Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/80-20 | 335/65-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 42.99 (1092) | 37.15 (943.5) | -5.85 (-148.5) -13.6% |
| Width inches (mm) | 14.37 (365) | 13.19 (335) | -1.18 (-30) -8.2% |
| Circum. inches (mm) | 135.06 (3430.62) | 116.7 (2964.09) | -18.37 (-466.53) -13.6% |
| Sidewall Height inches (mm) | 11.5 (292) | 8.57 (217.75) | -2.92 (-74.25) -25.4% |
| Revolutions per mile (km) | 469.11 (291.49) | 542.95 (337.37) | 73.83 (45.88) 15.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.28 mph (27.81 km/h) |
| 25 mph (40.23 km/h) | 21.6 mph (34.76 km/h) |
| 30 mph (48.28 km/h) | 25.92 mph (41.71 km/h) |
| 35 mph (56.33 km/h) | 30.24 mph (48.67 km/h) |
| 40 mph (64.37 km/h) | 34.56 mph (55.62 km/h) |
| 45 mph (72.42 km/h) | 38.88 mph (62.57 km/h) |
| 50 mph (80.47 km/h) | 43.2 mph (69.52 km/h) |
| 55 mph (88.51 km/h) | 47.52 mph (76.48 km/h) |
| 60 mph (96.56 km/h) | 51.84 mph (83.43 km/h) |
| 65 mph (104.61 km/h) | 56.16 mph (90.38 km/h) |
| 70 mph (112.65 km/h) | 60.48 mph (97.33 km/h) |
| 75 mph (120.7 km/h) | 64.8 mph (104.29 km/h) |
| 80 mph (128.75 km/h) | 69.12 mph (111.24 km/h) |
| 85 mph (136.79 km/h) | 73.44 mph (118.19 km/h) |
| 90 mph (144.84 km/h) | 77.76 mph (125.14 km/h) |
| 95 mph (152.89 km/h) | 82.08 mph (132.1 km/h) |
| 100 mph (160.93 km/h) | 86.4 mph (139.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1382 | 1605 | 1729 | 1805 | 1887 | 1946 | 2011 | 2087 | 2193 | 2299 | 2416 | 2511 | 2681 | 2869 | 3016 | 3110 | 3163 | 3357 | 3628 | 4216 |
Better Fuel Economy Factory Ratios Increased Power
