Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/60-14 | 185/55-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.8 (553.6) | 22.01 (559.1) | 0.22 (5.5) 1% |
| Width inches (mm) | 6.5 (165) | 7.28 (185) | 0.79 (20) 12.1% |
| Circum. inches (mm) | 68.47 (1739.19) | 69.15 (1756.46) | 0.68 (17.28) 1% |
| Sidewall Height inches (mm) | 3.9 (99) | 4.01 (101.75) | 0.11 (2.75) 2.8% |
| Revolutions per mile (km) | 925.34 (574.98) | 916.24 (569.32) | -9.1 (-5.66) -1% |
185/55-14 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.2 mph (32.51 km/h) |
| 25 mph (40.23 km/h) | 25.25 mph (40.63 km/h) |
| 30 mph (48.28 km/h) | 30.3 mph (48.76 km/h) |
| 35 mph (56.33 km/h) | 35.35 mph (56.89 km/h) |
| 40 mph (64.37 km/h) | 40.4 mph (65.01 km/h) |
| 45 mph (72.42 km/h) | 45.45 mph (73.14 km/h) |
| 50 mph (80.47 km/h) | 50.5 mph (81.27 km/h) |
| 55 mph (88.51 km/h) | 55.55 mph (89.39 km/h) |
| 60 mph (96.56 km/h) | 60.6 mph (97.52 km/h) |
| 65 mph (104.61 km/h) | 65.65 mph (105.65 km/h) |
| 70 mph (112.65 km/h) | 70.7 mph (113.77 km/h) |
| 75 mph (120.7 km/h) | 75.75 mph (121.9 km/h) |
| 80 mph (128.75 km/h) | 80.79 mph (130.03 km/h) |
| 85 mph (136.79 km/h) | 85.84 mph (138.15 km/h) |
| 90 mph (144.84 km/h) | 90.89 mph (146.28 km/h) |
| 95 mph (152.89 km/h) | 95.94 mph (154.41 km/h) |
| 100 mph (160.93 km/h) | 100.99 mph (162.53 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
