Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-15 | 205/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.34 (542) | 24.26 (616.3) | 2.93 (74.3) 13.7% |
| Width inches (mm) | 4.53 (115) | 8.07 (205) | 3.54 (90) 78.3% |
| Circum. inches (mm) | 67.04 (1702.74) | 76.23 (1936.16) | 9.19 (233.42) 13.7% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 3.63 (92.25) | 0.46 (11.75) 14.6% |
| Revolutions per mile (km) | 945.15 (587.29) | 831.2 (516.48) | -113.95 (-70.8) -12.1% |
205/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.74 mph (36.6 km/h) |
| 25 mph (40.23 km/h) | 28.43 mph (45.75 km/h) |
| 30 mph (48.28 km/h) | 34.11 mph (54.9 km/h) |
| 35 mph (56.33 km/h) | 39.8 mph (64.05 km/h) |
| 40 mph (64.37 km/h) | 45.48 mph (73.2 km/h) |
| 45 mph (72.42 km/h) | 51.17 mph (82.35 km/h) |
| 50 mph (80.47 km/h) | 56.85 mph (91.5 km/h) |
| 55 mph (88.51 km/h) | 62.54 mph (100.65 km/h) |
| 60 mph (96.56 km/h) | 68.23 mph (109.8 km/h) |
| 65 mph (104.61 km/h) | 73.91 mph (118.95 km/h) |
| 70 mph (112.65 km/h) | 79.6 mph (128.1 km/h) |
| 75 mph (120.7 km/h) | 85.28 mph (137.25 km/h) |
| 80 mph (128.75 km/h) | 90.97 mph (146.4 km/h) |
| 85 mph (136.79 km/h) | 96.65 mph (155.55 km/h) |
| 90 mph (144.84 km/h) | 102.34 mph (164.7 km/h) |
| 95 mph (152.89 km/h) | 108.02 mph (173.85 km/h) |
| 100 mph (160.93 km/h) | 113.71 mph (183 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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