Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/75-16 | 165/85-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.93 (683.9) | 27.04 (686.9) | 0.12 (3) 0.4% |
| Width inches (mm) | 7.28 (185) | 6.5 (165) | -0.79 (-20) -10.8% |
| Circum. inches (mm) | 84.59 (2148.54) | 84.96 (2157.96) | 0.37 (9.42) 0.4% |
| Sidewall Height inches (mm) | 5.46 (138.75) | 5.52 (140.25) | 0.06 (1.5) 1.1% |
| Revolutions per mile (km) | 749.04 (465.43) | 745.77 (463.4) | -3.27 (-2.03) -0.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.09 mph (32.33 km/h) |
| 25 mph (40.23 km/h) | 25.11 mph (40.41 km/h) |
| 30 mph (48.28 km/h) | 30.13 mph (48.49 km/h) |
| 35 mph (56.33 km/h) | 35.15 mph (56.57 km/h) |
| 40 mph (64.37 km/h) | 40.18 mph (64.66 km/h) |
| 45 mph (72.42 km/h) | 45.2 mph (72.74 km/h) |
| 50 mph (80.47 km/h) | 50.22 mph (80.82 km/h) |
| 55 mph (88.51 km/h) | 55.24 mph (88.9 km/h) |
| 60 mph (96.56 km/h) | 60.26 mph (96.98 km/h) |
| 65 mph (104.61 km/h) | 65.29 mph (105.07 km/h) |
| 70 mph (112.65 km/h) | 70.31 mph (113.15 km/h) |
| 75 mph (120.7 km/h) | 75.33 mph (121.23 km/h) |
| 80 mph (128.75 km/h) | 80.35 mph (129.31 km/h) |
| 85 mph (136.79 km/h) | 85.37 mph (137.39 km/h) |
| 90 mph (144.84 km/h) | 90.39 mph (145.48 km/h) |
| 95 mph (152.89 km/h) | 95.42 mph (153.56 km/h) |
| 100 mph (160.93 km/h) | 100.44 mph (161.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1898 | 2205 | 2374 | 2479 | 2592 | 2673 | 2762 | 2867 | 3012 | 3158 | 3319 | 3448 | 3683 | 3941 | 4143 | 4272 | 4345 | 4611 | 4983 | 5790 |
Better Fuel Economy Factory Ratios Increased Power
