Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-19 | 285/75-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 33.61 (853.6) | 36.83 (935.5) | 3.22 (81.9) 9.6% |
| Width inches (mm) | 10.43 (265) | 11.22 (285) | 0.79 (20) 7.5% |
| Circum. inches (mm) | 105.58 (2681.66) | 115.71 (2938.96) | 10.13 (257.3) 9.6% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 8.42 (213.75) | 1.11 (28.25) 15.2% |
| Revolutions per mile (km) | 600.13 (372.9) | 547.59 (340.26) | -52.54 (-32.65) -8.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.92 mph (35.28 km/h) |
| 25 mph (40.23 km/h) | 27.4 mph (44.09 km/h) |
| 30 mph (48.28 km/h) | 32.88 mph (52.91 km/h) |
| 35 mph (56.33 km/h) | 38.36 mph (61.73 km/h) |
| 40 mph (64.37 km/h) | 43.84 mph (70.55 km/h) |
| 45 mph (72.42 km/h) | 49.32 mph (79.37 km/h) |
| 50 mph (80.47 km/h) | 54.8 mph (88.19 km/h) |
| 55 mph (88.51 km/h) | 60.28 mph (97.01 km/h) |
| 60 mph (96.56 km/h) | 65.76 mph (105.83 km/h) |
| 65 mph (104.61 km/h) | 71.24 mph (114.64 km/h) |
| 70 mph (112.65 km/h) | 76.72 mph (123.46 km/h) |
| 75 mph (120.7 km/h) | 82.2 mph (132.28 km/h) |
| 80 mph (128.75 km/h) | 87.68 mph (141.1 km/h) |
| 85 mph (136.79 km/h) | 93.16 mph (149.92 km/h) |
| 90 mph (144.84 km/h) | 98.64 mph (158.74 km/h) |
| 95 mph (152.89 km/h) | 104.11 mph (167.56 km/h) |
| 100 mph (160.93 km/h) | 109.59 mph (176.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1394 | 1619 | 1743 | 1820 | 1903 | 1963 | 2028 | 2105 | 2212 | 2319 | 2437 | 2532 | 2704 | 2894 | 3042 | 3137 | 3190 | 3386 | 3659 | 4252 |
Better Fuel Economy Factory Ratios Increased Power
