Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/45-20 | 225/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.33 (719.5) | 28.52 (724.3) | 0.19 (4.8) 0.7% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 88.99 (2260.38) | 89.58 (2275.46) | 0.59 (15.08) 0.7% |
| Sidewall Height inches (mm) | 4.16 (105.75) | 5.76 (146.25) | 1.59 (40.5) 38.3% |
| Revolutions per mile (km) | 711.98 (442.4) | 707.26 (439.47) | -4.72 (-2.93) -0.7% |
225/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.13 mph (32.4 km/h) |
| 25 mph (40.23 km/h) | 25.17 mph (40.5 km/h) |
| 30 mph (48.28 km/h) | 30.2 mph (48.6 km/h) |
| 35 mph (56.33 km/h) | 35.23 mph (56.7 km/h) |
| 40 mph (64.37 km/h) | 40.27 mph (64.8 km/h) |
| 45 mph (72.42 km/h) | 45.3 mph (72.9 km/h) |
| 50 mph (80.47 km/h) | 50.33 mph (81 km/h) |
| 55 mph (88.51 km/h) | 55.37 mph (89.1 km/h) |
| 60 mph (96.56 km/h) | 60.4 mph (97.21 km/h) |
| 65 mph (104.61 km/h) | 65.43 mph (105.31 km/h) |
| 70 mph (112.65 km/h) | 70.47 mph (113.41 km/h) |
| 75 mph (120.7 km/h) | 75.5 mph (121.51 km/h) |
| 80 mph (128.75 km/h) | 80.53 mph (129.61 km/h) |
| 85 mph (136.79 km/h) | 85.57 mph (137.71 km/h) |
| 90 mph (144.84 km/h) | 90.6 mph (145.81 km/h) |
| 95 mph (152.89 km/h) | 95.63 mph (153.91 km/h) |
| 100 mph (160.93 km/h) | 100.67 mph (162.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1800 | 2091 | 2252 | 2351 | 2459 | 2535 | 2619 | 2719 | 2857 | 2995 | 3148 | 3270 | 3492 | 3738 | 3929 | 4052 | 4121 | 4373 | 4726 | 5491 |
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