Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/50-14 | 225/90-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.86 (580.6) | 29.94 (760.6) | 7.09 (180) 31% |
| Width inches (mm) | 8.86 (225) | 8.86 (225) | 0 (0) 0% |
| Circum. inches (mm) | 71.81 (1824.01) | 94.07 (2389.5) | 22.26 (565.49) 31% |
| Sidewall Height inches (mm) | 4.43 (112.5) | 7.97 (202.5) | 3.54 (90) 80% |
| Revolutions per mile (km) | 882.31 (548.24) | 673.51 (418.5) | -208.8 (-129.74) -23.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.2 mph (42.17 km/h) |
| 25 mph (40.23 km/h) | 32.75 mph (52.71 km/h) |
| 30 mph (48.28 km/h) | 39.3 mph (63.25 km/h) |
| 35 mph (56.33 km/h) | 45.85 mph (73.79 km/h) |
| 40 mph (64.37 km/h) | 52.4 mph (84.33 km/h) |
| 45 mph (72.42 km/h) | 58.95 mph (94.87 km/h) |
| 50 mph (80.47 km/h) | 65.5 mph (105.41 km/h) |
| 55 mph (88.51 km/h) | 72.05 mph (115.96 km/h) |
| 60 mph (96.56 km/h) | 78.6 mph (126.5 km/h) |
| 65 mph (104.61 km/h) | 85.15 mph (137.04 km/h) |
| 70 mph (112.65 km/h) | 91.7 mph (147.58 km/h) |
| 75 mph (120.7 km/h) | 98.25 mph (158.12 km/h) |
| 80 mph (128.75 km/h) | 104.8 mph (168.66 km/h) |
| 85 mph (136.79 km/h) | 111.35 mph (179.2 km/h) |
| 90 mph (144.84 km/h) | 117.9 mph (189.75 km/h) |
| 95 mph (152.89 km/h) | 124.45 mph (200.29 km/h) |
| 100 mph (160.93 km/h) | 131 mph (210.83 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1714 | 1991 | 2144 | 2239 | 2341 | 2414 | 2494 | 2589 | 2720 | 2852 | 2998 | 3114 | 3326 | 3559 | 3742 | 3858 | 3924 | 4165 | 4500 | 5229 |
Better Fuel Economy Factory Ratios Increased Power
