Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 215/40-17 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.77 (603.8) | 24.97 (634.3) | 1.2 (30.5) 5.1% |
| Width inches (mm) | 8.46 (215) | 8.86 (225) | 0.39 (10) 4.7% |
| Circum. inches (mm) | 74.68 (1896.89) | 78.45 (1992.71) | 3.77 (95.82) 5.1% |
| Sidewall Height inches (mm) | 3.39 (86) | 3.99 (101.25) | 0.6 (15.25) 17.7% |
| Revolutions per mile (km) | 848.41 (527.18) | 807.61 (501.83) | -40.8 (-25.35) -4.8% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.01 mph (33.81 km/h) |
| 25 mph (40.23 km/h) | 26.26 mph (42.27 km/h) |
| 30 mph (48.28 km/h) | 31.52 mph (50.72 km/h) |
| 35 mph (56.33 km/h) | 36.77 mph (59.17 km/h) |
| 40 mph (64.37 km/h) | 42.02 mph (67.63 km/h) |
| 45 mph (72.42 km/h) | 47.27 mph (76.08 km/h) |
| 50 mph (80.47 km/h) | 52.53 mph (84.53 km/h) |
| 55 mph (88.51 km/h) | 57.78 mph (92.99 km/h) |
| 60 mph (96.56 km/h) | 63.03 mph (101.44 km/h) |
| 65 mph (104.61 km/h) | 68.28 mph (109.89 km/h) |
| 70 mph (112.65 km/h) | 73.54 mph (118.34 km/h) |
| 75 mph (120.7 km/h) | 78.79 mph (126.8 km/h) |
| 80 mph (128.75 km/h) | 84.04 mph (135.25 km/h) |
| 85 mph (136.79 km/h) | 89.29 mph (143.7 km/h) |
| 90 mph (144.84 km/h) | 94.55 mph (152.16 km/h) |
| 95 mph (152.89 km/h) | 99.8 mph (160.61 km/h) |
| 100 mph (160.93 km/h) | 105.05 mph (169.06 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2055 | 2388 | 2571 | 2685 | 2807 | 2895 | 2991 | 3105 | 3262 | 3420 | 3594 | 3734 | 3988 | 4268 | 4487 | 4626 | 4705 | 4994 | 5396 | 6271 |
Better Fuel Economy Factory Ratios Increased Power
