Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 115/70-15 | 125/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.34 (542) | 22.89 (581.4) | 1.55 (39.4) 7.3% |
| Width inches (mm) | 4.53 (115) | 4.92 (125) | 0.39 (10) 8.7% |
| Circum. inches (mm) | 67.04 (1702.74) | 71.91 (1826.52) | 4.87 (123.78) 7.3% |
| Sidewall Height inches (mm) | 3.17 (80.5) | 3.44 (87.5) | 0.28 (7) 8.7% |
| Revolutions per mile (km) | 945.15 (587.29) | 881.1 (547.49) | -64.05 (-39.8) -6.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.45 mph (34.53 km/h) |
| 25 mph (40.23 km/h) | 26.82 mph (43.16 km/h) |
| 30 mph (48.28 km/h) | 32.18 mph (51.79 km/h) |
| 35 mph (56.33 km/h) | 37.54 mph (60.42 km/h) |
| 40 mph (64.37 km/h) | 42.91 mph (69.05 km/h) |
| 45 mph (72.42 km/h) | 48.27 mph (77.69 km/h) |
| 50 mph (80.47 km/h) | 53.63 mph (86.32 km/h) |
| 55 mph (88.51 km/h) | 59 mph (94.95 km/h) |
| 60 mph (96.56 km/h) | 64.36 mph (103.58 km/h) |
| 65 mph (104.61 km/h) | 69.73 mph (112.21 km/h) |
| 70 mph (112.65 km/h) | 75.09 mph (120.84 km/h) |
| 75 mph (120.7 km/h) | 80.45 mph (129.48 km/h) |
| 80 mph (128.75 km/h) | 85.82 mph (138.11 km/h) |
| 85 mph (136.79 km/h) | 91.18 mph (146.74 km/h) |
| 90 mph (144.84 km/h) | 96.54 mph (155.37 km/h) |
| 95 mph (152.89 km/h) | 101.91 mph (164 km/h) |
| 100 mph (160.93 km/h) | 107.27 mph (172.63 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
