Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/80-22.5 | 255/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.3 (947.5) | 38.56 (979.5) | 1.26 (32) 3.4% |
| Width inches (mm) | 9.25 (235) | 10.04 (255) | 0.79 (20) 8.5% |
| Circum. inches (mm) | 117.19 (2976.66) | 121.15 (3077.19) | 3.96 (100.53) 3.4% |
| Sidewall Height inches (mm) | 7.4 (188) | 8.03 (204) | 0.63 (16) 8.5% |
| Revolutions per mile (km) | 540.65 (335.95) | 522.99 (324.97) | -17.66 (-10.98) -3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.68 mph (33.27 km/h) |
| 25 mph (40.23 km/h) | 25.84 mph (41.59 km/h) |
| 30 mph (48.28 km/h) | 31.01 mph (49.91 km/h) |
| 35 mph (56.33 km/h) | 36.18 mph (58.23 km/h) |
| 40 mph (64.37 km/h) | 41.35 mph (66.55 km/h) |
| 45 mph (72.42 km/h) | 46.52 mph (74.87 km/h) |
| 50 mph (80.47 km/h) | 51.69 mph (83.18 km/h) |
| 55 mph (88.51 km/h) | 56.86 mph (91.5 km/h) |
| 60 mph (96.56 km/h) | 62.03 mph (99.82 km/h) |
| 65 mph (104.61 km/h) | 67.2 mph (108.14 km/h) |
| 70 mph (112.65 km/h) | 72.36 mph (116.46 km/h) |
| 75 mph (120.7 km/h) | 77.53 mph (124.78 km/h) |
| 80 mph (128.75 km/h) | 82.7 mph (133.1 km/h) |
| 85 mph (136.79 km/h) | 87.87 mph (141.41 km/h) |
| 90 mph (144.84 km/h) | 93.04 mph (149.73 km/h) |
| 95 mph (152.89 km/h) | 98.21 mph (158.05 km/h) |
| 100 mph (160.93 km/h) | 103.38 mph (166.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1331 | 1546 | 1665 | 1739 | 1818 | 1875 | 1937 | 2011 | 2112 | 2214 | 2328 | 2418 | 2583 | 2764 | 2905 | 2996 | 3047 | 3234 | 3494 | 4061 |
Better Fuel Economy Factory Ratios Increased Power
