Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/75-16 | 31/12.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.56 (953.9) | 31.02 (788) | -6.53 (-165.9) -17.4% |
| Width inches (mm) | 14.37 (365) | 12.52 (318) | -1.85 (-47) -12.9% |
| Circum. inches (mm) | 117.98 (2996.77) | 97.46 (2475.58) | -20.52 (-521.19) -17.4% |
| Sidewall Height inches (mm) | 10.78 (273.75) | 7.51 (190.8) | -3.27 (-82.95) -30.3% |
| Revolutions per mile (km) | 537.03 (333.69) | 650.09 (403.95) | 113.06 (70.25) 21.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.52 mph (26.59 km/h) |
| 25 mph (40.23 km/h) | 20.65 mph (33.24 km/h) |
| 30 mph (48.28 km/h) | 24.78 mph (39.88 km/h) |
| 35 mph (56.33 km/h) | 28.91 mph (46.53 km/h) |
| 40 mph (64.37 km/h) | 33.04 mph (53.18 km/h) |
| 45 mph (72.42 km/h) | 37.17 mph (59.83 km/h) |
| 50 mph (80.47 km/h) | 41.3 mph (66.47 km/h) |
| 55 mph (88.51 km/h) | 45.43 mph (73.12 km/h) |
| 60 mph (96.56 km/h) | 49.56 mph (79.77 km/h) |
| 65 mph (104.61 km/h) | 53.7 mph (86.41 km/h) |
| 70 mph (112.65 km/h) | 57.83 mph (93.06 km/h) |
| 75 mph (120.7 km/h) | 61.96 mph (99.71 km/h) |
| 80 mph (128.75 km/h) | 66.09 mph (106.36 km/h) |
| 85 mph (136.79 km/h) | 70.22 mph (113 km/h) |
| 90 mph (144.84 km/h) | 74.35 mph (119.65 km/h) |
| 95 mph (152.89 km/h) | 78.48 mph (126.3 km/h) |
| 100 mph (160.93 km/h) | 82.61 mph (132.95 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1654 | 1922 | 2070 | 2161 | 2260 | 2330 | 2408 | 2499 | 2626 | 2753 | 2893 | 3006 | 3210 | 3435 | 3611 | 3724 | 3787 | 4020 | 4344 | 5048 |
Better Fuel Economy Factory Ratios Increased Power
