Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-15 | 215/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.77 (553) | 23.77 (603.8) | 2 (50.8) 9.2% |
| Width inches (mm) | 8.46 (215) | 8.46 (215) | 0 (0) 0% |
| Circum. inches (mm) | 68.4 (1737.3) | 74.68 (1896.89) | 6.28 (159.59) 9.2% |
| Sidewall Height inches (mm) | 3.39 (86) | 3.39 (86) | 0 (0) 0% |
| Revolutions per mile (km) | 926.35 (575.6) | 848.41 (527.18) | -77.94 (-48.43) -8.4% |
215/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.84 mph (35.14 km/h) |
| 25 mph (40.23 km/h) | 27.3 mph (43.93 km/h) |
| 30 mph (48.28 km/h) | 32.76 mph (52.72 km/h) |
| 35 mph (56.33 km/h) | 38.22 mph (61.5 km/h) |
| 40 mph (64.37 km/h) | 43.67 mph (70.29 km/h) |
| 45 mph (72.42 km/h) | 49.13 mph (79.07 km/h) |
| 50 mph (80.47 km/h) | 54.59 mph (87.86 km/h) |
| 55 mph (88.51 km/h) | 60.05 mph (96.65 km/h) |
| 60 mph (96.56 km/h) | 65.51 mph (105.43 km/h) |
| 65 mph (104.61 km/h) | 70.97 mph (114.22 km/h) |
| 70 mph (112.65 km/h) | 76.43 mph (123 km/h) |
| 75 mph (120.7 km/h) | 81.89 mph (131.79 km/h) |
| 80 mph (128.75 km/h) | 87.35 mph (140.57 km/h) |
| 85 mph (136.79 km/h) | 92.81 mph (149.36 km/h) |
| 90 mph (144.84 km/h) | 98.27 mph (158.15 km/h) |
| 95 mph (152.89 km/h) | 103.73 mph (166.93 km/h) |
| 100 mph (160.93 km/h) | 109.19 mph (175.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2159 | 2508 | 2701 | 2821 | 2949 | 3041 | 3142 | 3262 | 3427 | 3592 | 3776 | 3923 | 4189 | 4483 | 4713 | 4860 | 4943 | 5246 | 5669 | 6587 |
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