Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/40-18 | 215/50-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.72 (653.2) | 25.46 (646.8) | -0.25 (-6.4) -1% |
| Width inches (mm) | 9.65 (245) | 8.46 (215) | -1.18 (-30) -12.2% |
| Circum. inches (mm) | 80.79 (2052.09) | 80 (2031.98) | -0.79 (-20.11) -1% |
| Sidewall Height inches (mm) | 3.86 (98) | 4.23 (107.5) | 0.37 (9.5) 9.7% |
| Revolutions per mile (km) | 784.25 (487.31) | 792.01 (492.13) | 7.76 (4.82) 1% |
215/50-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.8 mph (31.87 km/h) |
| 25 mph (40.23 km/h) | 24.76 mph (39.84 km/h) |
| 30 mph (48.28 km/h) | 29.71 mph (47.81 km/h) |
| 35 mph (56.33 km/h) | 34.66 mph (55.78 km/h) |
| 40 mph (64.37 km/h) | 39.61 mph (63.74 km/h) |
| 45 mph (72.42 km/h) | 44.56 mph (71.71 km/h) |
| 50 mph (80.47 km/h) | 49.51 mph (79.68 km/h) |
| 55 mph (88.51 km/h) | 54.46 mph (87.65 km/h) |
| 60 mph (96.56 km/h) | 59.41 mph (95.61 km/h) |
| 65 mph (104.61 km/h) | 64.36 mph (103.58 km/h) |
| 70 mph (112.65 km/h) | 69.31 mph (111.55 km/h) |
| 75 mph (120.7 km/h) | 74.27 mph (119.52 km/h) |
| 80 mph (128.75 km/h) | 79.22 mph (127.49 km/h) |
| 85 mph (136.79 km/h) | 84.17 mph (135.45 km/h) |
| 90 mph (144.84 km/h) | 89.12 mph (143.42 km/h) |
| 95 mph (152.89 km/h) | 94.07 mph (151.39 km/h) |
| 100 mph (160.93 km/h) | 99.02 mph (159.36 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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