Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/65-16 | 37/11.5-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 34.68 (880.9) | 36.92 (937.84) | 2.24 (56.94) 6.5% |
| Width inches (mm) | 14.37 (365) | 11.5 (292) | -2.87 (-73) -20% |
| Circum. inches (mm) | 108.95 (2767.43) | 116 (2946.31) | 7.04 (178.88) 6.5% |
| Sidewall Height inches (mm) | 9.34 (237.25) | 10.46 (265.72) | 1.12 (28.47) 12% |
| Revolutions per mile (km) | 581.53 (361.35) | 546.22 (339.41) | -35.31 (-21.94) -6.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.29 mph (34.27 km/h) |
| 25 mph (40.23 km/h) | 26.62 mph (42.83 km/h) |
| 30 mph (48.28 km/h) | 31.94 mph (51.4 km/h) |
| 35 mph (56.33 km/h) | 37.26 mph (59.97 km/h) |
| 40 mph (64.37 km/h) | 42.59 mph (68.53 km/h) |
| 45 mph (72.42 km/h) | 47.91 mph (77.1 km/h) |
| 50 mph (80.47 km/h) | 53.23 mph (85.67 km/h) |
| 55 mph (88.51 km/h) | 58.56 mph (94.24 km/h) |
| 60 mph (96.56 km/h) | 63.88 mph (102.8 km/h) |
| 65 mph (104.61 km/h) | 69.2 mph (111.37 km/h) |
| 70 mph (112.65 km/h) | 74.52 mph (119.94 km/h) |
| 75 mph (120.7 km/h) | 79.85 mph (128.5 km/h) |
| 80 mph (128.75 km/h) | 85.17 mph (137.07 km/h) |
| 85 mph (136.79 km/h) | 90.49 mph (145.64 km/h) |
| 90 mph (144.84 km/h) | 95.82 mph (154.2 km/h) |
| 95 mph (152.89 km/h) | 101.14 mph (162.77 km/h) |
| 100 mph (160.93 km/h) | 106.46 mph (171.34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1390 | 1615 | 1739 | 1816 | 1899 | 1958 | 2023 | 2100 | 2206 | 2313 | 2431 | 2526 | 2697 | 2887 | 3034 | 3129 | 3182 | 3377 | 3650 | 4241 |
Better Fuel Economy Factory Ratios Increased Power
