Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/80-17 | 125/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.87 (631.8) | 22.89 (581.4) | -1.98 (-50.4) -8% |
| Width inches (mm) | 4.92 (125) | 4.92 (125) | 0 (0) 0% |
| Circum. inches (mm) | 78.14 (1984.86) | 71.91 (1826.52) | -6.23 (-158.34) -8% |
| Sidewall Height inches (mm) | 3.94 (100) | 3.44 (87.5) | -0.49 (-12.5) -12.5% |
| Revolutions per mile (km) | 810.81 (503.81) | 881.1 (547.49) | 70.29 (43.67) 8.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.4 mph (29.62 km/h) |
| 25 mph (40.23 km/h) | 23.01 mph (37.02 km/h) |
| 30 mph (48.28 km/h) | 27.61 mph (44.43 km/h) |
| 35 mph (56.33 km/h) | 32.21 mph (51.83 km/h) |
| 40 mph (64.37 km/h) | 36.81 mph (59.24 km/h) |
| 45 mph (72.42 km/h) | 41.41 mph (66.64 km/h) |
| 50 mph (80.47 km/h) | 46.01 mph (74.05 km/h) |
| 55 mph (88.51 km/h) | 50.61 mph (81.45 km/h) |
| 60 mph (96.56 km/h) | 55.21 mph (88.86 km/h) |
| 65 mph (104.61 km/h) | 59.81 mph (96.26 km/h) |
| 70 mph (112.65 km/h) | 64.42 mph (103.67 km/h) |
| 75 mph (120.7 km/h) | 69.02 mph (111.07 km/h) |
| 80 mph (128.75 km/h) | 73.62 mph (118.48 km/h) |
| 85 mph (136.79 km/h) | 78.22 mph (125.88 km/h) |
| 90 mph (144.84 km/h) | 82.82 mph (133.29 km/h) |
| 95 mph (152.89 km/h) | 87.42 mph (140.69 km/h) |
| 100 mph (160.93 km/h) | 92.02 mph (148.1 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2242 | 2605 | 2805 | 2929 | 3063 | 3158 | 3263 | 3387 | 3559 | 3731 | 3922 | 4074 | 4351 | 4656 | 4895 | 5047 | 5133 | 5448 | 5887 | 6841 |
Better Fuel Economy Factory Ratios Increased Power
