Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/60-12 | 120/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 17.67 (448.8) | 20.61 (523.6) | 2.94 (74.8) 16.7% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 55.51 (1409.95) | 64.76 (1644.94) | 9.25 (234.99) 16.7% |
| Sidewall Height inches (mm) | 2.83 (72) | 3.31 (84) | 0.47 (12) 16.7% |
| Revolutions per mile (km) | 1141.42 (709.25) | 978.36 (607.92) | -163.06 (-101.32) -14.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.33 mph (37.55 km/h) |
| 25 mph (40.23 km/h) | 29.17 mph (46.94 km/h) |
| 30 mph (48.28 km/h) | 35 mph (56.33 km/h) |
| 35 mph (56.33 km/h) | 40.83 mph (65.72 km/h) |
| 40 mph (64.37 km/h) | 46.67 mph (75.1 km/h) |
| 45 mph (72.42 km/h) | 52.5 mph (84.49 km/h) |
| 50 mph (80.47 km/h) | 58.33 mph (93.88 km/h) |
| 55 mph (88.51 km/h) | 64.17 mph (103.27 km/h) |
| 60 mph (96.56 km/h) | 70 mph (112.65 km/h) |
| 65 mph (104.61 km/h) | 75.83 mph (122.04 km/h) |
| 70 mph (112.65 km/h) | 81.67 mph (131.43 km/h) |
| 75 mph (120.7 km/h) | 87.5 mph (140.82 km/h) |
| 80 mph (128.75 km/h) | 93.33 mph (150.21 km/h) |
| 85 mph (136.79 km/h) | 99.17 mph (159.59 km/h) |
| 90 mph (144.84 km/h) | 105 mph (168.98 km/h) |
| 95 mph (152.89 km/h) | 110.83 mph (178.37 km/h) |
| 100 mph (160.93 km/h) | 116.67 mph (187.76 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
