Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-18 | 215/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.97 (659.7) | 26.31 (668.3) | 0.34 (8.6) 1.3% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 81.59 (2072.51) | 82.66 (2099.53) | 1.06 (27.02) 1.3% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 4.66 (118.25) | 0.67 (17) 16.8% |
| Revolutions per mile (km) | 776.52 (482.51) | 766.53 (476.3) | -9.99 (-6.21) -1.3% |
215/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.26 mph (32.61 km/h) |
| 25 mph (40.23 km/h) | 25.33 mph (40.76 km/h) |
| 30 mph (48.28 km/h) | 30.39 mph (48.91 km/h) |
| 35 mph (56.33 km/h) | 35.46 mph (57.06 km/h) |
| 40 mph (64.37 km/h) | 40.52 mph (65.21 km/h) |
| 45 mph (72.42 km/h) | 45.59 mph (73.36 km/h) |
| 50 mph (80.47 km/h) | 50.65 mph (81.52 km/h) |
| 55 mph (88.51 km/h) | 55.72 mph (89.67 km/h) |
| 60 mph (96.56 km/h) | 60.78 mph (97.82 km/h) |
| 65 mph (104.61 km/h) | 65.85 mph (105.97 km/h) |
| 70 mph (112.65 km/h) | 70.91 mph (114.12 km/h) |
| 75 mph (120.7 km/h) | 75.98 mph (122.27 km/h) |
| 80 mph (128.75 km/h) | 81.04 mph (130.43 km/h) |
| 85 mph (136.79 km/h) | 86.11 mph (138.58 km/h) |
| 90 mph (144.84 km/h) | 91.17 mph (146.73 km/h) |
| 95 mph (152.89 km/h) | 96.24 mph (154.88 km/h) |
| 100 mph (160.93 km/h) | 101.3 mph (163.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1951 | 2266 | 2440 | 2548 | 2665 | 2748 | 2839 | 2947 | 3096 | 3246 | 3412 | 3544 | 3785 | 4051 | 4258 | 4391 | 4466 | 4740 | 5122 | 5952 |
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