Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/85-16 | 125/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.37 (618.9) | 23.37 (593.5) | -1 (-25.4) -4.1% |
| Width inches (mm) | 4.92 (125) | 4.92 (125) | 0 (0) 0% |
| Circum. inches (mm) | 76.55 (1944.33) | 73.41 (1864.54) | -3.14 (-79.8) -4.1% |
| Sidewall Height inches (mm) | 4.18 (106.25) | 4.18 (106.25) | 0 (0) 0% |
| Revolutions per mile (km) | 827.71 (514.31) | 863.13 (536.33) | 35.42 (22.01) 4.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.18 mph (30.87 km/h) |
| 25 mph (40.23 km/h) | 23.97 mph (38.58 km/h) |
| 30 mph (48.28 km/h) | 28.77 mph (46.3 km/h) |
| 35 mph (56.33 km/h) | 33.56 mph (54.02 km/h) |
| 40 mph (64.37 km/h) | 38.36 mph (61.73 km/h) |
| 45 mph (72.42 km/h) | 43.15 mph (69.45 km/h) |
| 50 mph (80.47 km/h) | 47.95 mph (77.16 km/h) |
| 55 mph (88.51 km/h) | 52.74 mph (84.88 km/h) |
| 60 mph (96.56 km/h) | 57.54 mph (92.6 km/h) |
| 65 mph (104.61 km/h) | 62.33 mph (100.31 km/h) |
| 70 mph (112.65 km/h) | 67.13 mph (108.03 km/h) |
| 75 mph (120.7 km/h) | 71.92 mph (115.75 km/h) |
| 80 mph (128.75 km/h) | 76.72 mph (123.46 km/h) |
| 85 mph (136.79 km/h) | 81.51 mph (131.18 km/h) |
| 90 mph (144.84 km/h) | 86.31 mph (138.9 km/h) |
| 95 mph (152.89 km/h) | 91.1 mph (146.61 km/h) |
| 100 mph (160.93 km/h) | 95.9 mph (154.33 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2197 | 2552 | 2748 | 2869 | 3000 | 3094 | 3197 | 3318 | 3486 | 3655 | 3842 | 3991 | 4262 | 4561 | 4795 | 4944 | 5029 | 5337 | 5767 | 6702 |
Better Fuel Economy Factory Ratios Increased Power
