Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/55-14 | 185/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.15 (537.1) | 22.01 (559.1) | 0.87 (22) 4.1% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 66.43 (1687.35) | 69.15 (1756.46) | 2.72 (69.12) 4.1% |
| Sidewall Height inches (mm) | 3.57 (90.75) | 4.01 (101.75) | 0.43 (11) 12.1% |
| Revolutions per mile (km) | 953.77 (592.64) | 916.24 (569.32) | -37.53 (-23.32) -3.9% |
185/55-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.82 mph (33.51 km/h) |
| 25 mph (40.23 km/h) | 26.02 mph (41.88 km/h) |
| 30 mph (48.28 km/h) | 31.23 mph (50.26 km/h) |
| 35 mph (56.33 km/h) | 36.43 mph (58.63 km/h) |
| 40 mph (64.37 km/h) | 41.64 mph (67.01 km/h) |
| 45 mph (72.42 km/h) | 46.84 mph (75.39 km/h) |
| 50 mph (80.47 km/h) | 52.05 mph (83.76 km/h) |
| 55 mph (88.51 km/h) | 57.25 mph (92.14 km/h) |
| 60 mph (96.56 km/h) | 62.46 mph (100.52 km/h) |
| 65 mph (104.61 km/h) | 67.66 mph (108.89 km/h) |
| 70 mph (112.65 km/h) | 72.87 mph (117.27 km/h) |
| 75 mph (120.7 km/h) | 78.07 mph (125.65 km/h) |
| 80 mph (128.75 km/h) | 83.28 mph (134.02 km/h) |
| 85 mph (136.79 km/h) | 88.48 mph (142.4 km/h) |
| 90 mph (144.84 km/h) | 93.69 mph (150.77 km/h) |
| 95 mph (152.89 km/h) | 98.89 mph (159.15 km/h) |
| 100 mph (160.93 km/h) | 104.1 mph (167.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2332 | 2709 | 2917 | 3046 | 3185 | 3284 | 3393 | 3522 | 3701 | 3879 | 4078 | 4237 | 4524 | 4842 | 5090 | 5249 | 5338 | 5665 | 6122 | 7114 |
Better Fuel Economy Factory Ratios Increased Power
