Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/45-15 | 205/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.91 (556.5) | 23.46 (595.8) | 1.55 (39.3) 7.1% |
| Width inches (mm) | 7.68 (195) | 8.07 (205) | 0.39 (10) 5.1% |
| Circum. inches (mm) | 68.83 (1748.3) | 73.69 (1871.76) | 4.86 (123.46) 7.1% |
| Sidewall Height inches (mm) | 3.45 (87.75) | 3.23 (82) | -0.23 (-5.75) -6.6% |
| Revolutions per mile (km) | 920.52 (571.98) | 859.8 (534.26) | -60.72 (-37.73) -6.6% |
205/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.41 mph (34.46 km/h) |
| 25 mph (40.23 km/h) | 26.77 mph (43.07 km/h) |
| 30 mph (48.28 km/h) | 32.12 mph (51.69 km/h) |
| 35 mph (56.33 km/h) | 37.47 mph (60.3 km/h) |
| 40 mph (64.37 km/h) | 42.82 mph (68.92 km/h) |
| 45 mph (72.42 km/h) | 48.18 mph (77.53 km/h) |
| 50 mph (80.47 km/h) | 53.53 mph (86.15 km/h) |
| 55 mph (88.51 km/h) | 58.88 mph (94.76 km/h) |
| 60 mph (96.56 km/h) | 64.24 mph (103.38 km/h) |
| 65 mph (104.61 km/h) | 69.59 mph (111.99 km/h) |
| 70 mph (112.65 km/h) | 74.94 mph (120.61 km/h) |
| 75 mph (120.7 km/h) | 80.3 mph (129.22 km/h) |
| 80 mph (128.75 km/h) | 85.65 mph (137.84 km/h) |
| 85 mph (136.79 km/h) | 91 mph (146.45 km/h) |
| 90 mph (144.84 km/h) | 96.36 mph (155.07 km/h) |
| 95 mph (152.89 km/h) | 101.71 mph (163.68 km/h) |
| 100 mph (160.93 km/h) | 107.06 mph (172.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2188 | 2542 | 2737 | 2858 | 2989 | 3082 | 3184 | 3305 | 3473 | 3641 | 3827 | 3976 | 4246 | 4544 | 4776 | 4925 | 5009 | 5316 | 5745 | 6676 |
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