Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 395/85-20 | 335/80-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 46.44 (1179.5) | 41.1 (1044) | -5.33 (-135.5) -11.5% |
| Width inches (mm) | 15.55 (395) | 13.19 (335) | -2.36 (-60) -15.2% |
| Circum. inches (mm) | 145.89 (3705.51) | 129.13 (3279.82) | -16.76 (-425.69) -11.5% |
| Sidewall Height inches (mm) | 13.22 (335.75) | 10.55 (268) | -2.67 (-67.75) -20.2% |
| Revolutions per mile (km) | 434.31 (269.87) | 490.68 (304.89) | 56.37 (35.03) 13% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.7 mph (28.49 km/h) |
| 25 mph (40.23 km/h) | 22.13 mph (35.61 km/h) |
| 30 mph (48.28 km/h) | 26.55 mph (42.73 km/h) |
| 35 mph (56.33 km/h) | 30.98 mph (49.86 km/h) |
| 40 mph (64.37 km/h) | 35.4 mph (56.98 km/h) |
| 45 mph (72.42 km/h) | 39.83 mph (64.1 km/h) |
| 50 mph (80.47 km/h) | 44.26 mph (71.22 km/h) |
| 55 mph (88.51 km/h) | 48.68 mph (78.35 km/h) |
| 60 mph (96.56 km/h) | 53.11 mph (85.47 km/h) |
| 65 mph (104.61 km/h) | 57.53 mph (92.59 km/h) |
| 70 mph (112.65 km/h) | 61.96 mph (99.71 km/h) |
| 75 mph (120.7 km/h) | 66.38 mph (106.83 km/h) |
| 80 mph (128.75 km/h) | 70.81 mph (113.96 km/h) |
| 85 mph (136.79 km/h) | 75.24 mph (121.08 km/h) |
| 90 mph (144.84 km/h) | 79.66 mph (128.2 km/h) |
| 95 mph (152.89 km/h) | 84.09 mph (135.32 km/h) |
| 100 mph (160.93 km/h) | 88.51 mph (142.45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1249 | 1451 | 1562 | 1631 | 1706 | 1759 | 1817 | 1886 | 1982 | 2078 | 2184 | 2269 | 2423 | 2593 | 2726 | 2811 | 2859 | 3034 | 3278 | 3810 |
Better Fuel Economy Factory Ratios Increased Power
