Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/85-14 | 165/85-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.38 (670.1) | 25.04 (636.1) | -1.34 (-34) -5.1% |
| Width inches (mm) | 7.28 (185) | 6.5 (165) | -0.79 (-20) -10.8% |
| Circum. inches (mm) | 82.88 (2105.18) | 78.68 (1998.37) | -4.21 (-106.81) -5.1% |
| Sidewall Height inches (mm) | 6.19 (157.25) | 5.52 (140.25) | -0.67 (-17) -10.8% |
| Revolutions per mile (km) | 764.47 (475.02) | 805.33 (500.41) | 40.86 (25.39) 5.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.99 mph (30.55 km/h) |
| 25 mph (40.23 km/h) | 23.73 mph (38.19 km/h) |
| 30 mph (48.28 km/h) | 28.48 mph (45.83 km/h) |
| 35 mph (56.33 km/h) | 33.22 mph (53.47 km/h) |
| 40 mph (64.37 km/h) | 37.97 mph (61.11 km/h) |
| 45 mph (72.42 km/h) | 42.72 mph (68.75 km/h) |
| 50 mph (80.47 km/h) | 47.46 mph (76.38 km/h) |
| 55 mph (88.51 km/h) | 52.21 mph (84.02 km/h) |
| 60 mph (96.56 km/h) | 56.96 mph (91.66 km/h) |
| 65 mph (104.61 km/h) | 61.7 mph (99.3 km/h) |
| 70 mph (112.65 km/h) | 66.45 mph (106.94 km/h) |
| 75 mph (120.7 km/h) | 71.19 mph (114.58 km/h) |
| 80 mph (128.75 km/h) | 75.94 mph (122.22 km/h) |
| 85 mph (136.79 km/h) | 80.69 mph (129.85 km/h) |
| 90 mph (144.84 km/h) | 85.43 mph (137.49 km/h) |
| 95 mph (152.89 km/h) | 90.18 mph (145.13 km/h) |
| 100 mph (160.93 km/h) | 94.93 mph (152.77 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2049 | 2381 | 2564 | 2677 | 2799 | 2887 | 2983 | 3096 | 3253 | 3410 | 3584 | 3724 | 3977 | 4256 | 4474 | 4613 | 4692 | 4980 | 5381 | 6253 |
Better Fuel Economy Factory Ratios Increased Power
