Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/80-14 | 130/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.34 (643.6) | 24.21 (615) | -1.13 (-28.6) -4.4% |
| Width inches (mm) | 7.09 (180) | 5.12 (130) | -1.97 (-50) -27.8% |
| Circum. inches (mm) | 79.6 (2021.93) | 76.07 (1932.08) | -3.54 (-89.85) -4.4% |
| Sidewall Height inches (mm) | 5.67 (144) | 4.61 (117) | -1.06 (-27) -18.8% |
| Revolutions per mile (km) | 795.94 (494.58) | 832.96 (517.58) | 37.01 (23) 4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.11 mph (30.76 km/h) |
| 25 mph (40.23 km/h) | 23.89 mph (38.45 km/h) |
| 30 mph (48.28 km/h) | 28.67 mph (46.13 km/h) |
| 35 mph (56.33 km/h) | 33.44 mph (53.82 km/h) |
| 40 mph (64.37 km/h) | 38.22 mph (61.51 km/h) |
| 45 mph (72.42 km/h) | 43 mph (69.2 km/h) |
| 50 mph (80.47 km/h) | 47.78 mph (76.89 km/h) |
| 55 mph (88.51 km/h) | 52.56 mph (84.58 km/h) |
| 60 mph (96.56 km/h) | 57.33 mph (92.27 km/h) |
| 65 mph (104.61 km/h) | 62.11 mph (99.96 km/h) |
| 70 mph (112.65 km/h) | 66.89 mph (107.65 km/h) |
| 75 mph (120.7 km/h) | 71.67 mph (115.34 km/h) |
| 80 mph (128.75 km/h) | 76.44 mph (123.03 km/h) |
| 85 mph (136.79 km/h) | 81.22 mph (130.72 km/h) |
| 90 mph (144.84 km/h) | 86 mph (138.4 km/h) |
| 95 mph (152.89 km/h) | 90.78 mph (146.09 km/h) |
| 100 mph (160.93 km/h) | 95.56 mph (153.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2120 | 2462 | 2652 | 2769 | 2895 | 2986 | 3085 | 3202 | 3364 | 3527 | 3707 | 3852 | 4113 | 4402 | 4627 | 4772 | 4853 | 5150 | 5565 | 6467 |
Better Fuel Economy Factory Ratios Increased Power
