Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-17 | 215/55-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.13 (663.8) | 26.31 (668.3) | 0.18 (4.5) 0.7% |
| Width inches (mm) | 5.71 (145) | 8.46 (215) | 2.76 (70) 48.3% |
| Circum. inches (mm) | 82.1 (2085.39) | 82.66 (2099.53) | 0.56 (14.14) 0.7% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.66 (118.25) | 0.09 (2.25) 1.9% |
| Revolutions per mile (km) | 771.72 (479.53) | 766.53 (476.3) | -5.2 (-3.23) -0.7% |
215/55-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.14 mph (32.41 km/h) |
| 25 mph (40.23 km/h) | 25.17 mph (40.51 km/h) |
| 30 mph (48.28 km/h) | 30.2 mph (48.61 km/h) |
| 35 mph (56.33 km/h) | 35.24 mph (56.71 km/h) |
| 40 mph (64.37 km/h) | 40.27 mph (64.81 km/h) |
| 45 mph (72.42 km/h) | 45.31 mph (72.91 km/h) |
| 50 mph (80.47 km/h) | 50.34 mph (81.01 km/h) |
| 55 mph (88.51 km/h) | 55.37 mph (89.11 km/h) |
| 60 mph (96.56 km/h) | 60.41 mph (97.22 km/h) |
| 65 mph (104.61 km/h) | 65.44 mph (105.32 km/h) |
| 70 mph (112.65 km/h) | 70.47 mph (113.42 km/h) |
| 75 mph (120.7 km/h) | 75.51 mph (121.52 km/h) |
| 80 mph (128.75 km/h) | 80.54 mph (129.62 km/h) |
| 85 mph (136.79 km/h) | 85.58 mph (137.72 km/h) |
| 90 mph (144.84 km/h) | 90.61 mph (145.82 km/h) |
| 95 mph (152.89 km/h) | 95.64 mph (153.92 km/h) |
| 100 mph (160.93 km/h) | 100.68 mph (162.03 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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