LG LDTS5552S Top Control Dishwasher with QuadWash, vs SPT SD-6501W 24″-wide Built-In Stainless Steel
Updated July 2026 — LG LDTS5552S Top Control Dishwasher with QuadWash, wins on price and drying tech, SPT SD-6501W 24″-wide Built-In Stainless Steel wins on sales rank and noise level.
The LG LDTS5552S offers superior technology and quieter operation, making it the better choice for those who prioritize performance. The SPT SD-6501W is a budget-friendly option with essential features.
Why LG LDTS5552S Top Control Dishwasher with QuadWash, is better
Advanced Cleaning
QuadWash Cleaning System for thorough coverage
Quieter Operation
Operates at 46 dBA, ideal for open spaces
Superior Drying
Dynamic Dry technology enhances drying performance
Why SPT SD-6501W 24″-wide Built-In Stainless Steel is better
Lower Price
SPT is significantly cheaper at $447.55
Energy Efficiency
ENERGY STAR certified for energy savings
Capacity
Holds up to 14 standard plate settings
Overall score
Specifications
| Spec | LG LDTS5552S Top Control Dishwasher with QuadWash, | SPT SD-6501W 24″-wide Built-In Stainless Steel |
|---|---|---|
| Brand | LG | SPT |
| Model | LDTS5552S | SD-6501W |
| Interior | Stainless Steel | Stainless Steel |
| 3rd Rack | Yes | No |
| Energy Star | No | Yes |
Dimension comparison
Overview of the Products
The LG LDTS5552S is priced at $1,264, while the SPT SD-6501W is about 65% cheaper at $447.55. This significant price difference reflects the distinct features and target audiences of each dishwasher. The LG model boasts advanced cleaning technologies and premium materials, whereas the SPT model is more budget-friendly with essential functions.
Cleaning Performance
The LG LDTS5552S stands out with its QuadWash Cleaning System, utilizing four multi-motion spray arms to ensure thorough coverage and powerful performance. This feature is designed to tackle tough messes and provide consistently clean dishes. In contrast, the SPT SD-6501W offers six wash programs, including Heavy, Normal, and Eco options, making it versatile for different cleaning needs. However, while it ensures a decent clean, it may not match the LG's advanced cleaning capabilities.
Noise Level
The LG LDTS5552S operates at an ultra-quiet 46 dBA, making it ideal for open-concept spaces or nighttime use without causing disturbances. This feature is particularly appealing for those who prioritize peace in their kitchen environment. On the other hand, the SPT SD-6501W operates at a slightly louder 55 dBA. While still relatively quiet, it may be more noticeable during operation compared to the LG model, which could be a consideration for buyers sensitive to noise.
Drying Technology
In terms of drying performance, the LG LDTS5552S features Dynamic Dry technology, which enhances drying by circulating air and automatically opening the door at the end of the cycle. This innovation leads to better drying results, particularly for items like glassware. Meanwhile, the SPT SD-6501W includes a heated drying function, which is effective but may not match the efficiency of the LG’s Dynamic Dry system. Therefore, while both models offer drying solutions, the LG's approach may deliver superior results.
Interior Design and Capacity
The LG LDTS5552S has an adjustable 3rd rack and a flexible interior design, allowing for the accommodation of various dish sizes and utensils. This feature enhances the overall capacity and usability of the dishwasher, making it a practical choice for families or those who frequently entertain guests. In comparison, the SPT SD-6501W has a capacity for up to 14 standard plate settings but lacks the additional 3rd rack, which may limit its versatility in loading different types of dishes.
Energy Efficiency
Both dishwashers are designed with energy efficiency in mind, but they cater to different consumer needs. The LG LDTS5552S does not explicitly mention ENERGY STAR certification but is engineered for optimal performance. The SPT SD-6501W, however, is ENERGY STAR certified, meaning it meets or exceeds federal guidelines for energy efficiency. This certification can be beneficial for consumers looking to save on energy costs while being environmentally conscious, especially since it’s priced at $447.55, providing a budget-friendly option.
Brand Reputation and Sales Rank
The LG LDTS5552S has a sales rank of 3,638, indicating a solid position in the market among its competitors. LG is well-known for its high-quality appliances and innovative technology, which can instill confidence in potential buyers. The SPT SD-6501W, while also reputable, holds a sales rank of 5,011. This difference in ranking may suggest a preference for LG's offerings, particularly among those seeking advanced features and performance.
Which should you buy?
Choosing between the LG LDTS5552S and the SPT SD-6501W ultimately depends on your budget and priorities. If you value cutting-edge technology, quieter operation, and superior drying capabilities, the LG model is a premium choice at $1,264. However, if you’re looking for a more economical option that still offers essential functionality and decent cleaning performance, the SPT model at $447.55 presents a compelling case. Each product serves different needs, making the decision a matter of personal preference and financial considerations.

