Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/80-22.5 | 285/75-24.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 39.82 (1011.5) | 41.33 (1049.8) | 1.51 (38.3) 3.8% |
| Width inches (mm) | 10.83 (275) | 11.22 (285) | 0.39 (10) 3.6% |
| Circum. inches (mm) | 125.11 (3177.72) | 129.84 (3298.04) | 4.74 (120.32) 3.8% |
| Sidewall Height inches (mm) | 8.66 (220) | 8.42 (213.75) | -0.25 (-6.25) -2.8% |
| Revolutions per mile (km) | 506.45 (314.69) | 487.97 (303.21) | -18.48 (-11.48) -3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.41 km/h) |
| 25 mph (40.23 km/h) | 25.95 mph (41.76 km/h) |
| 30 mph (48.28 km/h) | 31.14 mph (50.11 km/h) |
| 35 mph (56.33 km/h) | 36.33 mph (58.46 km/h) |
| 40 mph (64.37 km/h) | 41.51 mph (66.81 km/h) |
| 45 mph (72.42 km/h) | 46.7 mph (75.16 km/h) |
| 50 mph (80.47 km/h) | 51.89 mph (83.51 km/h) |
| 55 mph (88.51 km/h) | 57.08 mph (91.87 km/h) |
| 60 mph (96.56 km/h) | 62.27 mph (100.22 km/h) |
| 65 mph (104.61 km/h) | 67.46 mph (108.57 km/h) |
| 70 mph (112.65 km/h) | 72.65 mph (116.92 km/h) |
| 75 mph (120.7 km/h) | 77.84 mph (125.27 km/h) |
| 80 mph (128.75 km/h) | 83.03 mph (133.62 km/h) |
| 85 mph (136.79 km/h) | 88.22 mph (141.97 km/h) |
| 90 mph (144.84 km/h) | 93.41 mph (150.33 km/h) |
| 95 mph (152.89 km/h) | 98.6 mph (158.68 km/h) |
| 100 mph (160.93 km/h) | 103.79 mph (167.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1242 | 1443 | 1554 | 1622 | 1696 | 1749 | 1807 | 1876 | 1971 | 2066 | 2172 | 2256 | 2410 | 2579 | 2711 | 2795 | 2843 | 3017 | 3260 | 3789 |
Better Fuel Economy Factory Ratios Increased Power
