Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/70-13 | 215/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.65 (575.2) | 24.62 (625.3) | 1.97 (50.1) 8.7% |
| Width inches (mm) | 6.89 (175) | 8.46 (215) | 1.57 (40) 22.9% |
| Circum. inches (mm) | 71.14 (1807.04) | 77.34 (1964.44) | 6.2 (157.39) 8.7% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 3.81 (96.75) | -1.01 (-25.75) -21% |
| Revolutions per mile (km) | 890.59 (553.39) | 819.24 (509.05) | -71.36 (-44.34) -8% |
215/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.74 mph (34.99 km/h) |
| 25 mph (40.23 km/h) | 27.18 mph (43.74 km/h) |
| 30 mph (48.28 km/h) | 32.61 mph (52.49 km/h) |
| 35 mph (56.33 km/h) | 38.05 mph (61.23 km/h) |
| 40 mph (64.37 km/h) | 43.48 mph (69.98 km/h) |
| 45 mph (72.42 km/h) | 48.92 mph (78.73 km/h) |
| 50 mph (80.47 km/h) | 54.36 mph (87.48 km/h) |
| 55 mph (88.51 km/h) | 59.79 mph (96.22 km/h) |
| 60 mph (96.56 km/h) | 65.23 mph (104.97 km/h) |
| 65 mph (104.61 km/h) | 70.66 mph (113.72 km/h) |
| 70 mph (112.65 km/h) | 76.1 mph (122.47 km/h) |
| 75 mph (120.7 km/h) | 81.53 mph (131.21 km/h) |
| 80 mph (128.75 km/h) | 86.97 mph (139.96 km/h) |
| 85 mph (136.79 km/h) | 92.4 mph (148.71 km/h) |
| 90 mph (144.84 km/h) | 97.84 mph (157.46 km/h) |
| 95 mph (152.89 km/h) | 103.27 mph (166.2 km/h) |
| 100 mph (160.93 km/h) | 108.71 mph (174.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2085 | 2422 | 2608 | 2724 | 2848 | 2936 | 3034 | 3149 | 3309 | 3469 | 3646 | 3788 | 4045 | 4329 | 4551 | 4693 | 4773 | 5066 | 5474 | 6361 |
Better Fuel Economy Factory Ratios Increased Power
