Quick takeaway
LG WM3900HBA 4.5 Cu Ft leads this matchup 1 to 1 on measured spec rows and by 50 points overall. LG WM3900HBA 4.5 Cu Ft is also about $10.00 cheaper at the latest tracked price.
LG WM3900HBA 4.5 Cu Ft vs Miele WXF660 WCS Excellence
Choose LG WM3900HBA 4.5 Cu Ft if...
Pick LG WM3900HBA 4.5 Cu Ft if model number are the reasons you are shopping in this category.
Choose Miele WXF660 WCS Excellence if...
Pick Miele WXF660 WCS Excellence if spin speed are the reasons you are shopping in this category. It currently costs about $10.00 more, so make sure those wins matter to you.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Performance
| Spec | LG WM3900HBA 4.5 Cu Ft | Miele WXF660 WCS Excellence |
|---|---|---|
| Motor | Direct-drive inverter | Direct-drive inverter |
| Spin Speed | 1300 RPM spin speed | 1600 RPM ✓ |
Dimensions
| Spec | LG WM3900HBA 4.5 Cu Ft | Miele WXF660 WCS Excellence |
|---|---|---|
| Capacity | 4.5 cu ft | - |
General
| Spec | LG WM3900HBA 4.5 Cu Ft | Miele WXF660 WCS Excellence |
|---|---|---|
| Brand | LG | Miele |
| Category | Washing machine | Washing machine |
| Model Number | WM3900HBA ✓ | WXF660 |
| Type | Front load | Front load (compact) |
The verdict
Based on 10 spec comparisons plus user ratings, the LG WM3900HBA 4.5 Cu Ft comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the LG WM3900HBA 4.5 Cu Ft vs Miele WXF660 WCS Excellence score measuring?
VSFinder compares 7 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $899.99 for LG WM3900HBA 4.5 Cu Ft and $909.99 for Miele WXF660 WCS Excellence.