Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-17 | 245/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.86 (656.8) | 25.68 (652.3) | -0.18 (-4.5) -0.7% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 81.24 (2063.4) | 80.68 (2049.26) | -0.56 (-14.14) -0.7% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 4.34 (110.25) | -0.09 (-2.25) -2% |
| Revolutions per mile (km) | 779.95 (484.64) | 785.33 (487.98) | 5.38 (3.34) 0.7% |
245/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.86 mph (31.97 km/h) |
| 25 mph (40.23 km/h) | 24.83 mph (39.96 km/h) |
| 30 mph (48.28 km/h) | 29.79 mph (47.95 km/h) |
| 35 mph (56.33 km/h) | 34.76 mph (55.94 km/h) |
| 40 mph (64.37 km/h) | 39.73 mph (63.93 km/h) |
| 45 mph (72.42 km/h) | 44.69 mph (71.92 km/h) |
| 50 mph (80.47 km/h) | 49.66 mph (79.92 km/h) |
| 55 mph (88.51 km/h) | 54.62 mph (87.91 km/h) |
| 60 mph (96.56 km/h) | 59.59 mph (95.9 km/h) |
| 65 mph (104.61 km/h) | 64.55 mph (103.89 km/h) |
| 70 mph (112.65 km/h) | 69.52 mph (111.88 km/h) |
| 75 mph (120.7 km/h) | 74.49 mph (119.87 km/h) |
| 80 mph (128.75 km/h) | 79.45 mph (127.87 km/h) |
| 85 mph (136.79 km/h) | 84.42 mph (135.86 km/h) |
| 90 mph (144.84 km/h) | 89.38 mph (143.85 km/h) |
| 95 mph (152.89 km/h) | 94.35 mph (151.84 km/h) |
| 100 mph (160.93 km/h) | 99.31 mph (159.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1999 | 2322 | 2500 | 2611 | 2730 | 2815 | 2908 | 3019 | 3172 | 3325 | 3495 | 3631 | 3878 | 4150 | 4363 | 4499 | 4575 | 4856 | 5247 | 6098 |
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