Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/80-22.5 | 285/70-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 38.56 (979.5) | 38.21 (970.5) | -0.35 (-9) -0.9% |
| Width inches (mm) | 10.04 (255) | 11.22 (285) | 1.18 (30) 11.8% |
| Circum. inches (mm) | 121.15 (3077.19) | 120.04 (3048.92) | -1.11 (-28.27) -0.9% |
| Sidewall Height inches (mm) | 8.03 (204) | 7.85 (199.5) | -0.18 (-4.5) -2.2% |
| Revolutions per mile (km) | 522.99 (324.97) | 527.84 (327.98) | 4.85 (3.01) 0.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.82 mph (31.89 km/h) |
| 25 mph (40.23 km/h) | 24.77 mph (39.86 km/h) |
| 30 mph (48.28 km/h) | 29.72 mph (47.84 km/h) |
| 35 mph (56.33 km/h) | 34.68 mph (55.81 km/h) |
| 40 mph (64.37 km/h) | 39.63 mph (63.78 km/h) |
| 45 mph (72.42 km/h) | 44.59 mph (71.76 km/h) |
| 50 mph (80.47 km/h) | 49.54 mph (79.73 km/h) |
| 55 mph (88.51 km/h) | 54.49 mph (87.7 km/h) |
| 60 mph (96.56 km/h) | 59.45 mph (95.67 km/h) |
| 65 mph (104.61 km/h) | 64.4 mph (103.65 km/h) |
| 70 mph (112.65 km/h) | 69.36 mph (111.62 km/h) |
| 75 mph (120.7 km/h) | 74.31 mph (119.59 km/h) |
| 80 mph (128.75 km/h) | 79.26 mph (127.56 km/h) |
| 85 mph (136.79 km/h) | 84.22 mph (135.54 km/h) |
| 90 mph (144.84 km/h) | 89.17 mph (143.51 km/h) |
| 95 mph (152.89 km/h) | 94.13 mph (151.48 km/h) |
| 100 mph (160.93 km/h) | 99.08 mph (159.46 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1343 | 1560 | 1680 | 1755 | 1835 | 1892 | 1955 | 2029 | 2132 | 2235 | 2349 | 2441 | 2606 | 2789 | 2932 | 3024 | 3075 | 3264 | 3527 | 4098 |
Better Fuel Economy Factory Ratios Increased Power
