Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-17 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.72 (627.8) | 29.54 (750.3) | 4.82 (122.5) 19.5% |
| Width inches (mm) | 9.65 (245) | 9.65 (245) | 0 (0) 0% |
| Circum. inches (mm) | 77.65 (1972.29) | 92.8 (2357.14) | 15.15 (384.85) 19.5% |
| Sidewall Height inches (mm) | 3.86 (98) | 6.27 (159.25) | 2.41 (61.25) 62.5% |
| Revolutions per mile (km) | 815.98 (507.02) | 682.75 (424.24) | -133.22 (-82.78) -16.3% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.9 mph (38.47 km/h) |
| 25 mph (40.23 km/h) | 29.88 mph (48.08 km/h) |
| 30 mph (48.28 km/h) | 35.85 mph (57.7 km/h) |
| 35 mph (56.33 km/h) | 41.83 mph (67.32 km/h) |
| 40 mph (64.37 km/h) | 47.81 mph (76.93 km/h) |
| 45 mph (72.42 km/h) | 53.78 mph (86.55 km/h) |
| 50 mph (80.47 km/h) | 59.76 mph (96.17 km/h) |
| 55 mph (88.51 km/h) | 65.73 mph (105.79 km/h) |
| 60 mph (96.56 km/h) | 71.71 mph (115.4 km/h) |
| 65 mph (104.61 km/h) | 77.68 mph (125.02 km/h) |
| 70 mph (112.65 km/h) | 83.66 mph (134.64 km/h) |
| 75 mph (120.7 km/h) | 89.63 mph (144.25 km/h) |
| 80 mph (128.75 km/h) | 95.61 mph (153.87 km/h) |
| 85 mph (136.79 km/h) | 101.59 mph (163.49 km/h) |
| 90 mph (144.84 km/h) | 107.56 mph (173.1 km/h) |
| 95 mph (152.89 km/h) | 113.54 mph (182.72 km/h) |
| 100 mph (160.93 km/h) | 119.51 mph (192.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1737 | 2018 | 2174 | 2270 | 2373 | 2447 | 2529 | 2625 | 2758 | 2891 | 3039 | 3157 | 3371 | 3608 | 3793 | 3911 | 3978 | 4222 | 4562 | 5301 |
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