Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-14 | 175/80-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.38 (670.1) | 25.02 (635.6) | -1.36 (-34.5) -5.1% |
| Width inches (mm) | 7.28 (185) | 6.89 (175) | -0.39 (-10) -5.4% |
| Circum. inches (mm) | 82.88 (2105.18) | 78.61 (1996.8) | -4.27 (-108.38) -5.1% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 5.51 (140) | -0.68 (-17.25) -11% |
| Revolutions per mile (km) | 764.47 (475.02) | 805.96 (500.8) | 41.49 (25.78) 5.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.97 mph (30.53 km/h) |
| 25 mph (40.23 km/h) | 23.71 mph (38.16 km/h) |
| 30 mph (48.28 km/h) | 28.46 mph (45.79 km/h) |
| 35 mph (56.33 km/h) | 33.2 mph (53.43 km/h) |
| 40 mph (64.37 km/h) | 37.94 mph (61.06 km/h) |
| 45 mph (72.42 km/h) | 42.68 mph (68.69 km/h) |
| 50 mph (80.47 km/h) | 47.43 mph (76.32 km/h) |
| 55 mph (88.51 km/h) | 52.17 mph (83.96 km/h) |
| 60 mph (96.56 km/h) | 56.91 mph (91.59 km/h) |
| 65 mph (104.61 km/h) | 61.65 mph (99.22 km/h) |
| 70 mph (112.65 km/h) | 66.4 mph (106.85 km/h) |
| 75 mph (120.7 km/h) | 71.14 mph (114.49 km/h) |
| 80 mph (128.75 km/h) | 75.88 mph (122.12 km/h) |
| 85 mph (136.79 km/h) | 80.62 mph (129.75 km/h) |
| 90 mph (144.84 km/h) | 85.37 mph (137.38 km/h) |
| 95 mph (152.89 km/h) | 90.11 mph (145.02 km/h) |
| 100 mph (160.93 km/h) | 94.85 mph (152.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2051 | 2383 | 2566 | 2679 | 2802 | 2889 | 2985 | 3098 | 3255 | 3413 | 3587 | 3727 | 3980 | 4259 | 4477 | 4617 | 4696 | 4984 | 5385 | 6258 |
Better Fuel Economy Factory Ratios Increased Power
