Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/75-16 | 38.5/13-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.56 (953.9) | 38.61 (980.6) | 1.05 (26.7) 2.8% |
| Width inches (mm) | 14.37 (365) | 12.99 (330) | -1.38 (-35) -9.6% |
| Circum. inches (mm) | 117.98 (2996.77) | 121.29 (3080.65) | 3.3 (83.88) 2.8% |
| Sidewall Height inches (mm) | 10.78 (273.75) | 11.3 (287.1) | 0.53 (13.35) 4.9% |
| Revolutions per mile (km) | 537.03 (333.69) | 522.4 (324.61) | -14.62 (-9.09) -2.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.56 mph (33.09 km/h) |
| 25 mph (40.23 km/h) | 25.7 mph (41.36 km/h) |
| 30 mph (48.28 km/h) | 30.84 mph (49.63 km/h) |
| 35 mph (56.33 km/h) | 35.98 mph (57.9 km/h) |
| 40 mph (64.37 km/h) | 41.12 mph (66.18 km/h) |
| 45 mph (72.42 km/h) | 46.26 mph (74.45 km/h) |
| 50 mph (80.47 km/h) | 51.4 mph (82.72 km/h) |
| 55 mph (88.51 km/h) | 56.54 mph (90.99 km/h) |
| 60 mph (96.56 km/h) | 61.68 mph (99.26 km/h) |
| 65 mph (104.61 km/h) | 66.82 mph (107.54 km/h) |
| 70 mph (112.65 km/h) | 71.96 mph (115.81 km/h) |
| 75 mph (120.7 km/h) | 77.1 mph (124.08 km/h) |
| 80 mph (128.75 km/h) | 82.24 mph (132.35 km/h) |
| 85 mph (136.79 km/h) | 87.38 mph (140.62 km/h) |
| 90 mph (144.84 km/h) | 92.52 mph (148.9 km/h) |
| 95 mph (152.89 km/h) | 97.66 mph (157.17 km/h) |
| 100 mph (160.93 km/h) | 102.8 mph (165.44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1329 | 1544 | 1663 | 1737 | 1816 | 1873 | 1935 | 2008 | 2110 | 2212 | 2325 | 2416 | 2580 | 2761 | 2902 | 2993 | 3044 | 3230 | 3490 | 4056 |
Better Fuel Economy Factory Ratios Increased Power
