3.63 (92.25) | 3.23 (82) | -0.4 (-10.25) -11.1% |
| Revolutions per mile (km) | 905.87 (562.88) | 859.8 (534.26) | -46.07 (-28.63) -5.1% |
205/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.07 mph (33.91 km/h) |
| 25 mph (40.23 km/h) | 26.34 mph (42.39 km/h) |
| 30 mph (48.28 km/h) | 31.61 mph (50.87 km/h) |
| 35 mph (56.33 km/h) | 36.88 mph (59.35 km/h) |
| 40 mph (64.37 km/h) | 42.14 mph (67.82 km/h) |
| 45 mph (72.42 km/h) | 47.41 mph (76.3 km/h) |
| 50 mph (80.47 km/h) | 52.68 mph (84.78 km/h) |
| 55 mph (88.51 km/h) | 57.95 mph (93.26 km/h) |
| 60 mph (96.56 km/h) | 63.21 mph (101.73 km/h) |
| 65 mph (104.61 km/h) | 68.48 mph (110.21 km/h) |
| 70 mph (112.65 km/h) | 73.75 mph (118.69 km/h) |
| 75 mph (120.7 km/h) | 79.02 mph (127.17 km/h) |
| 80 mph (128.75 km/h) | 84.29 mph (135.65 km/h) |
| 85 mph (136.79 km/h) | 89.55 mph (144.12 km/h) |
| 90 mph (144.84 km/h) | 94.82 mph (152.6 km/h) |
| 95 mph (152.89 km/h) | 100.09 mph (161.08 km/h) |
| 100 mph (160.93 km/h) | 105.36 mph (169.56 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2188 | 2542 | 2737 | 2858 | 2989 | 3082 | 3184 | 3305 | 3473 | 3641 | 3827 | 3976 | 4246 | 4544 | 4776 | 4925 | 5009 | 5316 | 5745 | 6676 |
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