LG 5.5 cu. ft. Smart Top Load Washer in Matte vs LG WM4000HBA 4.5 Cu. Ft. Smart Front-Load Washer,
Updated August 2026 — LG 5.5 cu. ft. Smart Top Load Washer in Matte wins on capacity and design, LG WM4000HBA 4.5 Cu. Ft. Smart Front-Load Washer, wins on sales rank and price.
The LG WM4000HBA offers better smart features and allergen removal at a lower price, making it the more appealing choice for most consumers.
Why LG 5.5 cu. ft. Smart Top Load Washer in Matte is better
Capacity
5.5 cu. ft. vs 4.5 cu. ft.
Top Load Design
Easier access for loading/unloading.
Price
$1,099 vs $899
Why LG WM4000HBA 4.5 Cu. Ft. Smart Front-Load Washer, is better
Smart Features
Includes ThinQ app for remote control.
Allergen Cycle
Removes 95% of pet dander.
Sales Rank
Higher bestseller rank of 1,673.
Overall score
Specifications
| Spec | LG 5.5 cu. ft. Smart Top Load Washer in Matte | LG WM4000HBA 4.5 Cu. Ft. Smart Front-Load Washer, |
|---|---|---|
| Current Price | $1,099.00 | $899.00 |
| Capacity | 5.5 cu. ft. | 4.5 cu. ft. |
| Smart Features | SmartDiagnosis | ThinQ App |
| Allergen Cycle | No | Yes |
| Sales Rank | 2,842 | 1,673 |
Dimension comparison
Price Comparison
When it comes to pricing, the LG WM4000HBA is the more budget-friendly option, priced at $899.00 compared to the LG 5.5 cu. ft. Smart Top Load Washer, which retails for $1,099.00. This makes the front-load washer about 17% cheaper than its top-load counterpart. For consumers looking to save on upfront costs, the WM4000HBA presents a compelling choice without sacrificing essential features. The price difference can be significant, especially for those who are price-conscious and looking for a high-efficiency laundry machine.
Capacity and Design
The LG 5.5 cu. ft. Smart Top Load Washer offers a larger capacity than the LG WM4000HBA, providing 5.5 cubic feet compared to 4.5 cubic feet. This extra space can be particularly beneficial for families or anyone who frequently washes bulky items such as comforters and towels. The top-load design also features an EasyUnload angled front, making it ergonomic and convenient for users. In contrast, the WM4000HBA’s front-load design includes a tempered glass door, which adds a modern aesthetic but may require bending down to load and unload laundry. For those prioritizing capacity, the top-load washer stands out with its larger drum size.
Efficiency and Performance
In terms of efficiency, both washers are designed with high-performance technologies. The LG 5.5 cu. ft. Smart Top Load Washer is ENERGY STAR certified, promoting reduced water and energy consumption while ensuring effective cleaning. It features TurboWash Technology, which shortens wash times without compromising results. On the other hand, the LG WM4000HBA also boasts high efficiency, featuring TurboWash 360 Technology, which enhances cleaning power. Both machines are designed to save time and energy, but the top-load washer's larger capacity may contribute to fewer overall cycles needed for large loads.
Smart Features
When it comes to smart technology, the LG WM4000HBA takes the lead with its ThinQ app, allowing users to control laundry remotely. This feature is increasingly popular for those who want to manage their laundry from anywhere. The LG 5.5 cu. ft. Smart Top Load Washer includes SmartDiagnosis technology, which enables troubleshooting via smartphone, but does not offer remote control capabilities. While both machines incorporate smart features, the greater integration of the ThinQ app in the WM4000HBA could be more appealing for tech-savvy users.
Cleaning Cycles
The LG WM4000HBA includes an Allergiene Cycle, which effectively removes 95% of pet dander and dust, making it a strong choice for pet owners or those with allergies. While the LG 5.5 cu. ft. Smart Top Load Washer does not specifically mention an allergen cycle, it does feature AI Wash technology that customizes the wash based on load size and dirtiness. While both washers provide excellent cleaning options, the specialized cycle in the WM4000HBA may give it an edge for individuals concerned about allergens.
Sales Ranking and Market Appeal
In terms of sales ranking, the LG WM4000HBA is currently positioned higher, with a bestseller rank of 1,673 compared to the LG 5.5 cu. ft. Smart Top Load Washer’s rank of 2,842. This indicates a stronger market appeal and popularity among consumers for the front-load model. A higher sales rank can often reflect greater customer satisfaction and trust in the product, suggesting that the WM4000HBA resonates more with buyers looking for a reliable laundry machine.
Customer Support and Maintenance
Both washers come equipped with features aimed at minimizing maintenance issues. The LG 5.5 cu. ft. Smart Top Load Washer’s SmartDiagnosis technology allows users to quickly troubleshoot issues, potentially reducing the need for service calls. Meanwhile, the LG WM4000HBA's ThinQ technology includes proactive customer care, alerting users to potential problems before they escalate. While both provide valuable support, the proactive nature of the WM4000HBA may offer a more comprehensive approach to customer care.
Which should you buy?
Ultimately, the choice between the LG 5.5 cu. ft. Smart Top Load Washer and the LG WM4000HBA 4.5 Cu. Ft. Smart Front-Load Washer depends on your specific needs and preferences. If capacity and top-load convenience are your priorities, the LG 5.5 cu. ft. model is a strong contender, albeit at a higher price of $1,099. On the other hand, if you value smart technology, allergen removal, and a lower price of $899, the LG WM4000HBA may be the better choice. Consider what features align best with your laundry habits and household needs to make the most informed decision.

