Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-22.5 | 245/75-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 38.56 (979.5) | 36.97 (939) | -1.59 (-40.5) -4.1% |
| Width inches (mm) | 10.04 (255) | 9.65 (245) | -0.39 (-10) -3.9% |
| Circum. inches (mm) | 121.15 (3077.19) | 116.14 (2949.96) | -5.01 (-127.23) -4.1% |
| Sidewall Height inches (mm) | 8.03 (204) | 7.23 (183.75) | -0.8 (-20.25) -9.9% |
| Revolutions per mile (km) | 522.99 (324.97) | 545.55 (338.99) | 22.56 (14.02) 4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.17 mph (30.86 km/h) |
| 25 mph (40.23 km/h) | 23.97 mph (38.57 km/h) |
| 30 mph (48.28 km/h) | 28.76 mph (46.28 km/h) |
| 35 mph (56.33 km/h) | 33.55 mph (54 km/h) |
| 40 mph (64.37 km/h) | 38.35 mph (61.71 km/h) |
| 45 mph (72.42 km/h) | 43.14 mph (69.43 km/h) |
| 50 mph (80.47 km/h) | 47.93 mph (77.14 km/h) |
| 55 mph (88.51 km/h) | 52.73 mph (84.85 km/h) |
| 60 mph (96.56 km/h) | 57.52 mph (92.57 km/h) |
| 65 mph (104.61 km/h) | 62.31 mph (100.28 km/h) |
| 70 mph (112.65 km/h) | 67.11 mph (108 km/h) |
| 75 mph (120.7 km/h) | 71.9 mph (115.71 km/h) |
| 80 mph (128.75 km/h) | 76.69 mph (123.42 km/h) |
| 85 mph (136.79 km/h) | 81.49 mph (131.14 km/h) |
| 90 mph (144.84 km/h) | 86.28 mph (138.85 km/h) |
| 95 mph (152.89 km/h) | 91.07 mph (146.57 km/h) |
| 100 mph (160.93 km/h) | 95.87 mph (154.28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1388 | 1613 | 1737 | 1814 | 1896 | 1955 | 2020 | 2097 | 2204 | 2310 | 2428 | 2523 | 2694 | 2883 | 3031 | 3125 | 3178 | 3373 | 3645 | 4236 |
Better Fuel Economy Factory Ratios Increased Power
