Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/45-15 | 205/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.5) | 24.26 (616.3) | 3.06 (77.8) 14.4% |
| Width inches (mm) | 6.89 (175) | 8.07 (205) | 1.18 (30) 17.1% |
| Circum. inches (mm) | 66.6 (1691.75) | 76.23 (1936.16) | 9.62 (244.42) 14.4% |
| Sidewall Height inches (mm) | 3.1 (78.75) | 3.63 (92.25) | 0.53 (13.5) 17.1% |
| Revolutions per mile (km) | 951.29 (591.1) | 831.2 (516.48) | -120.09 (-74.62) -12.6% |
205/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.89 mph (36.84 km/h) |
| 25 mph (40.23 km/h) | 28.61 mph (46.05 km/h) |
| 30 mph (48.28 km/h) | 34.33 mph (55.26 km/h) |
| 35 mph (56.33 km/h) | 40.06 mph (64.47 km/h) |
| 40 mph (64.37 km/h) | 45.78 mph (73.67 km/h) |
| 45 mph (72.42 km/h) | 51.5 mph (82.88 km/h) |
| 50 mph (80.47 km/h) | 57.22 mph (92.09 km/h) |
| 55 mph (88.51 km/h) | 62.95 mph (101.3 km/h) |
| 60 mph (96.56 km/h) | 68.67 mph (110.51 km/h) |
| 65 mph (104.61 km/h) | 74.39 mph (119.72 km/h) |
| 70 mph (112.65 km/h) | 80.11 mph (128.93 km/h) |
| 75 mph (120.7 km/h) | 85.84 mph (138.14 km/h) |
| 80 mph (128.75 km/h) | 91.56 mph (147.35 km/h) |
| 85 mph (136.79 km/h) | 97.28 mph (156.56 km/h) |
| 90 mph (144.84 km/h) | 103 mph (165.77 km/h) |
| 95 mph (152.89 km/h) | 108.73 mph (174.98 km/h) |
| 100 mph (160.93 km/h) | 114.45 mph (184.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2115 | 2457 | 2646 | 2763 | 2889 | 2979 | 3078 | 3195 | 3357 | 3519 | 3699 | 3843 | 4104 | 4393 | 4618 | 4762 | 4843 | 5140 | 5554 | 6454 |
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