Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-16.5 | 37/11.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.97 (786.6) | 37 (939.88) | 6.03 (153.28) 19.5% |
| Width inches (mm) | 9.65 (245) | 11.5 (292) | 1.85 (47) 19.2% |
| Circum. inches (mm) | 97.29 (2471.18) | 116.25 (2952.72) | 18.96 (481.54) 19.5% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 10 (254.04) | 2.77 (70.29) 38.3% |
| Revolutions per mile (km) | 651.25 (404.66) | 545.04 (338.67) | -106.21 (-65.99) -16.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.9 mph (38.46 km/h) |
| 25 mph (40.23 km/h) | 29.87 mph (48.07 km/h) |
| 30 mph (48.28 km/h) | 35.85 mph (57.69 km/h) |
| 35 mph (56.33 km/h) | 41.82 mph (67.3 km/h) |
| 40 mph (64.37 km/h) | 47.79 mph (76.92 km/h) |
| 45 mph (72.42 km/h) | 53.77 mph (86.53 km/h) |
| 50 mph (80.47 km/h) | 59.74 mph (96.15 km/h) |
| 55 mph (88.51 km/h) | 65.72 mph (105.76 km/h) |
| 60 mph (96.56 km/h) | 71.69 mph (115.38 km/h) |
| 65 mph (104.61 km/h) | 77.67 mph (124.99 km/h) |
| 70 mph (112.65 km/h) | 83.64 mph (134.61 km/h) |
| 75 mph (120.7 km/h) | 89.61 mph (144.22 km/h) |
| 80 mph (128.75 km/h) | 95.59 mph (153.84 km/h) |
| 85 mph (136.79 km/h) | 101.56 mph (163.45 km/h) |
| 90 mph (144.84 km/h) | 107.54 mph (173.07 km/h) |
| 95 mph (152.89 km/h) | 113.51 mph (182.68 km/h) |
| 100 mph (160.93 km/h) | 119.49 mph (192.3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1387 | 1611 | 1735 | 1812 | 1895 | 1954 | 2019 | 2095 | 2202 | 2308 | 2426 | 2520 | 2691 | 2880 | 3028 | 3122 | 3175 | 3370 | 3642 | 4232 |
Better Fuel Economy Factory Ratios Increased Power
