Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/45-16 | 320/60-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.16 (689.9) | 31.12 (790.4) | 3.96 (100.5) 14.6% |
| Width inches (mm) | 12.4 (315) | 12.6 (320) | 0.2 (5) 1.6% |
| Circum. inches (mm) | 85.33 (2167.38) | 97.76 (2483.11) | 12.43 (315.73) 14.6% |
| Sidewall Height inches (mm) | 5.58 (141.75) | 7.56 (192) | 1.98 (50.25) 35.4% |
| Revolutions per mile (km) | 742.53 (461.38) | 648.12 (402.72) | -94.41 (-58.67) -12.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.91 mph (36.88 km/h) |
| 25 mph (40.23 km/h) | 28.64 mph (46.09 km/h) |
| 30 mph (48.28 km/h) | 34.37 mph (55.31 km/h) |
| 35 mph (56.33 km/h) | 40.1 mph (64.53 km/h) |
| 40 mph (64.37 km/h) | 45.83 mph (73.75 km/h) |
| 45 mph (72.42 km/h) | 51.56 mph (82.97 km/h) |
| 50 mph (80.47 km/h) | 57.28 mph (92.19 km/h) |
| 55 mph (88.51 km/h) | 63.01 mph (101.41 km/h) |
| 60 mph (96.56 km/h) | 68.74 mph (110.63 km/h) |
| 65 mph (104.61 km/h) | 74.47 mph (119.85 km/h) |
| 70 mph (112.65 km/h) | 80.2 mph (129.07 km/h) |
| 75 mph (120.7 km/h) | 85.93 mph (138.28 km/h) |
| 80 mph (128.75 km/h) | 91.65 mph (147.5 km/h) |
| 85 mph (136.79 km/h) | 97.38 mph (156.72 km/h) |
| 90 mph (144.84 km/h) | 103.11 mph (165.94 km/h) |
| 95 mph (152.89 km/h) | 108.84 mph (175.16 km/h) |
| 100 mph (160.93 km/h) | 114.57 mph (184.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1649 | 1916 | 2063 | 2155 | 2253 | 2323 | 2400 | 2492 | 2618 | 2744 | 2885 | 2997 | 3200 | 3425 | 3600 | 3713 | 3776 | 4008 | 4330 | 5032 |
Better Fuel Economy Factory Ratios Increased Power
