Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-15 | 135/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.87 (581) | 22.5 (571.6) | -0.37 (-9.4) -1.6% |
| Width inches (mm) | 4.92 (125) | 5.31 (135) | 0.39 (10) 8% |
| Circum. inches (mm) | 71.86 (1825.27) | 70.7 (1795.73) | -1.16 (-29.53) -1.6% |
| Sidewall Height inches (mm) | 3.94 (100) | 4.25 (108) | 0.31 (8) 8% |
| Revolutions per mile (km) | 881.7 (547.86) | 896.2 (556.87) | 14.5 (9.01) 1.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.68 mph (31.67 km/h) |
| 25 mph (40.23 km/h) | 24.6 mph (39.58 km/h) |
| 30 mph (48.28 km/h) | 29.51 mph (47.5 km/h) |
| 35 mph (56.33 km/h) | 34.43 mph (55.42 km/h) |
| 40 mph (64.37 km/h) | 39.35 mph (63.33 km/h) |
| 45 mph (72.42 km/h) | 44.27 mph (71.25 km/h) |
| 50 mph (80.47 km/h) | 49.19 mph (79.17 km/h) |
| 55 mph (88.51 km/h) | 54.11 mph (87.08 km/h) |
| 60 mph (96.56 km/h) | 59.03 mph (95 km/h) |
| 65 mph (104.61 km/h) | 63.95 mph (102.92 km/h) |
| 70 mph (112.65 km/h) | 68.87 mph (110.83 km/h) |
| 75 mph (120.7 km/h) | 73.79 mph (118.75 km/h) |
| 80 mph (128.75 km/h) | 78.71 mph (126.66 km/h) |
| 85 mph (136.79 km/h) | 83.62 mph (134.58 km/h) |
| 90 mph (144.84 km/h) | 88.54 mph (142.5 km/h) |
| 95 mph (152.89 km/h) | 93.46 mph (150.41 km/h) |
| 100 mph (160.93 km/h) | 98.38 mph (158.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2281 | 2649 | 2853 | 2979 | 3115 | 3212 | 3319 | 3445 | 3620 | 3795 | 3989 | 4144 | 4425 | 4736 | 4979 | 5134 | 5221 | 5542 | 5988 | 6958 |
Better Fuel Economy Factory Ratios Increased Power
