Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 130/90-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 26.21 (665.8) | 0.87 (22.2) 3.4% |
| Width inches (mm) | 7.09 (180) | 5.12 (130) | -1.97 (-50) -27.8% |
| Circum. inches (mm) | 79.6 (2021.93) | 82.35 (2091.67) | 2.75 (69.74) 3.4% |
| Sidewall Height inches (mm) | 5.67 (144) | 4.61 (117) | -1.06 (-27) -18.8% |
| Revolutions per mile (km) | 795.94 (494.58) | 769.41 (478.09) | -26.54 (-16.49) -3.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.69 mph (33.3 km/h) |
| 25 mph (40.23 km/h) | 25.86 mph (41.62 km/h) |
| 30 mph (48.28 km/h) | 31.03 mph (49.95 km/h) |
| 35 mph (56.33 km/h) | 36.21 mph (58.27 km/h) |
| 40 mph (64.37 km/h) | 41.38 mph (66.59 km/h) |
| 45 mph (72.42 km/h) | 46.55 mph (74.92 km/h) |
| 50 mph (80.47 km/h) | 51.72 mph (83.24 km/h) |
| 55 mph (88.51 km/h) | 56.9 mph (91.57 km/h) |
| 60 mph (96.56 km/h) | 62.07 mph (99.89 km/h) |
| 65 mph (104.61 km/h) | 67.24 mph (108.22 km/h) |
| 70 mph (112.65 km/h) | 72.41 mph (116.54 km/h) |
| 75 mph (120.7 km/h) | 77.59 mph (124.86 km/h) |
| 80 mph (128.75 km/h) | 82.76 mph (133.19 km/h) |
| 85 mph (136.79 km/h) | 87.93 mph (141.51 km/h) |
| 90 mph (144.84 km/h) | 93.1 mph (149.84 km/h) |
| 95 mph (152.89 km/h) | 98.28 mph (158.16 km/h) |
| 100 mph (160.93 km/h) | 103.45 mph (166.49 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1958 | 2275 | 2450 | 2558 | 2675 | 2758 | 2850 | 2958 | 3108 | 3258 | 3424 | 3558 | 3799 | 4066 | 4274 | 4408 | 4483 | 4757 | 5141 | 5974 |
Better Fuel Economy Factory Ratios Increased Power
