Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-16 | 185/50-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.15 (587.9) | 23.28 (591.4) | 0.14 (3.5) 0.6% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 72.71 (1846.94) | 73.15 (1857.94) | 0.43 (11) 0.6% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 3.64 (92.5) | 0.07 (1.75) 1.9% |
| Revolutions per mile (km) | 871.36 (541.43) | 866.2 (538.23) | -5.16 (-3.2) -0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.12 mph (32.38 km/h) |
| 25 mph (40.23 km/h) | 25.15 mph (40.47 km/h) |
| 30 mph (48.28 km/h) | 30.18 mph (48.57 km/h) |
| 35 mph (56.33 km/h) | 35.21 mph (56.66 km/h) |
| 40 mph (64.37 km/h) | 40.24 mph (64.76 km/h) |
| 45 mph (72.42 km/h) | 45.27 mph (72.85 km/h) |
| 50 mph (80.47 km/h) | 50.3 mph (80.95 km/h) |
| 55 mph (88.51 km/h) | 55.33 mph (89.04 km/h) |
| 60 mph (96.56 km/h) | 60.36 mph (97.14 km/h) |
| 65 mph (104.61 km/h) | 65.39 mph (105.23 km/h) |
| 70 mph (112.65 km/h) | 70.42 mph (113.32 km/h) |
| 75 mph (120.7 km/h) | 75.45 mph (121.42 km/h) |
| 80 mph (128.75 km/h) | 80.48 mph (129.51 km/h) |
| 85 mph (136.79 km/h) | 85.51 mph (137.61 km/h) |
| 90 mph (144.84 km/h) | 90.54 mph (145.7 km/h) |
| 95 mph (152.89 km/h) | 95.57 mph (153.8 km/h) |
| 100 mph (160.93 km/h) | 100.6 mph (161.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2204 | 2561 | 2758 | 2880 | 3011 | 3105 | 3208 | 3330 | 3499 | 3668 | 3855 | 4005 | 4277 | 4577 | 4812 | 4962 | 5046 | 5356 | 5787 | 6725 |
Better Fuel Economy Factory Ratios Increased Power
