Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/50-18 | 215/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.46 (672.2) | 26.31 (668.3) | -0.15 (-3.9) -0.6% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 83.14 (2111.78) | 82.66 (2099.53) | -0.48 (-12.25) -0.6% |
| Sidewall Height inches (mm) | 4.23 (107.5) | 4.66 (118.25) | 0.42 (10.75) 10% |
| Revolutions per mile (km) | 762.08 (473.53) | 766.53 (476.3) | 4.45 (2.76) 0.6% |
215/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.88 mph (32 km/h) |
| 25 mph (40.23 km/h) | 24.85 mph (40 km/h) |
| 30 mph (48.28 km/h) | 29.83 mph (48 km/h) |
| 35 mph (56.33 km/h) | 34.8 mph (56 km/h) |
| 40 mph (64.37 km/h) | 39.77 mph (64 km/h) |
| 45 mph (72.42 km/h) | 44.74 mph (72 km/h) |
| 50 mph (80.47 km/h) | 49.71 mph (80 km/h) |
| 55 mph (88.51 km/h) | 54.68 mph (88 km/h) |
| 60 mph (96.56 km/h) | 59.65 mph (96 km/h) |
| 65 mph (104.61 km/h) | 64.62 mph (104 km/h) |
| 70 mph (112.65 km/h) | 69.59 mph (112 km/h) |
| 75 mph (120.7 km/h) | 74.56 mph (120 km/h) |
| 80 mph (128.75 km/h) | 79.54 mph (128 km/h) |
| 85 mph (136.79 km/h) | 84.51 mph (136 km/h) |
| 90 mph (144.84 km/h) | 89.48 mph (144 km/h) |
| 95 mph (152.89 km/h) | 94.45 mph (152 km/h) |
| 100 mph (160.93 km/h) | 99.42 mph (160 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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