Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 395/85-20 | 295/85-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 46.44 (1179.5) | 39.74 (1009.5) | -6.69 (-170) -14.4% |
| Width inches (mm) | 15.55 (395) | 11.61 (295) | -3.94 (-100) -25.3% |
| Circum. inches (mm) | 145.89 (3705.51) | 124.86 (3171.44) | -21.03 (-534.07) -14.4% |
| Sidewall Height inches (mm) | 13.22 (335.75) | 9.87 (250.75) | -3.35 (-85) -25.3% |
| Revolutions per mile (km) | 434.31 (269.87) | 507.45 (315.31) | 73.14 (45.45) 16.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.12 mph (27.55 km/h) |
| 25 mph (40.23 km/h) | 21.4 mph (34.43 km/h) |
| 30 mph (48.28 km/h) | 25.68 mph (41.32 km/h) |
| 35 mph (56.33 km/h) | 29.96 mph (48.21 km/h) |
| 40 mph (64.37 km/h) | 34.23 mph (55.1 km/h) |
| 45 mph (72.42 km/h) | 38.51 mph (61.98 km/h) |
| 50 mph (80.47 km/h) | 42.79 mph (68.87 km/h) |
| 55 mph (88.51 km/h) | 47.07 mph (75.76 km/h) |
| 60 mph (96.56 km/h) | 51.35 mph (82.64 km/h) |
| 65 mph (104.61 km/h) | 55.63 mph (89.53 km/h) |
| 70 mph (112.65 km/h) | 59.91 mph (96.42 km/h) |
| 75 mph (120.7 km/h) | 64.19 mph (103.3 km/h) |
| 80 mph (128.75 km/h) | 68.47 mph (110.19 km/h) |
| 85 mph (136.79 km/h) | 72.75 mph (117.08 km/h) |
| 90 mph (144.84 km/h) | 77.03 mph (123.97 km/h) |
| 95 mph (152.89 km/h) | 81.31 mph (130.85 km/h) |
| 100 mph (160.93 km/h) | 85.59 mph (137.74 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 | 1616 | 1687 | 1764 | 1819 | 1879 | 1951 | 2050 | 2149 | 2259 | 2346 | 2506 | 2682 | 2819 | 2907 | 2956 | 3138 | 3391 | 3940 |
Better Fuel Economy Factory Ratios Increased Power
