Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 385/65-22.5 | 275/80-22.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.2 (1072) | 39.82 (1011.5) | -2.38 (-60.5) -5.6% |
| Width inches (mm) | 15.16 (385) | 10.83 (275) | -4.33 (-110) -28.6% |
| Circum. inches (mm) | 132.59 (3367.79) | 125.11 (3177.72) | -7.48 (-190.07) -5.6% |
| Sidewall Height inches (mm) | 9.85 (250.25) | 8.66 (220) | -1.19 (-30.25) -12.1% |
| Revolutions per mile (km) | 477.86 (296.93) | 506.45 (314.69) | 28.58 (17.76) 6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.87 mph (30.37 km/h) |
| 25 mph (40.23 km/h) | 23.59 mph (37.96 km/h) |
| 30 mph (48.28 km/h) | 28.31 mph (45.56 km/h) |
| 35 mph (56.33 km/h) | 33.02 mph (53.15 km/h) |
| 40 mph (64.37 km/h) | 37.74 mph (60.74 km/h) |
| 45 mph (72.42 km/h) | 42.46 mph (68.33 km/h) |
| 50 mph (80.47 km/h) | 47.18 mph (75.93 km/h) |
| 55 mph (88.51 km/h) | 51.9 mph (83.52 km/h) |
| 60 mph (96.56 km/h) | 56.61 mph (91.11 km/h) |
| 65 mph (104.61 km/h) | 61.33 mph (98.7 km/h) |
| 70 mph (112.65 km/h) | 66.05 mph (106.3 km/h) |
| 75 mph (120.7 km/h) | 70.77 mph (113.89 km/h) |
| 80 mph (128.75 km/h) | 75.49 mph (121.48 km/h) |
| 85 mph (136.79 km/h) | 80.2 mph (129.07 km/h) |
| 90 mph (144.84 km/h) | 84.92 mph (136.67 km/h) |
| 95 mph (152.89 km/h) | 89.64 mph (144.26 km/h) |
| 100 mph (160.93 km/h) | 94.36 mph (151.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1289 | 1497 | 1612 | 1684 | 1760 | 1815 | 1876 | 1947 | 2046 | 2144 | 2254 | 2342 | 2501 | 2676 | 2813 | 2901 | 2951 | 3132 | 3384 | 3932 |
Better Fuel Economy Factory Ratios Increased Power
