Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-14 | 125/100-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.13 (587.6) | 23.84 (605.6) | 0.71 (18) 3.1% |
| Width inches (mm) | 5.71 (145) | 4.92 (125) | -0.79 (-20) -13.8% |
| Circum. inches (mm) | 72.68 (1846) | 74.9 (1902.55) | 2.23 (56.55) 3.1% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.92 (125) | 0.35 (9) 7.8% |
| Revolutions per mile (km) | 871.8 (541.71) | 845.89 (525.61) | -25.91 (-16.1) -3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.61 mph (33.17 km/h) |
| 25 mph (40.23 km/h) | 25.77 mph (41.47 km/h) |
| 30 mph (48.28 km/h) | 30.92 mph (49.76 km/h) |
| 35 mph (56.33 km/h) | 36.07 mph (58.05 km/h) |
| 40 mph (64.37 km/h) | 41.23 mph (66.35 km/h) |
| 45 mph (72.42 km/h) | 46.38 mph (74.64 km/h) |
| 50 mph (80.47 km/h) | 51.53 mph (82.93 km/h) |
| 55 mph (88.51 km/h) | 56.68 mph (91.23 km/h) |
| 60 mph (96.56 km/h) | 61.84 mph (99.52 km/h) |
| 65 mph (104.61 km/h) | 66.99 mph (107.81 km/h) |
| 70 mph (112.65 km/h) | 72.14 mph (116.11 km/h) |
| 75 mph (120.7 km/h) | 77.3 mph (124.4 km/h) |
| 80 mph (128.75 km/h) | 82.45 mph (132.69 km/h) |
| 85 mph (136.79 km/h) | 87.6 mph (140.98 km/h) |
| 90 mph (144.84 km/h) | 92.76 mph (149.28 km/h) |
| 95 mph (152.89 km/h) | 97.91 mph (157.57 km/h) |
| 100 mph (160.93 km/h) | 103.06 mph (165.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2153 | 2501 | 2693 | 2812 | 2940 | 3032 | 3133 | 3252 | 3417 | 3582 | 3765 | 3911 | 4177 | 4470 | 4699 | 4846 | 4928 | 5230 | 5652 | 6568 |
Better Fuel Economy Factory Ratios Increased Power
