Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/80-20 | 335/80-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.99 (1092) | 41.1 (1044) | -1.89 (-48) -4.4% |
| Width inches (mm) | 14.37 (365) | 13.19 (335) | -1.18 (-30) -8.2% |
| Circum. inches (mm) | 135.06 (3430.62) | 129.13 (3279.82) | -5.94 (-150.8) -4.4% |
| Sidewall Height inches (mm) | 11.5 (292) | 10.55 (268) | -0.94 (-24) -8.2% |
| Revolutions per mile (km) | 469.11 (291.49) | 490.68 (304.89) | 21.57 (13.4) 4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.12 mph (30.77 km/h) |
| 25 mph (40.23 km/h) | 23.9 mph (38.47 km/h) |
| 30 mph (48.28 km/h) | 28.68 mph (46.16 km/h) |
| 35 mph (56.33 km/h) | 33.46 mph (53.85 km/h) |
| 40 mph (64.37 km/h) | 38.24 mph (61.54 km/h) |
| 45 mph (72.42 km/h) | 43.02 mph (69.24 km/h) |
| 50 mph (80.47 km/h) | 47.8 mph (76.93 km/h) |
| 55 mph (88.51 km/h) | 52.58 mph (84.62 km/h) |
| 60 mph (96.56 km/h) | 57.36 mph (92.32 km/h) |
| 65 mph (104.61 km/h) | 62.14 mph (100.01 km/h) |
| 70 mph (112.65 km/h) | 66.92 mph (107.7 km/h) |
| 75 mph (120.7 km/h) | 71.7 mph (115.4 km/h) |
| 80 mph (128.75 km/h) | 76.48 mph (123.09 km/h) |
| 85 mph (136.79 km/h) | 81.26 mph (130.78 km/h) |
| 90 mph (144.84 km/h) | 86.04 mph (138.47 km/h) |
| 95 mph (152.89 km/h) | 90.82 mph (146.17 km/h) |
| 100 mph (160.93 km/h) | 95.6 mph (153.86 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
