Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-17 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.14 (587.8) | 24.97 (634.3) | 1.83 (46.5) 7.9% |
| Width inches (mm) | 7.68 (195) | 8.86 (225) | 1.18 (30) 15.4% |
| Circum. inches (mm) | 72.7 (1846.63) | 78.45 (1992.71) | 5.75 (146.08) 7.9% |
| Sidewall Height inches (mm) | 3.07 (78) | 3.99 (101.25) | 0.92 (23.25) 29.8% |
| Revolutions per mile (km) | 871.5 (541.53) | 807.61 (501.83) | -63.89 (-39.7) -7.3% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.58 mph (34.73 km/h) |
| 25 mph (40.23 km/h) | 26.98 mph (43.42 km/h) |
| 30 mph (48.28 km/h) | 32.37 mph (52.1 km/h) |
| 35 mph (56.33 km/h) | 37.77 mph (60.78 km/h) |
| 40 mph (64.37 km/h) | 43.16 mph (69.47 km/h) |
| 45 mph (72.42 km/h) | 48.56 mph (78.15 km/h) |
| 50 mph (80.47 km/h) | 53.96 mph (86.83 km/h) |
| 55 mph (88.51 km/h) | 59.35 mph (95.52 km/h) |
| 60 mph (96.56 km/h) | 64.75 mph (104.2 km/h) |
| 65 mph (104.61 km/h) | 70.14 mph (112.88 km/h) |
| 70 mph (112.65 km/h) | 75.54 mph (121.57 km/h) |
| 75 mph (120.7 km/h) | 80.93 mph (130.25 km/h) |
| 80 mph (128.75 km/h) | 86.33 mph (138.93 km/h) |
| 85 mph (136.79 km/h) | 91.72 mph (147.62 km/h) |
| 90 mph (144.84 km/h) | 97.12 mph (156.3 km/h) |
| 95 mph (152.89 km/h) | 102.52 mph (164.98 km/h) |
| 100 mph (160.93 km/h) | 107.91 mph (173.67 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
