Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-16 | 165/50-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.15 (587.9) | 21.5 (546) | -1.65 (-41.9) -7.1% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 72.71 (1846.94) | 67.53 (1715.31) | -5.18 (-131.63) -7.1% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 3.25 (82.5) | -0.32 (-8.25) -9.1% |
| Revolutions per mile (km) | 871.36 (541.43) | 938.22 (582.98) | 66.87 (41.55) 7.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.57 mph (29.89 km/h) |
| 25 mph (40.23 km/h) | 23.22 mph (37.37 km/h) |
| 30 mph (48.28 km/h) | 27.86 mph (44.84 km/h) |
| 35 mph (56.33 km/h) | 32.51 mph (52.31 km/h) |
| 40 mph (64.37 km/h) | 37.15 mph (59.79 km/h) |
| 45 mph (72.42 km/h) | 41.79 mph (67.26 km/h) |
| 50 mph (80.47 km/h) | 46.44 mph (74.73 km/h) |
| 55 mph (88.51 km/h) | 51.08 mph (82.21 km/h) |
| 60 mph (96.56 km/h) | 55.72 mph (89.68 km/h) |
| 65 mph (104.61 km/h) | 60.37 mph (97.15 km/h) |
| 70 mph (112.65 km/h) | 65.01 mph (104.63 km/h) |
| 75 mph (120.7 km/h) | 69.65 mph (112.1 km/h) |
| 80 mph (128.75 km/h) | 74.3 mph (119.57 km/h) |
| 85 mph (136.79 km/h) | 78.94 mph (127.05 km/h) |
| 90 mph (144.84 km/h) | 83.59 mph (134.52 km/h) |
| 95 mph (152.89 km/h) | 88.23 mph (141.99 km/h) |
| 100 mph (160.93 km/h) | 92.87 mph (149.46 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
