Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-15 | 125/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.89 (556) | 22.38 (568.5) | 0.49 (12.5) 2.2% |
| Width inches (mm) | 4.92 (125) | 4.92 (125) | 0 (0) 0% |
| Circum. inches (mm) | 68.77 (1746.73) | 70.31 (1786) | 1.55 (39.27) 2.2% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 3.69 (93.75) | 0.25 (6.25) 7.1% |
| Revolutions per mile (km) | 921.35 (572.5) | 901.09 (559.91) | -20.26 (-12.59) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.91 km/h) |
| 25 mph (40.23 km/h) | 25.56 mph (41.14 km/h) |
| 30 mph (48.28 km/h) | 30.67 mph (49.37 km/h) |
| 35 mph (56.33 km/h) | 35.79 mph (57.59 km/h) |
| 40 mph (64.37 km/h) | 40.9 mph (65.82 km/h) |
| 45 mph (72.42 km/h) | 46.01 mph (74.05 km/h) |
| 50 mph (80.47 km/h) | 51.12 mph (82.28 km/h) |
| 55 mph (88.51 km/h) | 56.24 mph (90.5 km/h) |
| 60 mph (96.56 km/h) | 61.35 mph (98.73 km/h) |
| 65 mph (104.61 km/h) | 66.46 mph (106.96 km/h) |
| 70 mph (112.65 km/h) | 71.57 mph (115.19 km/h) |
| 75 mph (120.7 km/h) | 76.69 mph (123.41 km/h) |
| 80 mph (128.75 km/h) | 81.8 mph (131.64 km/h) |
| 85 mph (136.79 km/h) | 86.91 mph (139.87 km/h) |
| 90 mph (144.84 km/h) | 92.02 mph (148.1 km/h) |
| 95 mph (152.89 km/h) | 97.14 mph (156.33 km/h) |
| 100 mph (160.93 km/h) | 102.25 mph (164.55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2293 | 2664 | 2869 | 2996 | 3132 | 3230 | 3337 | 3464 | 3640 | 3815 | 4010 | 4167 | 4450 | 4762 | 5006 | 5162 | 5250 | 5572 | 6021 | 6996 |
Better Fuel Economy Factory Ratios Increased Power
