Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/65-12 | 120/70-12 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 18.4 (467.3) | 18.61 (472.8) | 0.22 (5.5) 1.2% |
| Width inches (mm) | 4.92 (125) | 4.72 (120) | -0.2 (-5) -4% |
| Circum. inches (mm) | 57.8 (1468.07) | 58.48 (1485.35) | 0.68 (17.28) 1.2% |
| Sidewall Height inches (mm) | 3.2 (81.25) | 3.31 (84) | 0.11 (2.75) 3.4% |
| Revolutions per mile (km) | 1096.23 (681.17) | 1083.48 (673.24) | -12.75 (-7.92) -1.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.24 mph (32.57 km/h) |
| 25 mph (40.23 km/h) | 25.29 mph (40.71 km/h) |
| 30 mph (48.28 km/h) | 30.35 mph (48.85 km/h) |
| 35 mph (56.33 km/h) | 35.41 mph (56.99 km/h) |
| 40 mph (64.37 km/h) | 40.47 mph (65.13 km/h) |
| 45 mph (72.42 km/h) | 45.53 mph (73.27 km/h) |
| 50 mph (80.47 km/h) | 50.59 mph (81.41 km/h) |
| 55 mph (88.51 km/h) | 55.65 mph (89.56 km/h) |
| 60 mph (96.56 km/h) | 60.71 mph (97.7 km/h) |
| 65 mph (104.61 km/h) | 65.77 mph (105.84 km/h) |
| 70 mph (112.65 km/h) | 70.82 mph (113.98 km/h) |
| 75 mph (120.7 km/h) | 75.88 mph (122.12 km/h) |
| 80 mph (128.75 km/h) | 80.94 mph (130.26 km/h) |
| 85 mph (136.79 km/h) | 86 mph (138.4 km/h) |
| 90 mph (144.84 km/h) | 91.06 mph (146.55 km/h) |
| 95 mph (152.89 km/h) | 96.12 mph (154.69 km/h) |
| 100 mph (160.93 km/h) | 101.18 mph (162.83 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
