Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/80-22.5 | 385/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.67 (931.5) | 46.75 (1187.5) | 10.08 (256) 27.5% |
| Width inches (mm) | 8.86 (225) | 15.16 (385) | 6.3 (160) 71.1% |
| Circum. inches (mm) | 115.21 (2926.39) | 146.88 (3730.64) | 31.66 (804.25) 27.5% |
| Sidewall Height inches (mm) | 7.09 (180) | 12.13 (308) | 5.04 (128) 71.1% |
| Revolutions per mile (km) | 549.94 (341.72) | 431.39 (268.05) | -118.56 (-73.67) -21.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.5 mph (41.03 km/h) |
| 25 mph (40.23 km/h) | 31.87 mph (51.29 km/h) |
| 30 mph (48.28 km/h) | 38.24 mph (61.55 km/h) |
| 35 mph (56.33 km/h) | 44.62 mph (71.81 km/h) |
| 40 mph (64.37 km/h) | 50.99 mph (82.07 km/h) |
| 45 mph (72.42 km/h) | 57.37 mph (92.32 km/h) |
| 50 mph (80.47 km/h) | 63.74 mph (102.58 km/h) |
| 55 mph (88.51 km/h) | 70.12 mph (112.84 km/h) |
| 60 mph (96.56 km/h) | 76.49 mph (123.1 km/h) |
| 65 mph (104.61 km/h) | 82.86 mph (133.36 km/h) |
| 70 mph (112.65 km/h) | 89.24 mph (143.61 km/h) |
| 75 mph (120.7 km/h) | 95.61 mph (153.87 km/h) |
| 80 mph (128.75 km/h) | 101.99 mph (164.13 km/h) |
| 85 mph (136.79 km/h) | 108.36 mph (174.39 km/h) |
| 90 mph (144.84 km/h) | 114.73 mph (184.65 km/h) |
| 95 mph (152.89 km/h) | 121.11 mph (194.91 km/h) |
| 100 mph (160.93 km/h) | 127.48 mph (205.16 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
