Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 175/110-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 29.16 (740.6) | 3.82 (97) 15.1% |
| Width inches (mm) | 7.09 (180) | 6.89 (175) | -0.2 (-5) -2.8% |
| Circum. inches (mm) | 79.6 (2021.93) | 91.6 (2326.66) | 12 (304.73) 15.1% |
| Sidewall Height inches (mm) | 5.67 (144) | 7.58 (192.5) | 1.91 (48.5) 33.7% |
| Revolutions per mile (km) | 795.94 (494.58) | 691.7 (429.8) | -104.25 (-64.78) -13.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.01 mph (37.04 km/h) |
| 25 mph (40.23 km/h) | 28.77 mph (46.3 km/h) |
| 30 mph (48.28 km/h) | 34.52 mph (55.56 km/h) |
| 35 mph (56.33 km/h) | 40.28 mph (64.82 km/h) |
| 40 mph (64.37 km/h) | 46.03 mph (74.08 km/h) |
| 45 mph (72.42 km/h) | 51.78 mph (83.34 km/h) |
| 50 mph (80.47 km/h) | 57.54 mph (92.59 km/h) |
| 55 mph (88.51 km/h) | 63.29 mph (101.85 km/h) |
| 60 mph (96.56 km/h) | 69.04 mph (111.11 km/h) |
| 65 mph (104.61 km/h) | 74.8 mph (120.37 km/h) |
| 70 mph (112.65 km/h) | 80.55 mph (129.63 km/h) |
| 75 mph (120.7 km/h) | 86.3 mph (138.89 km/h) |
| 80 mph (128.75 km/h) | 92.06 mph (148.15 km/h) |
| 85 mph (136.79 km/h) | 97.81 mph (157.41 km/h) |
| 90 mph (144.84 km/h) | 103.56 mph (166.67 km/h) |
| 95 mph (152.89 km/h) | 109.32 mph (175.93 km/h) |
| 100 mph (160.93 km/h) | 115.07 mph (185.19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1760 | 2045 | 2202 | 2300 | 2404 | 2479 | 2562 | 2659 | 2794 | 2929 | 3079 | 3198 | 3416 | 3655 | 3843 | 3962 | 4030 | 4277 | 4622 | 5371 |
Better Fuel Economy Factory Ratios Increased Power
