Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-15 | 215/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 26.31 (668.3) | 1.57 (39.8) 6.3% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 77.74 (1974.49) | 82.66 (2099.53) | 4.92 (125.04) 6.3% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 4.66 (118.25) | -0.22 (-5.5) -4.4% |
| Revolutions per mile (km) | 815.07 (506.46) | 766.53 (476.3) | -48.54 (-30.16) -6% |
215/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.27 mph (34.23 km/h) |
| 25 mph (40.23 km/h) | 26.58 mph (42.78 km/h) |
| 30 mph (48.28 km/h) | 31.9 mph (51.34 km/h) |
| 35 mph (56.33 km/h) | 37.22 mph (59.89 km/h) |
| 40 mph (64.37 km/h) | 42.53 mph (68.45 km/h) |
| 45 mph (72.42 km/h) | 47.85 mph (77.01 km/h) |
| 50 mph (80.47 km/h) | 53.17 mph (85.56 km/h) |
| 55 mph (88.51 km/h) | 58.48 mph (94.12 km/h) |
| 60 mph (96.56 km/h) | 63.8 mph (102.68 km/h) |
| 65 mph (104.61 km/h) | 69.12 mph (111.23 km/h) |
| 70 mph (112.65 km/h) | 74.43 mph (119.79 km/h) |
| 75 mph (120.7 km/h) | 79.75 mph (128.34 km/h) |
| 80 mph (128.75 km/h) | 85.07 mph (136.9 km/h) |
| 85 mph (136.79 km/h) | 90.38 mph (145.46 km/h) |
| 90 mph (144.84 km/h) | 95.7 mph (154.01 km/h) |
| 95 mph (152.89 km/h) | 101.02 mph (162.57 km/h) |
| 100 mph (160.93 km/h) | 106.33 mph (171.13 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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