Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 60/80-17 | 325/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.78 (527.8) | 40.03 (1016.8) | 19.25 (489) 92.6% |
| Width inches (mm) | 2.36 (60) | 12.8 (325) | 10.43 (265) 441.7% |
| Circum. inches (mm) | 65.28 (1658.13) | 125.76 (3194.37) | 60.48 (1536.24) 92.6% |
| Sidewall Height inches (mm) | 1.89 (48) | 11.52 (292.5) | 9.63 (244.5) 509.4% |
| Revolutions per mile (km) | 970.58 (603.09) | 503.81 (313.05) | -466.77 (-290.04) -48.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 38.53 mph (62.01 km/h) |
| 25 mph (40.23 km/h) | 48.16 mph (77.51 km/h) |
| 30 mph (48.28 km/h) | 57.79 mph (93.01 km/h) |
| 35 mph (56.33 km/h) | 67.43 mph (108.51 km/h) |
| 40 mph (64.37 km/h) | 77.06 mph (124.02 km/h) |
| 45 mph (72.42 km/h) | 86.69 mph (139.52 km/h) |
| 50 mph (80.47 km/h) | 96.32 mph (155.02 km/h) |
| 55 mph (88.51 km/h) | 105.96 mph (170.52 km/h) |
| 60 mph (96.56 km/h) | 115.59 mph (186.02 km/h) |
| 65 mph (104.61 km/h) | 125.22 mph (201.53 km/h) |
| 70 mph (112.65 km/h) | 134.85 mph (217.03 km/h) |
| 75 mph (120.7 km/h) | 144.49 mph (232.53 km/h) |
| 80 mph (128.75 km/h) | 154.12 mph (248.03 km/h) |
| 85 mph (136.79 km/h) | 163.75 mph (263.53 km/h) |
| 90 mph (144.84 km/h) | 173.38 mph (279.03 km/h) |
| 95 mph (152.89 km/h) | 183.02 mph (294.54 km/h) |
| 100 mph (160.93 km/h) | 192.65 mph (310.04 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1282 | 1489 | 1604 | 1675 | 1751 | 1806 | 1866 | 1937 | 2035 | 2133 | 2242 | 2330 | 2488 | 2662 | 2799 | 2886 | 2935 | 3115 | 3366 | 3912 |
Better Fuel Economy Factory Ratios Increased Power
