Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-18 | 235/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.72 (653.2) | 27.18 (690.3) | 1.46 (37.1) 5.7% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 80.79 (2052.09) | 85.38 (2168.64) | 4.59 (116.55) 5.7% |
| Sidewall Height inches (mm) | 3.86 (98) | 5.09 (129.25) | 1.23 (31.25) 31.9% |
| Revolutions per mile (km) | 784.25 (487.31) | 742.1 (461.12) | -42.15 (-26.19) -5.4% |
235/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.14 mph (34.02 km/h) |
| 25 mph (40.23 km/h) | 26.42 mph (42.52 km/h) |
| 30 mph (48.28 km/h) | 31.7 mph (51.02 km/h) |
| 35 mph (56.33 km/h) | 36.99 mph (59.53 km/h) |
| 40 mph (64.37 km/h) | 42.27 mph (68.03 km/h) |
| 45 mph (72.42 km/h) | 47.56 mph (76.53 km/h) |
| 50 mph (80.47 km/h) | 52.84 mph (85.04 km/h) |
| 55 mph (88.51 km/h) | 58.12 mph (93.54 km/h) |
| 60 mph (96.56 km/h) | 63.41 mph (102.05 km/h) |
| 65 mph (104.61 km/h) | 68.69 mph (110.55 km/h) |
| 70 mph (112.65 km/h) | 73.98 mph (119.05 km/h) |
| 75 mph (120.7 km/h) | 79.26 mph (127.56 km/h) |
| 80 mph (128.75 km/h) | 84.54 mph (136.06 km/h) |
| 85 mph (136.79 km/h) | 89.83 mph (144.56 km/h) |
| 90 mph (144.84 km/h) | 95.11 mph (153.07 km/h) |
| 95 mph (152.89 km/h) | 100.4 mph (161.57 km/h) |
| 100 mph (160.93 km/h) | 105.68 mph (170.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1888 | 2194 | 2363 | 2467 | 2580 | 2660 | 2748 | 2853 | 2997 | 3142 | 3303 | 3431 | 3664 | 3922 | 4123 | 4251 | 4323 | 4589 | 4958 | 5762 |
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