Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-10 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.13 (486) | 24.97 (634.3) | 5.84 (148.3) 30.5% |
| Width inches (mm) | 5.71 (145) | 8.86 (225) | 3.15 (80) 55.2% |
| Circum. inches (mm) | 60.11 (1526.81) | 78.45 (1992.71) | 18.34 (465.9) 30.5% |
| Sidewall Height inches (mm) | 4.57 (116) | 3.99 (101.25) | -0.58 (-14.75) -12.7% |
| Revolutions per mile (km) | 1054.05 (654.96) | 807.61 (501.83) | -246.44 (-153.13) -23.4% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.1 mph (42.01 km/h) |
| 25 mph (40.23 km/h) | 32.63 mph (52.51 km/h) |
| 30 mph (48.28 km/h) | 39.15 mph (63.01 km/h) |
| 35 mph (56.33 km/h) | 45.68 mph (73.52 km/h) |
| 40 mph (64.37 km/h) | 52.21 mph (84.02 km/h) |
| 45 mph (72.42 km/h) | 58.73 mph (94.52 km/h) |
| 50 mph (80.47 km/h) | 65.26 mph (105.02 km/h) |
| 55 mph (88.51 km/h) | 71.78 mph (115.52 km/h) |
| 60 mph (96.56 km/h) | 78.31 mph (126.03 km/h) |
| 65 mph (104.61 km/h) | 84.83 mph (136.53 km/h) |
| 70 mph (112.65 km/h) | 91.36 mph (147.03 km/h) |
| 75 mph (120.7 km/h) | 97.89 mph (157.53 km/h) |
| 80 mph (128.75 km/h) | 104.41 mph (168.03 km/h) |
| 85 mph (136.79 km/h) | 110.94 mph (178.54 km/h) |
| 90 mph (144.84 km/h) | 117.46 mph (189.04 km/h) |
| 95 mph (152.89 km/h) | 123.99 mph (199.54 km/h) |
| 100 mph (160.93 km/h) | 130.51 mph (210.04 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
