Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/55-14 | 175/50-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.71 (526.1) | 20.89 (530.6) | 0.18 (4.5) 0.9% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 65.07 (1652.79) | 65.63 (1666.93) | 0.56 (14.14) 0.9% |
| Sidewall Height inches (mm) | 3.36 (85.25) | 3.44 (87.5) | 0.09 (2.25) 2.6% |
| Revolutions per mile (km) | 973.71 (605.04) | 965.45 (599.9) | -8.26 (-5.13) -0.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.17 mph (32.46 km/h) |
| 25 mph (40.23 km/h) | 25.21 mph (40.58 km/h) |
| 30 mph (48.28 km/h) | 30.26 mph (48.69 km/h) |
| 35 mph (56.33 km/h) | 35.3 mph (56.81 km/h) |
| 40 mph (64.37 km/h) | 40.34 mph (64.92 km/h) |
| 45 mph (72.42 km/h) | 45.38 mph (73.04 km/h) |
| 50 mph (80.47 km/h) | 50.43 mph (81.16 km/h) |
| 55 mph (88.51 km/h) | 55.47 mph (89.27 km/h) |
| 60 mph (96.56 km/h) | 60.51 mph (97.39 km/h) |
| 65 mph (104.61 km/h) | 65.56 mph (105.5 km/h) |
| 70 mph (112.65 km/h) | 70.6 mph (113.62 km/h) |
| 75 mph (120.7 km/h) | 75.64 mph (121.73 km/h) |
| 80 mph (128.75 km/h) | 80.68 mph (129.85 km/h) |
| 85 mph (136.79 km/h) | 85.73 mph (137.96 km/h) |
| 90 mph (144.84 km/h) | 90.77 mph (146.08 km/h) |
| 95 mph (152.89 km/h) | 95.81 mph (154.2 km/h) |
| 100 mph (160.93 km/h) | 100.86 mph (162.31 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
