Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/45-15 | 215/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.97 (583.5) | 24.62 (625.3) | 1.65 (41.8) 7.2% |
| Width inches (mm) | 8.86 (225) | 8.46 (215) | -0.39 (-10) -4.4% |
| Circum. inches (mm) | 72.17 (1833.12) | 77.34 (1964.44) | 5.17 (131.32) 7.2% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 3.81 (96.75) | -0.18 (-4.5) -4.4% |
| Revolutions per mile (km) | 877.93 (545.52) | 819.24 (509.05) | -58.69 (-36.47) -6.7% |
215/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.43 mph (34.49 km/h) |
| 25 mph (40.23 km/h) | 26.79 mph (43.12 km/h) |
| 30 mph (48.28 km/h) | 32.15 mph (51.74 km/h) |
| 35 mph (56.33 km/h) | 37.51 mph (60.36 km/h) |
| 40 mph (64.37 km/h) | 42.87 mph (68.99 km/h) |
| 45 mph (72.42 km/h) | 48.22 mph (77.61 km/h) |
| 50 mph (80.47 km/h) | 53.58 mph (86.23 km/h) |
| 55 mph (88.51 km/h) | 58.94 mph (94.85 km/h) |
| 60 mph (96.56 km/h) | 64.3 mph (103.48 km/h) |
| 65 mph (104.61 km/h) | 69.66 mph (112.1 km/h) |
| 70 mph (112.65 km/h) | 75.01 mph (120.72 km/h) |
| 75 mph (120.7 km/h) | 80.37 mph (129.35 km/h) |
| 80 mph (128.75 km/h) | 85.73 mph (137.97 km/h) |
| 85 mph (136.79 km/h) | 91.09 mph (146.59 km/h) |
| 90 mph (144.84 km/h) | 96.45 mph (155.22 km/h) |
| 95 mph (152.89 km/h) | 101.81 mph (163.84 km/h) |
| 100 mph (160.93 km/h) | 107.16 mph (172.46 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
