Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 125/70-14 | 105/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.89 (530.6) | 19.37 (492.1) | -1.52 (-38.5) -7.3% |
| Width inches (mm) | 4.92 (125) | 4.13 (105) | -0.79 (-20) -16% |
| Circum. inches (mm) | 65.63 (1666.93) | 60.87 (1545.98) | -4.76 (-120.95) -7.3% |
| Sidewall Height inches (mm) | 3.44 (87.5) | 2.69 (68.25) | -0.76 (-19.25) -22% |
| Revolutions per mile (km) | 965.45 (599.9) | 1040.99 (646.84) | 75.53 (46.93) 7.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.55 mph (29.85 km/h) |
| 25 mph (40.23 km/h) | 23.19 mph (37.31 km/h) |
| 30 mph (48.28 km/h) | 27.82 mph (44.78 km/h) |
| 35 mph (56.33 km/h) | 32.46 mph (52.24 km/h) |
| 40 mph (64.37 km/h) | 37.1 mph (59.7 km/h) |
| 45 mph (72.42 km/h) | 41.73 mph (67.17 km/h) |
| 50 mph (80.47 km/h) | 46.37 mph (74.63 km/h) |
| 55 mph (88.51 km/h) | 51.01 mph (82.09 km/h) |
| 60 mph (96.56 km/h) | 55.65 mph (89.55 km/h) |
| 65 mph (104.61 km/h) | 60.28 mph (97.02 km/h) |
| 70 mph (112.65 km/h) | 64.92 mph (104.48 km/h) |
| 75 mph (120.7 km/h) | 69.56 mph (111.94 km/h) |
| 80 mph (128.75 km/h) | 74.2 mph (119.41 km/h) |
| 85 mph (136.79 km/h) | 78.83 mph (126.87 km/h) |
| 90 mph (144.84 km/h) | 83.47 mph (134.33 km/h) |
| 95 mph (152.89 km/h) | 88.11 mph (141.79 km/h) |
| 100 mph (160.93 km/h) | 92.74 mph (149.26 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
