Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/75-16 | 185/75-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.33 (668.9) | 26.93 (683.9) | 0.59 (15) 2.2% |
| Width inches (mm) | 6.89 (175) | 7.28 (185) | 0.39 (10) 5.7% |
| Circum. inches (mm) | 82.73 (2101.41) | 84.59 (2148.54) | 1.86 (47.12) 2.2% |
| Sidewall Height inches (mm) | 5.17 (131.25) | 5.46 (138.75) | 0.3 (7.5) 5.7% |
| Revolutions per mile (km) | 765.84 (475.87) | 749.04 (465.43) | -16.8 (-10.44) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.45 mph (32.91 km/h) |
| 25 mph (40.23 km/h) | 25.56 mph (41.14 km/h) |
| 30 mph (48.28 km/h) | 30.67 mph (49.36 km/h) |
| 35 mph (56.33 km/h) | 35.78 mph (57.59 km/h) |
| 40 mph (64.37 km/h) | 40.9 mph (65.82 km/h) |
| 45 mph (72.42 km/h) | 46.01 mph (74.04 km/h) |
| 50 mph (80.47 km/h) | 51.12 mph (82.27 km/h) |
| 55 mph (88.51 km/h) | 56.23 mph (90.5 km/h) |
| 60 mph (96.56 km/h) | 61.35 mph (98.73 km/h) |
| 65 mph (104.61 km/h) | 66.46 mph (106.95 km/h) |
| 70 mph (112.65 km/h) | 71.57 mph (115.18 km/h) |
| 75 mph (120.7 km/h) | 76.68 mph (123.41 km/h) |
| 80 mph (128.75 km/h) | 81.79 mph (131.63 km/h) |
| 85 mph (136.79 km/h) | 86.91 mph (139.86 km/h) |
| 90 mph (144.84 km/h) | 92.02 mph (148.09 km/h) |
| 95 mph (152.89 km/h) | 97.13 mph (156.32 km/h) |
| 100 mph (160.93 km/h) | 102.24 mph (164.54 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1906 | 2214 | 2385 | 2490 | 2604 | 2685 | 2774 | 2880 | 3026 | 3172 | 3334 | 3464 | 3699 | 3958 | 4161 | 4291 | 4364 | 4632 | 5005 | 5816 |
Better Fuel Economy Factory Ratios Increased Power
