Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/75-16 | 40/13.5-16.5 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.56 (953.9) | 40 (1015.92) | 2.44 (62.02) 6.5% |
| Width inches (mm) | 14.37 (365) | 13.5 (343) | -0.87 (-22) -6% |
| Circum. inches (mm) | 117.98 (2996.77) | 125.65 (3191.61) | 7.67 (194.84) 6.5% |
| Sidewall Height inches (mm) | 10.78 (273.75) | 11.75 (298.41) | 0.97 (24.66) 9% |
| Revolutions per mile (km) | 537.03 (333.69) | 504.24 (313.32) | -32.78 (-20.37) -6.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.3 mph (34.28 km/h) |
| 25 mph (40.23 km/h) | 26.63 mph (42.85 km/h) |
| 30 mph (48.28 km/h) | 31.95 mph (51.42 km/h) |
| 35 mph (56.33 km/h) | 37.28 mph (59.99 km/h) |
| 40 mph (64.37 km/h) | 42.6 mph (68.56 km/h) |
| 45 mph (72.42 km/h) | 47.93 mph (77.13 km/h) |
| 50 mph (80.47 km/h) | 53.25 mph (85.7 km/h) |
| 55 mph (88.51 km/h) | 58.58 mph (94.27 km/h) |
| 60 mph (96.56 km/h) | 63.9 mph (102.84 km/h) |
| 65 mph (104.61 km/h) | 69.23 mph (111.41 km/h) |
| 70 mph (112.65 km/h) | 74.55 mph (119.98 km/h) |
| 75 mph (120.7 km/h) | 79.88 mph (128.55 km/h) |
| 80 mph (128.75 km/h) | 85.2 mph (137.12 km/h) |
| 85 mph (136.79 km/h) | 90.53 mph (145.69 km/h) |
| 90 mph (144.84 km/h) | 95.85 mph (154.26 km/h) |
| 95 mph (152.89 km/h) | 101.18 mph (162.83 km/h) |
| 100 mph (160.93 km/h) | 106.5 mph (171.4 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1283 | 1491 | 1605 | 1676 | 1753 | 1807 | 1867 | 1938 | 2037 | 2135 | 2244 | 2332 | 2490 | 2665 | 2801 | 2889 | 2938 | 3118 | 3369 | 3915 |
Better Fuel Economy Factory Ratios Increased Power
