Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 220/70-14 | 235/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.6) | 25.33 (643.3) | -0.8 (-20.3) -3.1% |
| Width inches (mm) | 8.66 (220) | 9.25 (235) | 0.59 (15) 6.8% |
| Circum. inches (mm) | 82.08 (2084.76) | 79.57 (2020.99) | -2.51 (-63.77) -3.1% |
| Sidewall Height inches (mm) | 6.06 (154) | 4.16 (105.75) | -1.9 (-48.25) -31.3% |
| Revolutions per mile (km) | 771.96 (479.67) | 796.32 (494.81) | 24.36 (15.14) 3.2% |
235/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.39 mph (31.2 km/h) |
| 25 mph (40.23 km/h) | 24.24 mph (39 km/h) |
| 30 mph (48.28 km/h) | 29.08 mph (46.8 km/h) |
| 35 mph (56.33 km/h) | 33.93 mph (54.6 km/h) |
| 40 mph (64.37 km/h) | 38.78 mph (62.4 km/h) |
| 45 mph (72.42 km/h) | 43.62 mph (70.21 km/h) |
| 50 mph (80.47 km/h) | 48.47 mph (78.01 km/h) |
| 55 mph (88.51 km/h) | 53.32 mph (85.81 km/h) |
| 60 mph (96.56 km/h) | 58.16 mph (93.61 km/h) |
| 65 mph (104.61 km/h) | 63.01 mph (101.41 km/h) |
| 70 mph (112.65 km/h) | 67.86 mph (109.21 km/h) |
| 75 mph (120.7 km/h) | 72.71 mph (117.01 km/h) |
| 80 mph (128.75 km/h) | 77.55 mph (124.81 km/h) |
| 85 mph (136.79 km/h) | 82.4 mph (132.61 km/h) |
| 90 mph (144.84 km/h) | 87.25 mph (140.41 km/h) |
| 95 mph (152.89 km/h) | 92.09 mph (148.21 km/h) |
| 100 mph (160.93 km/h) | 96.94 mph (156.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2354 | 2535 | 2647 | 2768 | 2854 | 2949 | 3061 | 3216 | 3372 | 3544 | 3682 | 3932 | 4208 | 4424 | 4562 | 4639 | 4924 | 5321 | 6183 |
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