Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 130/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 22.19 (563.6) | -3.15 (-80) -12.4% |
| Width inches (mm) | 7.09 (180) | 5.12 (130) | -1.97 (-50) -27.8% |
| Circum. inches (mm) | 79.6 (2021.93) | 69.71 (1770.6) | -9.89 (-251.33) -12.4% |
| Sidewall Height inches (mm) | 5.67 (144) | 4.09 (104) | -1.57 (-40) -27.8% |
| Revolutions per mile (km) | 795.94 (494.58) | 908.92 (564.78) | 112.98 (70.2) 14.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.51 mph (28.19 km/h) |
| 25 mph (40.23 km/h) | 21.89 mph (35.23 km/h) |
| 30 mph (48.28 km/h) | 26.27 mph (42.28 km/h) |
| 35 mph (56.33 km/h) | 30.65 mph (49.33 km/h) |
| 40 mph (64.37 km/h) | 35.03 mph (56.37 km/h) |
| 45 mph (72.42 km/h) | 39.41 mph (63.42 km/h) |
| 50 mph (80.47 km/h) | 43.78 mph (70.47 km/h) |
| 55 mph (88.51 km/h) | 48.16 mph (77.51 km/h) |
| 60 mph (96.56 km/h) | 52.54 mph (84.56 km/h) |
| 65 mph (104.61 km/h) | 56.92 mph (91.6 km/h) |
| 70 mph (112.65 km/h) | 61.3 mph (98.65 km/h) |
| 75 mph (120.7 km/h) | 65.68 mph (105.7 km/h) |
| 80 mph (128.75 km/h) | 70.06 mph (112.74 km/h) |
| 85 mph (136.79 km/h) | 74.43 mph (119.79 km/h) |
| 90 mph (144.84 km/h) | 78.81 mph (126.84 km/h) |
| 95 mph (152.89 km/h) | 83.19 mph (133.88 km/h) |
| 100 mph (160.93 km/h) | 87.57 mph (140.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2313 | 2687 | 2894 | 3022 | 3160 | 3258 | 3366 | 3494 | 3671 | 3849 | 4045 | 4203 | 4488 | 4803 | 5049 | 5207 | 5295 | 5620 | 6073 | 7057 |
Better Fuel Economy Factory Ratios Increased Power
