Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 150/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 22.27 (565.6) | -3.07 (-78) -12.1% |
| Width inches (mm) | 7.09 (180) | 5.91 (150) | -1.18 (-30) -16.7% |
| Circum. inches (mm) | 79.6 (2021.93) | 69.96 (1776.88) | -9.65 (-245.04) -12.1% |
| Sidewall Height inches (mm) | 5.67 (144) | 4.13 (105) | -1.54 (-39) -27.1% |
| Revolutions per mile (km) | 795.94 (494.58) | 905.71 (562.78) | 109.77 (68.21) 13.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.58 mph (28.29 km/h) |
| 25 mph (40.23 km/h) | 21.97 mph (35.36 km/h) |
| 30 mph (48.28 km/h) | 26.36 mph (42.43 km/h) |
| 35 mph (56.33 km/h) | 30.76 mph (49.5 km/h) |
| 40 mph (64.37 km/h) | 35.15 mph (56.57 km/h) |
| 45 mph (72.42 km/h) | 39.55 mph (63.64 km/h) |
| 50 mph (80.47 km/h) | 43.94 mph (70.72 km/h) |
| 55 mph (88.51 km/h) | 48.33 mph (77.79 km/h) |
| 60 mph (96.56 km/h) | 52.73 mph (84.86 km/h) |
| 65 mph (104.61 km/h) | 57.12 mph (91.93 km/h) |
| 70 mph (112.65 km/h) | 61.52 mph (99 km/h) |
| 75 mph (120.7 km/h) | 65.91 mph (106.07 km/h) |
| 80 mph (128.75 km/h) | 70.3 mph (113.14 km/h) |
| 85 mph (136.79 km/h) | 74.7 mph (120.22 km/h) |
| 90 mph (144.84 km/h) | 79.09 mph (127.29 km/h) |
| 95 mph (152.89 km/h) | 83.49 mph (134.36 km/h) |
| 100 mph (160.93 km/h) | 87.88 mph (141.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2305 | 2678 | 2884 | 3011 | 3148 | 3246 | 3354 | 3482 | 3658 | 3835 | 4031 | 4188 | 4472 | 4786 | 5031 | 5188 | 5277 | 5600 | 6051 | 7032 |
Better Fuel Economy Factory Ratios Increased Power
