Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 205/50-14 | 185/65-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.07 (560.6) | 23.47 (596.1) | 1.4 (35.5) 6.3% |
| Width inches (mm) | 8.07 (205) | 7.28 (185) | -0.79 (-20) -9.8% |
| Circum. inches (mm) | 69.34 (1761.18) | 73.73 (1872.7) | 4.39 (111.53) 6.3% |
| Sidewall Height inches (mm) | 4.04 (102.5) | 4.73 (120.25) | 0.7 (17.75) 17.3% |
| Revolutions per mile (km) | 913.79 (567.8) | 859.37 (533.99) | -54.42 (-33.81) -6% |
185/65-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.27 mph (34.23 km/h) |
| 25 mph (40.23 km/h) | 26.58 mph (42.78 km/h) |
| 30 mph (48.28 km/h) | 31.9 mph (51.34 km/h) |
| 35 mph (56.33 km/h) | 37.22 mph (59.89 km/h) |
| 40 mph (64.37 km/h) | 42.53 mph (68.45 km/h) |
| 45 mph (72.42 km/h) | 47.85 mph (77.01 km/h) |
| 50 mph (80.47 km/h) | 53.17 mph (85.56 km/h) |
| 55 mph (88.51 km/h) | 58.48 mph (94.12 km/h) |
| 60 mph (96.56 km/h) | 63.8 mph (102.68 km/h) |
| 65 mph (104.61 km/h) | 69.12 mph (111.23 km/h) |
| 70 mph (112.65 km/h) | 74.43 mph (119.79 km/h) |
| 75 mph (120.7 km/h) | 79.75 mph (128.34 km/h) |
| 80 mph (128.75 km/h) | 85.07 mph (136.9 km/h) |
| 85 mph (136.79 km/h) | 90.38 mph (145.46 km/h) |
| 90 mph (144.84 km/h) | 95.7 mph (154.01 km/h) |
| 95 mph (152.89 km/h) | 101.02 mph (162.57 km/h) |
| 100 mph (160.93 km/h) | 106.33 mph (171.13 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
