Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/85-17 | 225/65-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.73 (831.3) | 28.52 (724.3) | -4.21 (-107) -12.9% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 102.82 (2611.61) | 89.58 (2275.46) | -13.23 (-336.15) -12.9% |
| Sidewall Height inches (mm) | 7.86 (199.75) | 5.76 (146.25) | -2.11 (-53.5) -26.8% |
| Revolutions per mile (km) | 616.23 (382.91) | 707.26 (439.47) | 91.03 (56.57) 14.8% |
225/65-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.43 mph (28.04 km/h) |
| 25 mph (40.23 km/h) | 21.78 mph (35.06 km/h) |
| 30 mph (48.28 km/h) | 26.14 mph (42.07 km/h) |
| 35 mph (56.33 km/h) | 30.5 mph (49.08 km/h) |
| 40 mph (64.37 km/h) | 34.85 mph (56.09 km/h) |
| 45 mph (72.42 km/h) | 39.21 mph (63.1 km/h) |
| 50 mph (80.47 km/h) | 43.56 mph (70.11 km/h) |
| 55 mph (88.51 km/h) | 47.92 mph (77.12 km/h) |
| 60 mph (96.56 km/h) | 52.28 mph (84.13 km/h) |
| 65 mph (104.61 km/h) | 56.63 mph (91.14 km/h) |
| 70 mph (112.65 km/h) | 60.99 mph (98.15 km/h) |
| 75 mph (120.7 km/h) | 65.35 mph (105.17 km/h) |
| 80 mph (128.75 km/h) | 69.7 mph (112.18 km/h) |
| 85 mph (136.79 km/h) | 74.06 mph (119.19 km/h) |
| 90 mph (144.84 km/h) | 78.42 mph (126.2 km/h) |
| 95 mph (152.89 km/h) | 82.77 mph (133.21 km/h) |
| 100 mph (160.93 km/h) | 87.13 mph (140.22 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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