Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/50-17 | 225/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.25 (666.8) | 24.97 (634.3) | -1.28 (-32.5) -4.9% |
| Width inches (mm) | 9.25 (235) | 8.86 (225) | -0.39 (-10) -4.3% |
| Circum. inches (mm) | 82.47 (2094.81) | 78.45 (1992.71) | -4.02 (-102.1) -4.9% |
| Sidewall Height inches (mm) | 4.63 (117.5) | 3.99 (101.25) | -0.64 (-16.25) -13.8% |
| Revolutions per mile (km) | 768.25 (477.37) | 807.61 (501.83) | 39.36 (24.46) 5.1% |
225/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.03 mph (30.62 km/h) |
| 25 mph (40.23 km/h) | 23.78 mph (38.27 km/h) |
| 30 mph (48.28 km/h) | 28.54 mph (45.93 km/h) |
| 35 mph (56.33 km/h) | 33.29 mph (53.58 km/h) |
| 40 mph (64.37 km/h) | 38.05 mph (61.24 km/h) |
| 45 mph (72.42 km/h) | 42.81 mph (68.89 km/h) |
| 50 mph (80.47 km/h) | 47.56 mph (76.55 km/h) |
| 55 mph (88.51 km/h) | 52.32 mph (84.2 km/h) |
| 60 mph (96.56 km/h) | 57.08 mph (91.85 km/h) |
| 65 mph (104.61 km/h) | 61.83 mph (99.51 km/h) |
| 70 mph (112.65 km/h) | 66.59 mph (107.16 km/h) |
| 75 mph (120.7 km/h) | 71.34 mph (114.82 km/h) |
| 80 mph (128.75 km/h) | 76.1 mph (122.47 km/h) |
| 85 mph (136.79 km/h) | 80.86 mph (130.13 km/h) |
| 90 mph (144.84 km/h) | 85.61 mph (137.78 km/h) |
| 95 mph (152.89 km/h) | 90.37 mph (145.44 km/h) |
| 100 mph (160.93 km/h) | 95.13 mph (153.09 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
