Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 200/50-18 | 225/20-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.87 (657.2) | 21.54 (547.2) | -4.33 (-110) -16.7% |
| Width inches (mm) | 7.87 (200) | 8.86 (225) | 0.98 (25) 12.5% |
| Circum. inches (mm) | 81.29 (2064.65) | 67.68 (1719.08) | -13.61 (-345.58) -16.7% |
| Sidewall Height inches (mm) | 3.94 (100) | 1.77 (45) | -2.17 (-55) -55% |
| Revolutions per mile (km) | 779.47 (484.34) | 936.17 (581.71) | 156.69 (97.36) 20.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.65 mph (26.8 km/h) |
| 25 mph (40.23 km/h) | 20.82 mph (33.5 km/h) |
| 30 mph (48.28 km/h) | 24.98 mph (40.2 km/h) |
| 35 mph (56.33 km/h) | 29.14 mph (46.9 km/h) |
| 40 mph (64.37 km/h) | 33.3 mph (53.6 km/h) |
| 45 mph (72.42 km/h) | 37.47 mph (60.3 km/h) |
| 50 mph (80.47 km/h) | 41.63 mph (67 km/h) |
| 55 mph (88.51 km/h) | 45.79 mph (73.7 km/h) |
| 60 mph (96.56 km/h) | 49.96 mph (80.4 km/h) |
| 65 mph (104.61 km/h) | 54.12 mph (87.1 km/h) |
| 70 mph (112.65 km/h) | 58.28 mph (93.8 km/h) |
| 75 mph (120.7 km/h) | 62.45 mph (100.5 km/h) |
| 80 mph (128.75 km/h) | 66.61 mph (107.2 km/h) |
| 85 mph (136.79 km/h) | 70.77 mph (113.9 km/h) |
| 90 mph (144.84 km/h) | 74.94 mph (120.6 km/h) |
| 95 mph (152.89 km/h) | 79.1 mph (127.3 km/h) |
| 100 mph (160.93 km/h) | 83.26 mph (134 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
