Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 445/50-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 33.52 (851.4) | 6.36 (161.5) 23.4% |
| Width inches (mm) | 12.4 (315) | 17.52 (445) | 5.12 (130) 41.3% |
| Circum. inches (mm) | 85.33 (2167.38) | 105.31 (2674.75) | 19.98 (507.37) 23.4% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 8.76 (222.5) | 3.18 (80.75) 57% |
| Revolutions per mile (km) | 742.53 (461.38) | 601.68 (373.87) | -140.85 (-87.52) -19% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.68 mph (39.72 km/h) |
| 25 mph (40.23 km/h) | 30.85 mph (49.65 km/h) |
| 30 mph (48.28 km/h) | 37.02 mph (59.58 km/h) |
| 35 mph (56.33 km/h) | 43.19 mph (69.51 km/h) |
| 40 mph (64.37 km/h) | 49.36 mph (79.44 km/h) |
| 45 mph (72.42 km/h) | 55.53 mph (89.37 km/h) |
| 50 mph (80.47 km/h) | 61.7 mph (99.3 km/h) |
| 55 mph (88.51 km/h) | 67.88 mph (109.23 km/h) |
| 60 mph (96.56 km/h) | 74.05 mph (119.16 km/h) |
| 65 mph (104.61 km/h) | 80.22 mph (129.1 km/h) |
| 70 mph (112.65 km/h) | 86.39 mph (139.03 km/h) |
| 75 mph (120.7 km/h) | 92.56 mph (148.96 km/h) |
| 80 mph (128.75 km/h) | 98.73 mph (158.89 km/h) |
| 85 mph (136.79 km/h) | 104.9 mph (168.82 km/h) |
| 90 mph (144.84 km/h) | 111.07 mph (178.75 km/h) |
| 95 mph (152.89 km/h) | 117.24 mph (188.68 km/h) |
| 100 mph (160.93 km/h) | 123.41 mph (198.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1531 | 1779 | 1916 | 2000 | 2091 | 2157 | 2228 | 2313 | 2430 | 2548 | 2678 | 2782 | 2971 | 3180 | 3342 | 3447 | 3505 | 3720 | 4020 | 4672 |
Better Fuel Economy Factory Ratios Increased Power
