Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/55-17 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.61 (701.3) | 29.54 (750.3) | 1.93 (49) 7% |
| Width inches (mm) | 9.65 (245) | 9.65 (245) | 0 (0) 0% |
| Circum. inches (mm) | 86.74 (2203.2) | 92.8 (2357.14) | 6.06 (153.94) 7% |
| Sidewall Height inches (mm) | 5.31 (134.75) | 6.27 (159.25) | 0.96 (24.5) 18.2% |
| Revolutions per mile (km) | 730.46 (453.88) | 682.75 (424.24) | -47.7 (-29.64) -6.5% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.4 mph (34.44 km/h) |
| 25 mph (40.23 km/h) | 26.75 mph (43.04 km/h) |
| 30 mph (48.28 km/h) | 32.1 mph (51.65 km/h) |
| 35 mph (56.33 km/h) | 37.45 mph (60.26 km/h) |
| 40 mph (64.37 km/h) | 42.79 mph (68.87 km/h) |
| 45 mph (72.42 km/h) | 48.14 mph (77.48 km/h) |
| 50 mph (80.47 km/h) | 53.49 mph (86.09 km/h) |
| 55 mph (88.51 km/h) | 58.84 mph (94.7 km/h) |
| 60 mph (96.56 km/h) | 64.19 mph (103.31 km/h) |
| 65 mph (104.61 km/h) | 69.54 mph (111.92 km/h) |
| 70 mph (112.65 km/h) | 74.89 mph (120.53 km/h) |
| 75 mph (120.7 km/h) | 80.24 mph (129.13 km/h) |
| 80 mph (128.75 km/h) | 85.59 mph (137.74 km/h) |
| 85 mph (136.79 km/h) | 90.94 mph (146.35 km/h) |
| 90 mph (144.84 km/h) | 96.29 mph (154.96 km/h) |
| 95 mph (152.89 km/h) | 101.64 mph (163.57 km/h) |
| 100 mph (160.93 km/h) | 106.99 mph (172.18 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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