Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/60-16 | 225/50-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.63 (676.4) | 26.86 (682.2) | 0.23 (5.8) 0.9% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 83.66 (2124.97) | 84.38 (2143.19) | 0.72 (18.22) 0.9% |
| Sidewall Height inches (mm) | 5.31 (135) | 4.43 (112.5) | -0.89 (-22.5) -16.7% |
| Revolutions per mile (km) | 757.35 (470.59) | 750.91 (466.59) | -6.44 (-4) -0.9% |
225/50-18 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.17 mph (32.46 km/h) |
| 25 mph (40.23 km/h) | 25.21 mph (40.58 km/h) |
| 30 mph (48.28 km/h) | 30.26 mph (48.69 km/h) |
| 35 mph (56.33 km/h) | 35.3 mph (56.81 km/h) |
| 40 mph (64.37 km/h) | 40.34 mph (64.93 km/h) |
| 45 mph (72.42 km/h) | 45.39 mph (73.04 km/h) |
| 50 mph (80.47 km/h) | 50.43 mph (81.16 km/h) |
| 55 mph (88.51 km/h) | 55.47 mph (89.27 km/h) |
| 60 mph (96.56 km/h) | 60.51 mph (97.39 km/h) |
| 65 mph (104.61 km/h) | 65.56 mph (105.5 km/h) |
| 70 mph (112.65 km/h) | 70.6 mph (113.62 km/h) |
| 75 mph (120.7 km/h) | 75.64 mph (121.74 km/h) |
| 80 mph (128.75 km/h) | 80.69 mph (129.85 km/h) |
| 85 mph (136.79 km/h) | 85.73 mph (137.97 km/h) |
| 90 mph (144.84 km/h) | 90.77 mph (146.08 km/h) |
| 95 mph (152.89 km/h) | 95.81 mph (154.2 km/h) |
| 100 mph (160.93 km/h) | 100.86 mph (162.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1911 | 2220 | 2391 | 2496 | 2610 | 2692 | 2781 | 2887 | 3033 | 3179 | 3342 | 3472 | 3708 | 3968 | 4171 | 4302 | 4375 | 4643 | 5017 | 5830 |
Better Fuel Economy Factory Ratios Increased Power
