Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-22.5 | 325/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.67 (931.5) | 42.97 (1091.5) | 6.3 (160) 17.2% |
| Width inches (mm) | 8.86 (225) | 12.8 (325) | 3.94 (100) 44.4% |
| Circum. inches (mm) | 115.21 (2926.39) | 135 (3429.05) | 19.79 (502.65) 17.2% |
| Sidewall Height inches (mm) | 7.09 (180) | 10.24 (260) | 3.15 (80) 44.4% |
| Revolutions per mile (km) | 549.94 (341.72) | 469.33 (291.63) | -80.61 (-50.09) -14.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.44 mph (37.72 km/h) |
| 25 mph (40.23 km/h) | 29.29 mph (47.14 km/h) |
| 30 mph (48.28 km/h) | 35.15 mph (56.57 km/h) |
| 35 mph (56.33 km/h) | 41.01 mph (66 km/h) |
| 40 mph (64.37 km/h) | 46.87 mph (75.43 km/h) |
| 45 mph (72.42 km/h) | 52.73 mph (84.86 km/h) |
| 50 mph (80.47 km/h) | 58.59 mph (94.29 km/h) |
| 55 mph (88.51 km/h) | 64.45 mph (103.72 km/h) |
| 60 mph (96.56 km/h) | 70.31 mph (113.15 km/h) |
| 65 mph (104.61 km/h) | 76.16 mph (122.58 km/h) |
| 70 mph (112.65 km/h) | 82.02 mph (132 km/h) |
| 75 mph (120.7 km/h) | 87.88 mph (141.43 km/h) |
| 80 mph (128.75 km/h) | 93.74 mph (150.86 km/h) |
| 85 mph (136.79 km/h) | 99.6 mph (160.29 km/h) |
| 90 mph (144.84 km/h) | 105.46 mph (169.72 km/h) |
| 95 mph (152.89 km/h) | 111.32 mph (179.15 km/h) |
| 100 mph (160.93 km/h) | 117.18 mph (188.58 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1194 | 1387 | 1494 | 1560 | 1631 | 1682 | 1738 | 1804 | 1896 | 1987 | 2089 | 2170 | 2318 | 2480 | 2607 | 2689 | 2734 | 2902 | 3136 | 3644 |
Better Fuel Economy Factory Ratios Increased Power
