Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/80-16 | 375/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 36.47 (926.4) | 36.67 (931.4) | 0.2 (5) 0.5% |
| Width inches (mm) | 12.8 (325) | 14.76 (375) | 1.97 (50) 15.4% |
| Circum. inches (mm) | 114.58 (2910.37) | 115.2 (2926.08) | 0.62 (15.71) 0.5% |
| Sidewall Height inches (mm) | 10.24 (260) | 10.33 (262.5) | 0.1 (2.5) 1% |
| Revolutions per mile (km) | 552.97 (343.6) | 550 (341.75) | -2.97 (-1.84) -0.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.11 mph (32.36 km/h) |
| 25 mph (40.23 km/h) | 25.13 mph (40.45 km/h) |
| 30 mph (48.28 km/h) | 30.16 mph (48.54 km/h) |
| 35 mph (56.33 km/h) | 35.19 mph (56.63 km/h) |
| 40 mph (64.37 km/h) | 40.22 mph (64.72 km/h) |
| 45 mph (72.42 km/h) | 45.24 mph (72.81 km/h) |
| 50 mph (80.47 km/h) | 50.27 mph (80.9 km/h) |
| 55 mph (88.51 km/h) | 55.3 mph (88.99 km/h) |
| 60 mph (96.56 km/h) | 60.32 mph (97.08 km/h) |
| 65 mph (104.61 km/h) | 65.35 mph (105.17 km/h) |
| 70 mph (112.65 km/h) | 70.38 mph (113.26 km/h) |
| 75 mph (120.7 km/h) | 75.4 mph (121.35 km/h) |
| 80 mph (128.75 km/h) | 80.43 mph (129.44 km/h) |
| 85 mph (136.79 km/h) | 85.46 mph (137.53 km/h) |
| 90 mph (144.84 km/h) | 90.49 mph (145.62 km/h) |
| 95 mph (152.89 km/h) | 95.51 mph (153.71 km/h) |
| 100 mph (160.93 km/h) | 100.54 mph (161.8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1400 | 1626 | 1751 | 1828 | 1912 | 1971 | 2037 | 2114 | 2222 | 2329 | 2448 | 2543 | 2716 | 2906 | 3055 | 3151 | 3204 | 3401 | 3675 | 4270 |
Better Fuel Economy Factory Ratios Increased Power
