Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 240/55-16 | 245/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.39 (670.4) | 29.54 (750.3) | 3.15 (79.9) 11.9% |
| Width inches (mm) | 9.45 (240) | 9.65 (245) | 0.2 (5) 2.1% |
| Circum. inches (mm) | 82.92 (2106.12) | 92.8 (2357.14) | 9.88 (251.01) 11.9% |
| Sidewall Height inches (mm) | 5.2 (132) | 6.27 (159.25) | 1.07 (27.25) 20.6% |
| Revolutions per mile (km) | 764.13 (474.81) | 682.75 (424.24) | -81.37 (-50.56) -10.6% |
245/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.38 mph (36.02 km/h) |
| 25 mph (40.23 km/h) | 27.98 mph (45.03 km/h) |
| 30 mph (48.28 km/h) | 33.58 mph (54.03 km/h) |
| 35 mph (56.33 km/h) | 39.17 mph (63.04 km/h) |
| 40 mph (64.37 km/h) | 44.77 mph (72.05 km/h) |
| 45 mph (72.42 km/h) | 50.36 mph (81.05 km/h) |
| 50 mph (80.47 km/h) | 55.96 mph (90.06 km/h) |
| 55 mph (88.51 km/h) | 61.56 mph (99.06 km/h) |
| 60 mph (96.56 km/h) | 67.15 mph (108.07 km/h) |
| 65 mph (104.61 km/h) | 72.75 mph (117.07 km/h) |
| 70 mph (112.65 km/h) | 78.34 mph (126.08 km/h) |
| 75 mph (120.7 km/h) | 83.94 mph (135.09 km/h) |
| 80 mph (128.75 km/h) | 89.53 mph (144.09 km/h) |
| 85 mph (136.79 km/h) | 95.13 mph (153.1 km/h) |
| 90 mph (144.84 km/h) | 100.73 mph (162.1 km/h) |
| 95 mph (152.89 km/h) | 106.32 mph (171.11 km/h) |
| 100 mph (160.93 km/h) | 111.92 mph (180.12 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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