Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/65-17 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.05 (763.3) | 29.54 (750.3) | -0.51 (-13) -1.7% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 94.41 (2397.98) | 92.8 (2357.14) | -1.61 (-40.84) -1.7% |
| Sidewall Height inches (mm) | 6.53 (165.75) | 6.27 (159.25) | -0.26 (-6.5) -3.9% |
| Revolutions per mile (km) | 671.13 (417.02) | 682.75 (424.24) | 11.63 (7.23) 1.7% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.66 mph (31.64 km/h) |
| 25 mph (40.23 km/h) | 24.57 mph (39.55 km/h) |
| 30 mph (48.28 km/h) | 29.49 mph (47.46 km/h) |
| 35 mph (56.33 km/h) | 34.4 mph (55.37 km/h) |
| 40 mph (64.37 km/h) | 39.32 mph (63.28 km/h) |
| 45 mph (72.42 km/h) | 44.23 mph (71.19 km/h) |
| 50 mph (80.47 km/h) | 49.15 mph (79.1 km/h) |
| 55 mph (88.51 km/h) | 54.06 mph (87.01 km/h) |
| 60 mph (96.56 km/h) | 58.98 mph (94.92 km/h) |
| 65 mph (104.61 km/h) | 63.89 mph (102.83 km/h) |
| 70 mph (112.65 km/h) | 68.81 mph (110.74 km/h) |
| 75 mph (120.7 km/h) | 73.72 mph (118.65 km/h) |
| 80 mph (128.75 km/h) | 78.64 mph (126.56 km/h) |
| 85 mph (136.79 km/h) | 83.55 mph (134.46 km/h) |
| 90 mph (144.84 km/h) | 88.47 mph (142.37 km/h) |
| 95 mph (152.89 km/h) | 93.38 mph (150.28 km/h) |
| 100 mph (160.93 km/h) | 98.3 mph (158.19 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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