Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-15 | 235/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 27.18 (690.3) | 2.43 (61.8) 9.8% |
| Width inches (mm) | 8.86 (225) | 9.25 (235) | 0.39 (10) 4.4% |
| Circum. inches (mm) | 77.74 (1974.49) | 85.38 (2168.64) | 7.64 (194.15) 9.8% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 5.09 (129.25) | 0.22 (5.5) 4.4% |
| Revolutions per mile (km) | 815.07 (506.46) | 742.1 (461.12) | -72.97 (-45.34) -9% |
235/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.97 mph (35.35 km/h) |
| 25 mph (40.23 km/h) | 27.46 mph (44.19 km/h) |
| 30 mph (48.28 km/h) | 32.95 mph (53.03 km/h) |
| 35 mph (56.33 km/h) | 38.44 mph (61.87 km/h) |
| 40 mph (64.37 km/h) | 43.93 mph (70.7 km/h) |
| 45 mph (72.42 km/h) | 49.42 mph (79.54 km/h) |
| 50 mph (80.47 km/h) | 54.92 mph (88.38 km/h) |
| 55 mph (88.51 km/h) | 60.41 mph (97.22 km/h) |
| 60 mph (96.56 km/h) | 65.9 mph (106.06 km/h) |
| 65 mph (104.61 km/h) | 71.39 mph (114.89 km/h) |
| 70 mph (112.65 km/h) | 76.88 mph (123.73 km/h) |
| 75 mph (120.7 km/h) | 82.37 mph (132.57 km/h) |
| 80 mph (128.75 km/h) | 87.87 mph (141.41 km/h) |
| 85 mph (136.79 km/h) | 93.36 mph (150.25 km/h) |
| 90 mph (144.84 km/h) | 98.85 mph (159.08 km/h) |
| 95 mph (152.89 km/h) | 104.34 mph (167.92 km/h) |
| 100 mph (160.93 km/h) | 109.83 mph (176.76 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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