Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 160/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 24.08 (611.6) | -1.26 (-32) -5% |
| Width inches (mm) | 7.09 (180) | 6.3 (160) | -0.79 (-20) -11.1% |
| Circum. inches (mm) | 79.6 (2021.93) | 75.65 (1921.4) | -3.96 (-100.53) -5% |
| Sidewall Height inches (mm) | 5.67 (144) | 5.04 (128) | -0.63 (-16) -11.1% |
| Revolutions per mile (km) | 795.94 (494.58) | 837.59 (520.45) | 41.65 (25.88) 5.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.01 mph (30.59 km/h) |
| 25 mph (40.23 km/h) | 23.76 mph (38.23 km/h) |
| 30 mph (48.28 km/h) | 28.51 mph (45.88 km/h) |
| 35 mph (56.33 km/h) | 33.26 mph (53.53 km/h) |
| 40 mph (64.37 km/h) | 38.01 mph (61.17 km/h) |
| 45 mph (72.42 km/h) | 42.76 mph (68.82 km/h) |
| 50 mph (80.47 km/h) | 47.51 mph (76.47 km/h) |
| 55 mph (88.51 km/h) | 52.27 mph (84.11 km/h) |
| 60 mph (96.56 km/h) | 57.02 mph (91.76 km/h) |
| 65 mph (104.61 km/h) | 61.77 mph (99.41 km/h) |
| 70 mph (112.65 km/h) | 66.52 mph (107.05 km/h) |
| 75 mph (120.7 km/h) | 71.27 mph (114.7 km/h) |
| 80 mph (128.75 km/h) | 76.02 mph (122.35 km/h) |
| 85 mph (136.79 km/h) | 80.77 mph (129.99 km/h) |
| 90 mph (144.84 km/h) | 85.53 mph (137.64 km/h) |
| 95 mph (152.89 km/h) | 90.28 mph (145.29 km/h) |
| 100 mph (160.93 km/h) | 95.03 mph (152.93 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2132 | 2476 | 2667 | 2785 | 2912 | 3002 | 3102 | 3220 | 3383 | 3546 | 3728 | 3873 | 4136 | 4426 | 4653 | 4798 | 4880 | 5179 | 5596 | 6503 |
Better Fuel Economy Factory Ratios Increased Power
