Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 160/80-15 | 220/80-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.08 (637) | 28.86 (733) | 3.78 (96) 15.1% |
| Width inches (mm) | 6.3 (160) | 8.66 (220) | 2.36 (60) 37.5% |
| Circum. inches (mm) | 78.79 (2001.19) | 90.66 (2302.79) | 11.87 (301.59) 15.1% |
| Sidewall Height inches (mm) | 5.04 (128) | 6.93 (176) | 1.89 (48) 37.5% |
| Revolutions per mile (km) | 804.19 (499.7) | 698.87 (434.26) | -105.32 (-65.45) -13.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.01 mph (37.04 km/h) |
| 25 mph (40.23 km/h) | 28.77 mph (46.3 km/h) |
| 30 mph (48.28 km/h) | 34.52 mph (55.56 km/h) |
| 35 mph (56.33 km/h) | 40.27 mph (64.82 km/h) |
| 40 mph (64.37 km/h) | 46.03 mph (74.08 km/h) |
| 45 mph (72.42 km/h) | 51.78 mph (83.33 km/h) |
| 50 mph (80.47 km/h) | 57.54 mph (92.59 km/h) |
| 55 mph (88.51 km/h) | 63.29 mph (101.85 km/h) |
| 60 mph (96.56 km/h) | 69.04 mph (111.11 km/h) |
| 65 mph (104.61 km/h) | 74.8 mph (120.37 km/h) |
| 70 mph (112.65 km/h) | 80.55 mph (129.63 km/h) |
| 75 mph (120.7 km/h) | 86.3 mph (138.89 km/h) |
| 80 mph (128.75 km/h) | 92.06 mph (148.15 km/h) |
| 85 mph (136.79 km/h) | 97.81 mph (157.41 km/h) |
| 90 mph (144.84 km/h) | 103.56 mph (166.67 km/h) |
| 95 mph (152.89 km/h) | 109.32 mph (175.93 km/h) |
| 100 mph (160.93 km/h) | 115.07 mph (185.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1778 | 2066 | 2225 | 2323 | 2429 | 2505 | 2588 | 2687 | 2823 | 2959 | 3110 | 3232 | 3451 | 3693 | 3882 | 4003 | 4072 | 4321 | 4669 | 5426 |
Better Fuel Economy Factory Ratios Increased Power
