Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 130/90-16 | 180/90-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.21 (640.4) | 28.76 (730.4) | 3.54 (90) 14.1% |
| Width inches (mm) | 5.12 (130) | 7.09 (180) | 1.97 (50) 38.5% |
| Circum. inches (mm) | 79.21 (2011.88) | 90.34 (2294.62) | 11.13 (282.74) 14.1% |
| Sidewall Height inches (mm) | 4.61 (117) | 6.38 (162) | 1.77 (45) 38.5% |
| Revolutions per mile (km) | 799.92 (497.05) | 701.36 (435.8) | -98.57 (-61.25) -12.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.81 mph (36.71 km/h) |
| 25 mph (40.23 km/h) | 28.51 mph (45.89 km/h) |
| 30 mph (48.28 km/h) | 34.22 mph (55.07 km/h) |
| 35 mph (56.33 km/h) | 39.92 mph (64.24 km/h) |
| 40 mph (64.37 km/h) | 45.62 mph (73.42 km/h) |
| 45 mph (72.42 km/h) | 51.32 mph (82.6 km/h) |
| 50 mph (80.47 km/h) | 57.03 mph (91.78 km/h) |
| 55 mph (88.51 km/h) | 62.73 mph (100.95 km/h) |
| 60 mph (96.56 km/h) | 68.43 mph (110.13 km/h) |
| 65 mph (104.61 km/h) | 74.13 mph (119.31 km/h) |
| 70 mph (112.65 km/h) | 79.84 mph (128.49 km/h) |
| 75 mph (120.7 km/h) | 85.54 mph (137.66 km/h) |
| 80 mph (128.75 km/h) | 91.24 mph (146.84 km/h) |
| 85 mph (136.79 km/h) | 96.95 mph (156.02 km/h) |
| 90 mph (144.84 km/h) | 102.65 mph (165.2 km/h) |
| 95 mph (152.89 km/h) | 108.35 mph (174.37 km/h) |
| 100 mph (160.93 km/h) | 114.05 mph (183.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1785 | 2073 | 2233 | 2332 | 2438 | 2514 | 2597 | 2696 | 2833 | 2970 | 3122 | 3243 | 3463 | 3706 | 3896 | 4018 | 4086 | 4337 | 4686 | 5446 |
Better Fuel Economy Factory Ratios Increased Power
