Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/45-22 | 275/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.1 (815.3) | 32.99 (838) | 0.89 (22.7) 2.8% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 100.84 (2561.34) | 103.65 (2632.65) | 2.81 (71.31) 2.8% |
| Sidewall Height inches (mm) | 5.05 (128.25) | 6.5 (165) | 1.45 (36.75) 28.7% |
| Revolutions per mile (km) | 628.32 (390.42) | 611.3 (379.84) | -17.02 (-10.58) -2.7% |
275/60-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.56 mph (33.08 km/h) |
| 25 mph (40.23 km/h) | 25.7 mph (41.35 km/h) |
| 30 mph (48.28 km/h) | 30.84 mph (49.62 km/h) |
| 35 mph (56.33 km/h) | 35.97 mph (57.9 km/h) |
| 40 mph (64.37 km/h) | 41.11 mph (66.17 km/h) |
| 45 mph (72.42 km/h) | 46.25 mph (74.44 km/h) |
| 50 mph (80.47 km/h) | 51.39 mph (82.71 km/h) |
| 55 mph (88.51 km/h) | 56.53 mph (90.98 km/h) |
| 60 mph (96.56 km/h) | 61.67 mph (99.25 km/h) |
| 65 mph (104.61 km/h) | 66.81 mph (107.52 km/h) |
| 70 mph (112.65 km/h) | 71.95 mph (115.79 km/h) |
| 75 mph (120.7 km/h) | 77.09 mph (124.06 km/h) |
| 80 mph (128.75 km/h) | 82.23 mph (132.33 km/h) |
| 85 mph (136.79 km/h) | 87.37 mph (140.6 km/h) |
| 90 mph (144.84 km/h) | 92.51 mph (148.87 km/h) |
| 95 mph (152.89 km/h) | 97.65 mph (157.14 km/h) |
| 100 mph (160.93 km/h) | 102.78 mph (165.42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1556 | 1807 | 1946 | 2032 | 2125 | 2191 | 2264 | 2350 | 2469 | 2588 | 2721 | 2827 | 3019 | 3230 | 3396 | 3502 | 3561 | 3780 | 4084 | 4746 |
Better Fuel Economy Factory Ratios Increased Power
