Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 395/85-20 | 335/85-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 46.44 (1179.5) | 42.42 (1077.5) | -4.02 (-102) -8.6% |
| Width inches (mm) | 15.55 (395) | 13.19 (335) | -2.36 (-60) -15.2% |
| Circum. inches (mm) | 145.89 (3705.51) | 133.27 (3385.07) | -12.62 (-320.44) -8.6% |
| Sidewall Height inches (mm) | 13.22 (335.75) | 11.21 (284.75) | -2.01 (-51) -15.2% |
| Revolutions per mile (km) | 434.31 (269.87) | 475.42 (295.41) | 41.11 (25.55) 9.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.27 mph (29.4 km/h) |
| 25 mph (40.23 km/h) | 22.84 mph (36.75 km/h) |
| 30 mph (48.28 km/h) | 27.41 mph (44.11 km/h) |
| 35 mph (56.33 km/h) | 31.97 mph (51.46 km/h) |
| 40 mph (64.37 km/h) | 36.54 mph (58.81 km/h) |
| 45 mph (72.42 km/h) | 41.11 mph (66.16 km/h) |
| 50 mph (80.47 km/h) | 45.68 mph (73.51 km/h) |
| 55 mph (88.51 km/h) | 50.24 mph (80.86 km/h) |
| 60 mph (96.56 km/h) | 54.81 mph (88.21 km/h) |
| 65 mph (104.61 km/h) | 59.38 mph (95.56 km/h) |
| 70 mph (112.65 km/h) | 63.95 mph (102.91 km/h) |
| 75 mph (120.7 km/h) | 68.51 mph (110.26 km/h) |
| 80 mph (128.75 km/h) | 73.08 mph (117.61 km/h) |
| 85 mph (136.79 km/h) | 77.65 mph (124.96 km/h) |
| 90 mph (144.84 km/h) | 82.22 mph (132.32 km/h) |
| 95 mph (152.89 km/h) | 86.78 mph (139.67 km/h) |
| 100 mph (160.93 km/h) | 91.35 mph (147.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1210 | 1406 | 1514 | 1581 | 1653 | 1704 | 1761 | 1828 | 1920 | 2013 | 2116 | 2198 | 2348 | 2512 | 2641 | 2723 | 2770 | 2940 | 3177 | 3691 |
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