Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/75-14 | 205/78-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.74 (603.1) | 26.59 (675.4) | 2.85 (72.3) 12% |
| Width inches (mm) | 6.5 (165) | 8.07 (205) | 1.57 (40) 24.2% |
| Circum. inches (mm) | 74.59 (1894.69) | 83.54 (2121.83) | 8.94 (227.14) 12% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.3 (159.9) | 1.42 (36.15) 29.2% |
| Revolutions per mile (km) | 849.39 (527.79) | 758.47 (471.29) | -90.93 (-56.5) -10.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.4 mph (36.05 km/h) |
| 25 mph (40.23 km/h) | 28 mph (45.06 km/h) |
| 30 mph (48.28 km/h) | 33.6 mph (54.07 km/h) |
| 35 mph (56.33 km/h) | 39.2 mph (63.08 km/h) |
| 40 mph (64.37 km/h) | 44.8 mph (72.09 km/h) |
| 45 mph (72.42 km/h) | 50.39 mph (81.1 km/h) |
| 50 mph (80.47 km/h) | 55.99 mph (90.11 km/h) |
| 55 mph (88.51 km/h) | 61.59 mph (99.13 km/h) |
| 60 mph (96.56 km/h) | 67.19 mph (108.14 km/h) |
| 65 mph (104.61 km/h) | 72.79 mph (117.15 km/h) |
| 70 mph (112.65 km/h) | 78.39 mph (126.16 km/h) |
| 75 mph (120.7 km/h) | 83.99 mph (135.17 km/h) |
| 80 mph (128.75 km/h) | 89.59 mph (144.18 km/h) |
| 85 mph (136.79 km/h) | 95.19 mph (153.19 km/h) |
| 90 mph (144.84 km/h) | 100.79 mph (162.2 km/h) |
| 95 mph (152.89 km/h) | 106.39 mph (171.22 km/h) |
| 100 mph (160.93 km/h) | 111.99 mph (180.23 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1930 | 2242 | 2415 | 2522 | 2637 | 2719 | 2809 | 2916 | 3064 | 3211 | 3376 | 3507 | 3745 | 4008 | 4213 | 4345 | 4419 | 4690 | 5068 | 5889 |
Better Fuel Economy Factory Ratios Increased Power
