Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/70-17 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.75 (704.8) | 24.97 (634.3) | -2.78 (-70.5) -10% |
| Width inches (mm) | 7.68 (195) | 8.86 (225) | 1.18 (30) 15.4% |
| Circum. inches (mm) | 87.17 (2214.19) | 78.45 (1992.71) | -8.72 (-221.48) -10% |
| Sidewall Height inches (mm) | 5.37 (136.5) | 3.99 (101.25) | -1.39 (-35.25) -25.8% |
| Revolutions per mile (km) | 726.83 (451.63) | 807.61 (501.83) | 80.78 (50.2) 11.1% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18 mph (28.97 km/h) |
| 25 mph (40.23 km/h) | 22.5 mph (36.21 km/h) |
| 30 mph (48.28 km/h) | 27 mph (43.45 km/h) |
| 35 mph (56.33 km/h) | 31.5 mph (50.69 km/h) |
| 40 mph (64.37 km/h) | 36 mph (57.93 km/h) |
| 45 mph (72.42 km/h) | 40.5 mph (65.18 km/h) |
| 50 mph (80.47 km/h) | 45 mph (72.42 km/h) |
| 55 mph (88.51 km/h) | 49.5 mph (79.66 km/h) |
| 60 mph (96.56 km/h) | 54 mph (86.9 km/h) |
| 65 mph (104.61 km/h) | 58.5 mph (94.14 km/h) |
| 70 mph (112.65 km/h) | 63 mph (101.39 km/h) |
| 75 mph (120.7 km/h) | 67.5 mph (108.63 km/h) |
| 80 mph (128.75 km/h) | 72 mph (115.87 km/h) |
| 85 mph (136.79 km/h) | 76.5 mph (123.11 km/h) |
| 90 mph (144.84 km/h) | 81 mph (130.35 km/h) |
| 95 mph (152.89 km/h) | 85.5 mph (137.59 km/h) |
| 100 mph (160.93 km/h) | 90 mph (144.84 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
