Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 120/80-14 | 120/60-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.56 (547.6) | 19.67 (499.6) | -1.89 (-48) -8.8% |
| Width inches (mm) | 4.72 (120) | 4.72 (120) | 0 (0) 0% |
| Circum. inches (mm) | 67.73 (1720.34) | 61.79 (1569.54) | -5.94 (-150.8) -8.8% |
| Sidewall Height inches (mm) | 3.78 (96) | 2.83 (72) | -0.94 (-24) -25% |
| Revolutions per mile (km) | 935.48 (581.28) | 1025.36 (637.13) | 89.88 (55.85) 9.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.25 mph (29.37 km/h) |
| 25 mph (40.23 km/h) | 22.81 mph (36.71 km/h) |
| 30 mph (48.28 km/h) | 27.37 mph (44.05 km/h) |
| 35 mph (56.33 km/h) | 31.93 mph (51.39 km/h) |
| 40 mph (64.37 km/h) | 36.49 mph (58.73 km/h) |
| 45 mph (72.42 km/h) | 41.06 mph (66.07 km/h) |
| 50 mph (80.47 km/h) | 45.62 mph (73.41 km/h) |
| 55 mph (88.51 km/h) | 50.18 mph (80.76 km/h) |
| 60 mph (96.56 km/h) | 54.74 mph (88.1 km/h) |
| 65 mph (104.61 km/h) | 59.3 mph (95.44 km/h) |
| 70 mph (112.65 km/h) | 63.86 mph (102.78 km/h) |
| 75 mph (120.7 km/h) | 68.43 mph (110.12 km/h) |
| 80 mph (128.75 km/h) | 72.99 mph (117.46 km/h) |
| 85 mph (136.79 km/h) | 77.55 mph (124.8 km/h) |
| 90 mph (144.84 km/h) | 82.11 mph (132.15 km/h) |
| 95 mph (152.89 km/h) | 86.67 mph (139.49 km/h) |
| 100 mph (160.93 km/h) | 91.23 mph (146.83 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
