Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/60-14 | 245/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.61 (523.6) | 24.61 (625.1) | 4 (101.5) 19.4% |
| Width inches (mm) | 5.51 (140) | 9.65 (245) | 4.13 (105) 75% |
| Circum. inches (mm) | 64.76 (1644.94) | 77.32 (1963.81) | 12.55 (318.87) 19.4% |
| Sidewall Height inches (mm) | 3.31 (84) | 5.31 (134.75) | 2 (50.75) 60.4% |
| Revolutions per mile (km) | 978.36 (607.92) | 819.5 (509.21) | -158.86 (-98.71) -16.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.88 mph (38.43 km/h) |
| 25 mph (40.23 km/h) | 29.85 mph (48.03 km/h) |
| 30 mph (48.28 km/h) | 35.82 mph (57.64 km/h) |
| 35 mph (56.33 km/h) | 41.78 mph (67.25 km/h) |
| 40 mph (64.37 km/h) | 47.75 mph (76.85 km/h) |
| 45 mph (72.42 km/h) | 53.72 mph (86.46 km/h) |
| 50 mph (80.47 km/h) | 59.69 mph (96.07 km/h) |
| 55 mph (88.51 km/h) | 65.66 mph (105.67 km/h) |
| 60 mph (96.56 km/h) | 71.63 mph (115.28 km/h) |
| 65 mph (104.61 km/h) | 77.6 mph (124.89 km/h) |
| 70 mph (112.65 km/h) | 83.57 mph (134.49 km/h) |
| 75 mph (120.7 km/h) | 89.54 mph (144.1 km/h) |
| 80 mph (128.75 km/h) | 95.51 mph (153.71 km/h) |
| 85 mph (136.79 km/h) | 101.48 mph (163.31 km/h) |
| 90 mph (144.84 km/h) | 107.45 mph (172.92 km/h) |
| 95 mph (152.89 km/h) | 113.42 mph (182.53 km/h) |
| 100 mph (160.93 km/h) | 119.39 mph (192.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2085 | 2423 | 2609 | 2724 | 2849 | 2937 | 3035 | 3150 | 3310 | 3470 | 3647 | 3789 | 4047 | 4331 | 4553 | 4695 | 4774 | 5067 | 5475 | 6363 |
Better Fuel Economy Factory Ratios Increased Power
