Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-15 | 125/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.87 (581) | 21.89 (556) | -0.98 (-25) -4.3% |
| Width inches (mm) | 4.92 (125) | 4.92 (125) | 0 (0) 0% |
| Circum. inches (mm) | 71.86 (1825.27) | 68.77 (1746.73) | -3.09 (-78.54) -4.3% |
| Sidewall Height inches (mm) | 3.94 (100) | 3.44 (87.5) | -0.49 (-12.5) -12.5% |
| Revolutions per mile (km) | 881.7 (547.86) | 921.35 (572.5) | 39.64 (24.63) 4.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.14 mph (30.8 km/h) |
| 25 mph (40.23 km/h) | 23.92 mph (38.5 km/h) |
| 30 mph (48.28 km/h) | 28.71 mph (46.2 km/h) |
| 35 mph (56.33 km/h) | 33.49 mph (53.9 km/h) |
| 40 mph (64.37 km/h) | 38.28 mph (61.6 km/h) |
| 45 mph (72.42 km/h) | 43.06 mph (69.3 km/h) |
| 50 mph (80.47 km/h) | 47.85 mph (77 km/h) |
| 55 mph (88.51 km/h) | 52.63 mph (84.71 km/h) |
| 60 mph (96.56 km/h) | 57.42 mph (92.41 km/h) |
| 65 mph (104.61 km/h) | 62.2 mph (100.11 km/h) |
| 70 mph (112.65 km/h) | 66.99 mph (107.81 km/h) |
| 75 mph (120.7 km/h) | 71.77 mph (115.51 km/h) |
| 80 mph (128.75 km/h) | 76.56 mph (123.21 km/h) |
| 85 mph (136.79 km/h) | 81.34 mph (130.91 km/h) |
| 90 mph (144.84 km/h) | 86.13 mph (138.61 km/h) |
| 95 mph (152.89 km/h) | 90.91 mph (146.31 km/h) |
| 100 mph (160.93 km/h) | 95.7 mph (154.01 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
