Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/55-14 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.01 (559.1) | 23.47 (596.1) | 1.46 (37) 6.6% |
| Width inches (mm) | 7.28 (185) | 7.28 (185) | 0 (0) 0% |
| Circum. inches (mm) | 69.15 (1756.46) | 73.73 (1872.7) | 4.58 (116.24) 6.6% |
| Sidewall Height inches (mm) | 4.01 (101.75) | 4.73 (120.25) | 0.73 (18.5) 18.2% |
| Revolutions per mile (km) | 916.24 (569.32) | 859.37 (533.99) | -56.87 (-35.34) -6.2% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.32 mph (34.32 km/h) |
| 25 mph (40.23 km/h) | 26.65 mph (42.9 km/h) |
| 30 mph (48.28 km/h) | 31.99 mph (51.48 km/h) |
| 35 mph (56.33 km/h) | 37.32 mph (60.05 km/h) |
| 40 mph (64.37 km/h) | 42.65 mph (68.63 km/h) |
| 45 mph (72.42 km/h) | 47.98 mph (77.21 km/h) |
| 50 mph (80.47 km/h) | 53.31 mph (85.79 km/h) |
| 55 mph (88.51 km/h) | 58.64 mph (94.37 km/h) |
| 60 mph (96.56 km/h) | 63.97 mph (102.95 km/h) |
| 65 mph (104.61 km/h) | 69.3 mph (111.53 km/h) |
| 70 mph (112.65 km/h) | 74.63 mph (120.11 km/h) |
| 75 mph (120.7 km/h) | 79.96 mph (128.69 km/h) |
| 80 mph (128.75 km/h) | 85.29 mph (137.27 km/h) |
| 85 mph (136.79 km/h) | 90.63 mph (145.85 km/h) |
| 90 mph (144.84 km/h) | 95.96 mph (154.43 km/h) |
| 95 mph (152.89 km/h) | 101.29 mph (163.01 km/h) |
| 100 mph (160.93 km/h) | 106.62 mph (171.59 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2187 | 2541 | 2736 | 2857 | 2987 | 3080 | 3183 | 3304 | 3471 | 3639 | 3825 | 3974 | 4244 | 4541 | 4774 | 4923 | 5007 | 5314 | 5742 | 6672 |
Better Fuel Economy Factory Ratios Increased Power
