Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-18 | 225/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.5 (673.2) | 26.74 (679.3) | 0.24 (6.1) 0.9% |
| Width inches (mm) | 5.31 (135) | 8.86 (225) | 3.54 (90) 66.7% |
| Circum. inches (mm) | 83.26 (2114.92) | 84.02 (2134.08) | 0.75 (19.16) 0.9% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.87 (123.75) | 0.62 (15.75) 14.6% |
| Revolutions per mile (km) | 760.95 (472.83) | 754.11 (468.58) | -6.83 (-4.25) -0.9% |
225/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.18 mph (32.48 km/h) |
| 25 mph (40.23 km/h) | 25.23 mph (40.6 km/h) |
| 30 mph (48.28 km/h) | 30.27 mph (48.72 km/h) |
| 35 mph (56.33 km/h) | 35.32 mph (56.84 km/h) |
| 40 mph (64.37 km/h) | 40.36 mph (64.96 km/h) |
| 45 mph (72.42 km/h) | 45.41 mph (73.08 km/h) |
| 50 mph (80.47 km/h) | 50.45 mph (81.2 km/h) |
| 55 mph (88.51 km/h) | 55.5 mph (89.32 km/h) |
| 60 mph (96.56 km/h) | 60.54 mph (97.44 km/h) |
| 65 mph (104.61 km/h) | 65.59 mph (105.56 km/h) |
| 70 mph (112.65 km/h) | 70.63 mph (113.68 km/h) |
| 75 mph (120.7 km/h) | 75.68 mph (121.79 km/h) |
| 80 mph (128.75 km/h) | 80.72 mph (129.91 km/h) |
| 85 mph (136.79 km/h) | 85.77 mph (138.03 km/h) |
| 90 mph (144.84 km/h) | 90.82 mph (146.15 km/h) |
| 95 mph (152.89 km/h) | 95.86 mph (154.27 km/h) |
| 100 mph (160.93 km/h) | 100.91 mph (162.39 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1919 | 2229 | 2401 | 2507 | 2621 | 2703 | 2793 | 2899 | 3046 | 3193 | 3356 | 3487 | 3724 | 3985 | 4189 | 4320 | 4393 | 4663 | 5039 | 5855 |
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