Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 365/75-16 | 38/13-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.56 (953.9) | 38.09 (967.4) | 0.53 (13.5) 1.4% |
| Width inches (mm) | 14.37 (365) | 12.99 (330) | -1.38 (-35) -9.6% |
| Circum. inches (mm) | 117.98 (2996.77) | 119.65 (3039.18) | 1.67 (42.41) 1.4% |
| Sidewall Height inches (mm) | 10.78 (273.75) | 11.04 (280.5) | 0.27 (6.75) 2.5% |
| Revolutions per mile (km) | 537.03 (333.69) | 529.53 (329.04) | -7.49 (-4.66) -1.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.28 mph (32.64 km/h) |
| 25 mph (40.23 km/h) | 25.35 mph (40.8 km/h) |
| 30 mph (48.28 km/h) | 30.42 mph (48.96 km/h) |
| 35 mph (56.33 km/h) | 35.5 mph (57.12 km/h) |
| 40 mph (64.37 km/h) | 40.57 mph (65.28 km/h) |
| 45 mph (72.42 km/h) | 45.64 mph (73.45 km/h) |
| 50 mph (80.47 km/h) | 50.71 mph (81.61 km/h) |
| 55 mph (88.51 km/h) | 55.78 mph (89.77 km/h) |
| 60 mph (96.56 km/h) | 60.85 mph (97.93 km/h) |
| 65 mph (104.61 km/h) | 65.92 mph (106.09 km/h) |
| 70 mph (112.65 km/h) | 70.99 mph (114.25 km/h) |
| 75 mph (120.7 km/h) | 76.06 mph (122.41 km/h) |
| 80 mph (128.75 km/h) | 81.13 mph (130.57 km/h) |
| 85 mph (136.79 km/h) | 86.2 mph (138.73 km/h) |
| 90 mph (144.84 km/h) | 91.27 mph (146.89 km/h) |
| 95 mph (152.89 km/h) | 96.34 mph (155.05 km/h) |
| 100 mph (160.93 km/h) | 101.42 mph (163.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1348 | 1565 | 1686 | 1760 | 1841 | 1898 | 1961 | 2036 | 2139 | 2242 | 2357 | 2449 | 2615 | 2798 | 2942 | 3033 | 3085 | 3274 | 3538 | 4111 |
Better Fuel Economy Factory Ratios Increased Power
