Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/70-13 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.44 (519.2) | 24.97 (634.3) | 4.53 (115.1) 22.2% |
| Width inches (mm) | 5.31 (135) | 8.86 (225) | 3.54 (90) 66.7% |
| Circum. inches (mm) | 64.22 (1631.11) | 78.45 (1992.71) | 14.24 (361.6) 22.2% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 3.99 (101.25) | 0.27 (6.75) 7.1% |
| Revolutions per mile (km) | 986.65 (613.08) | 807.61 (501.83) | -179.04 (-111.25) -18.1% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.43 mph (39.32 km/h) |
| 25 mph (40.23 km/h) | 30.54 mph (49.15 km/h) |
| 30 mph (48.28 km/h) | 36.65 mph (58.98 km/h) |
| 35 mph (56.33 km/h) | 42.76 mph (68.81 km/h) |
| 40 mph (64.37 km/h) | 48.87 mph (78.64 km/h) |
| 45 mph (72.42 km/h) | 54.98 mph (88.48 km/h) |
| 50 mph (80.47 km/h) | 61.08 mph (98.31 km/h) |
| 55 mph (88.51 km/h) | 67.19 mph (108.14 km/h) |
| 60 mph (96.56 km/h) | 73.3 mph (117.97 km/h) |
| 65 mph (104.61 km/h) | 79.41 mph (127.8 km/h) |
| 70 mph (112.65 km/h) | 85.52 mph (137.63 km/h) |
| 75 mph (120.7 km/h) | 91.63 mph (147.46 km/h) |
| 80 mph (128.75 km/h) | 97.73 mph (157.29 km/h) |
| 85 mph (136.79 km/h) | 103.84 mph (167.12 km/h) |
| 90 mph (144.84 km/h) | 109.95 mph (176.95 km/h) |
| 95 mph (152.89 km/h) | 116.06 mph (186.78 km/h) |
| 100 mph (160.93 km/h) | 122.17 mph (196.61 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
