Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-17 | 245/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 24.72 (627.8) | -0.96 (-24.5) -3.8% |
| Width inches (mm) | 9.65 (245) | 9.65 (245) | 0 (0) 0% |
| Circum. inches (mm) | 80.68 (2049.26) | 77.65 (1972.29) | -3.03 (-76.97) -3.8% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 3.86 (98) | -0.48 (-12.25) -11.1% |
| Revolutions per mile (km) | 785.33 (487.98) | 815.98 (507.02) | 30.65 (19.04) 3.9% |
245/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.25 mph (30.98 km/h) |
| 25 mph (40.23 km/h) | 24.06 mph (38.72 km/h) |
| 30 mph (48.28 km/h) | 28.87 mph (46.47 km/h) |
| 35 mph (56.33 km/h) | 33.69 mph (54.21 km/h) |
| 40 mph (64.37 km/h) | 38.5 mph (61.96 km/h) |
| 45 mph (72.42 km/h) | 43.31 mph (69.7 km/h) |
| 50 mph (80.47 km/h) | 48.12 mph (77.45 km/h) |
| 55 mph (88.51 km/h) | 52.93 mph (85.19 km/h) |
| 60 mph (96.56 km/h) | 57.75 mph (92.93 km/h) |
| 65 mph (104.61 km/h) | 62.56 mph (100.68 km/h) |
| 70 mph (112.65 km/h) | 67.37 mph (108.42 km/h) |
| 75 mph (120.7 km/h) | 72.18 mph (116.17 km/h) |
| 80 mph (128.75 km/h) | 77 mph (123.91 km/h) |
| 85 mph (136.79 km/h) | 81.81 mph (131.66 km/h) |
| 90 mph (144.84 km/h) | 86.62 mph (139.4 km/h) |
| 95 mph (152.89 km/h) | 91.43 mph (147.15 km/h) |
| 100 mph (160.93 km/h) | 96.24 mph (154.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2077 | 2412 | 2598 | 2713 | 2836 | 2925 | 3022 | 3137 | 3296 | 3455 | 3632 | 3773 | 4029 | 4312 | 4533 | 4674 | 4754 | 5045 | 5452 | 6336 |
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