Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 395/85-20 | 355/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 46.44 (1179.5) | 39.76 (1009.9) | -6.68 (-169.6) -14.4% |
| Width inches (mm) | 15.55 (395) | 13.98 (355) | -1.57 (-40) -10.1% |
| Circum. inches (mm) | 145.89 (3705.51) | 124.91 (3172.69) | -20.98 (-532.81) -14.4% |
| Sidewall Height inches (mm) | 13.22 (335.75) | 11.88 (301.75) | -1.34 (-34) -10.1% |
| Revolutions per mile (km) | 434.31 (269.87) | 507.25 (315.19) | 72.94 (45.32) 16.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.12 mph (27.56 km/h) |
| 25 mph (40.23 km/h) | 21.41 mph (34.45 km/h) |
| 30 mph (48.28 km/h) | 25.69 mph (41.34 km/h) |
| 35 mph (56.33 km/h) | 29.97 mph (48.23 km/h) |
| 40 mph (64.37 km/h) | 34.25 mph (55.12 km/h) |
| 45 mph (72.42 km/h) | 38.53 mph (62.01 km/h) |
| 50 mph (80.47 km/h) | 42.81 mph (68.9 km/h) |
| 55 mph (88.51 km/h) | 47.09 mph (75.79 km/h) |
| 60 mph (96.56 km/h) | 51.37 mph (82.68 km/h) |
| 65 mph (104.61 km/h) | 55.65 mph (89.57 km/h) |
| 70 mph (112.65 km/h) | 59.93 mph (96.46 km/h) |
| 75 mph (120.7 km/h) | 64.22 mph (103.35 km/h) |
| 80 mph (128.75 km/h) | 68.5 mph (110.24 km/h) |
| 85 mph (136.79 km/h) | 72.78 mph (117.12 km/h) |
| 90 mph (144.84 km/h) | 77.06 mph (124.01 km/h) |
| 95 mph (152.89 km/h) | 81.34 mph (130.9 km/h) |
| 100 mph (160.93 km/h) | 85.62 mph (137.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1291 | 1500 | 1615 | 1686 | 1763 | 1818 | 1879 | 1950 | 2049 | 2148 | 2258 | 2346 | 2505 | 2681 | 2818 | 2906 | 2955 | 3136 | 3389 | 3938 |
Better Fuel Economy Factory Ratios Increased Power
