Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/35-28 | 37/14.5-28 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.96 (938.7) | 36.98 (939.36) | 0.03 (0.66) 0.1% |
| Width inches (mm) | 12.8 (325) | 14.49 (368) | 1.69 (43) 13.2% |
| Circum. inches (mm) | 116.1 (2949.01) | 116.18 (2951.09) | 0.08 (2.07) 0.1% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 4.49 (114.08) | 0.01 (0.33) 0.3% |
| Revolutions per mile (km) | 545.72 (339.1) | 545.34 (338.86) | -0.38 (-0.24) -0.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.01 mph (32.21 km/h) |
| 25 mph (40.23 km/h) | 25.02 mph (40.26 km/h) |
| 30 mph (48.28 km/h) | 30.02 mph (48.31 km/h) |
| 35 mph (56.33 km/h) | 35.02 mph (56.37 km/h) |
| 40 mph (64.37 km/h) | 40.03 mph (64.42 km/h) |
| 45 mph (72.42 km/h) | 45.03 mph (72.47 km/h) |
| 50 mph (80.47 km/h) | 50.04 mph (80.52 km/h) |
| 55 mph (88.51 km/h) | 55.04 mph (88.58 km/h) |
| 60 mph (96.56 km/h) | 60.04 mph (96.63 km/h) |
| 65 mph (104.61 km/h) | 65.05 mph (104.68 km/h) |
| 70 mph (112.65 km/h) | 70.05 mph (112.73 km/h) |
| 75 mph (120.7 km/h) | 75.05 mph (120.79 km/h) |
| 80 mph (128.75 km/h) | 80.06 mph (128.84 km/h) |
| 85 mph (136.79 km/h) | 85.06 mph (136.89 km/h) |
| 90 mph (144.84 km/h) | 90.06 mph (144.94 km/h) |
| 95 mph (152.89 km/h) | 95.07 mph (153 km/h) |
| 100 mph (160.93 km/h) | 100.07 mph (161.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1388 | 1612 | 1736 | 1813 | 1896 | 1955 | 2020 | 2096 | 2203 | 2309 | 2427 | 2522 | 2693 | 2882 | 3030 | 3124 | 3177 | 3372 | 3644 | 4234 |
Better Fuel Economy Factory Ratios Increased Power
