Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 125/90-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 22.86 (580.6) | -0.28 (-7) -1.2% |
| Width inches (mm) | 5.71 (145) | 4.92 (125) | -0.79 (-20) -13.8% |
| Circum. inches (mm) | 72.68 (1846) | 71.81 (1824.01) | -0.87 (-21.99) -1.2% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.43 (112.5) | -0.14 (-3.5) -3% |
| Revolutions per mile (km) | 871.8 (541.71) | 882.31 (548.24) | 10.51 (6.53) 1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.76 mph (31.8 km/h) |
| 25 mph (40.23 km/h) | 24.7 mph (39.75 km/h) |
| 30 mph (48.28 km/h) | 29.64 mph (47.71 km/h) |
| 35 mph (56.33 km/h) | 34.58 mph (55.66 km/h) |
| 40 mph (64.37 km/h) | 39.52 mph (63.61 km/h) |
| 45 mph (72.42 km/h) | 44.46 mph (71.56 km/h) |
| 50 mph (80.47 km/h) | 49.4 mph (79.51 km/h) |
| 55 mph (88.51 km/h) | 54.34 mph (87.46 km/h) |
| 60 mph (96.56 km/h) | 59.29 mph (95.41 km/h) |
| 65 mph (104.61 km/h) | 64.23 mph (103.36 km/h) |
| 70 mph (112.65 km/h) | 69.17 mph (111.31 km/h) |
| 75 mph (120.7 km/h) | 74.11 mph (119.26 km/h) |
| 80 mph (128.75 km/h) | 79.05 mph (127.21 km/h) |
| 85 mph (136.79 km/h) | 83.99 mph (135.16 km/h) |
| 90 mph (144.84 km/h) | 88.93 mph (143.12 km/h) |
| 95 mph (152.89 km/h) | 93.87 mph (151.07 km/h) |
| 100 mph (160.93 km/h) | 98.81 mph (159.02 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2245 | 2608 | 2809 | 2933 | 3067 | 3163 | 3268 | 3392 | 3564 | 3736 | 3927 | 4080 | 4357 | 4663 | 4901 | 5054 | 5140 | 5456 | 5895 | 6851 |
Better Fuel Economy Factory Ratios Increased Power
