Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-17 | 215/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 24.62 (625.3) | -1.06 (-27) -4.1% |
| Width inches (mm) | 9.65 (245) | 8.46 (215) | -1.18 (-30) -12.2% |
| Circum. inches (mm) | 80.68 (2049.26) | 77.34 (1964.44) | -3.34 (-84.82) -4.1% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 3.81 (96.75) | -0.53 (-13.5) -12.2% |
| Revolutions per mile (km) | 785.33 (487.98) | 819.24 (509.05) | 33.91 (21.07) 4.3% |
215/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.17 mph (30.85 km/h) |
| 25 mph (40.23 km/h) | 23.97 mph (38.57 km/h) |
| 30 mph (48.28 km/h) | 28.76 mph (46.28 km/h) |
| 35 mph (56.33 km/h) | 33.55 mph (54 km/h) |
| 40 mph (64.37 km/h) | 38.34 mph (61.71 km/h) |
| 45 mph (72.42 km/h) | 43.14 mph (69.42 km/h) |
| 50 mph (80.47 km/h) | 47.93 mph (77.14 km/h) |
| 55 mph (88.51 km/h) | 52.72 mph (84.85 km/h) |
| 60 mph (96.56 km/h) | 57.52 mph (92.56 km/h) |
| 65 mph (104.61 km/h) | 62.31 mph (100.28 km/h) |
| 70 mph (112.65 km/h) | 67.1 mph (107.99 km/h) |
| 75 mph (120.7 km/h) | 71.9 mph (115.7 km/h) |
| 80 mph (128.75 km/h) | 76.69 mph (123.42 km/h) |
| 85 mph (136.79 km/h) | 81.48 mph (131.13 km/h) |
| 90 mph (144.84 km/h) | 86.27 mph (138.85 km/h) |
| 95 mph (152.89 km/h) | 91.07 mph (146.56 km/h) |
| 100 mph (160.93 km/h) | 95.86 mph (154.27 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
