Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/65-22.5 | 385/55-19.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 41.18 (1046) | 36.17 (918.8) | -5.01 (-127.2) -12.2% |
| Width inches (mm) | 14.37 (365) | 15.16 (385) | 0.79 (20) 5.5% |
| Circum. inches (mm) | 129.37 (3286.11) | 113.64 (2886.5) | -15.73 (-399.61) -12.2% |
| Sidewall Height inches (mm) | 9.34 (237.25) | 8.34 (211.75) | -1 (-25.5) -10.7% |
| Revolutions per mile (km) | 489.74 (304.31) | 557.54 (346.44) | 67.8 (42.13) 13.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.57 mph (28.27 km/h) |
| 25 mph (40.23 km/h) | 21.96 mph (35.34 km/h) |
| 30 mph (48.28 km/h) | 26.35 mph (42.41 km/h) |
| 35 mph (56.33 km/h) | 30.74 mph (49.48 km/h) |
| 40 mph (64.37 km/h) | 35.14 mph (56.55 km/h) |
| 45 mph (72.42 km/h) | 39.53 mph (63.61 km/h) |
| 50 mph (80.47 km/h) | 43.92 mph (70.68 km/h) |
| 55 mph (88.51 km/h) | 48.31 mph (77.75 km/h) |
| 60 mph (96.56 km/h) | 52.7 mph (84.82 km/h) |
| 65 mph (104.61 km/h) | 57.1 mph (91.89 km/h) |
| 70 mph (112.65 km/h) | 61.49 mph (98.95 km/h) |
| 75 mph (120.7 km/h) | 65.88 mph (106.02 km/h) |
| 80 mph (128.75 km/h) | 70.27 mph (113.09 km/h) |
| 85 mph (136.79 km/h) | 74.66 mph (120.16 km/h) |
| 90 mph (144.84 km/h) | 79.06 mph (127.23 km/h) |
| 95 mph (152.89 km/h) | 83.45 mph (134.3 km/h) |
| 100 mph (160.93 km/h) | 87.84 mph (141.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1419 | 1648 | 1775 | 1854 | 1938 | 1998 | 2065 | 2143 | 2252 | 2361 | 2481 | 2578 | 2753 | 2946 | 3097 | 3194 | 3248 | 3447 | 3725 | 4329 |
Better Fuel Economy Factory Ratios Increased Power
