Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/50-18 | 215/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.46 (672.2) | 25.46 (646.8) | -1 (-25.4) -3.8% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 83.14 (2111.78) | 80 (2031.98) | -3.14 (-79.8) -3.8% |
| Sidewall Height inches (mm) | 4.23 (107.5) | 4.23 (107.5) | 0 (0) 0% |
| Revolutions per mile (km) | 762.08 (473.53) | 792.01 (492.13) | 29.93 (18.6) 3.9% |
215/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.24 mph (30.97 km/h) |
| 25 mph (40.23 km/h) | 24.06 mph (38.71 km/h) |
| 30 mph (48.28 km/h) | 28.87 mph (46.46 km/h) |
| 35 mph (56.33 km/h) | 33.68 mph (54.2 km/h) |
| 40 mph (64.37 km/h) | 38.49 mph (61.94 km/h) |
| 45 mph (72.42 km/h) | 43.3 mph (69.68 km/h) |
| 50 mph (80.47 km/h) | 48.11 mph (77.43 km/h) |
| 55 mph (88.51 km/h) | 52.92 mph (85.17 km/h) |
| 60 mph (96.56 km/h) | 57.73 mph (92.91 km/h) |
| 65 mph (104.61 km/h) | 62.54 mph (100.65 km/h) |
| 70 mph (112.65 km/h) | 67.35 mph (108.4 km/h) |
| 75 mph (120.7 km/h) | 72.17 mph (116.14 km/h) |
| 80 mph (128.75 km/h) | 76.98 mph (123.88 km/h) |
| 85 mph (136.79 km/h) | 81.79 mph (131.63 km/h) |
| 90 mph (144.84 km/h) | 86.6 mph (139.37 km/h) |
| 95 mph (152.89 km/h) | 91.41 mph (147.11 km/h) |
| 100 mph (160.93 km/h) | 96.22 mph (154.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2016 | 2341 | 2522 | 2633 | 2753 | 2839 | 2933 | 3045 | 3199 | 3353 | 3525 | 3662 | 3911 | 4185 | 4400 | 4537 | 4614 | 4897 | 5292 | 6149 |
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