SPT SD-6501W 24″-wide Built-In Stainless Steel vs ZLINE 24 in. Top Control Dishwasher in Custom
Updated July 2026 — SPT SD-6501W 24″-wide Built-In Stainless Steel wins on noise and capacity, ZLINE 24 in. Top Control Dishwasher in Custom wins on weight.
The SPT SD-6501W offers excellent value with a larger capacity and lower price, while the ZLINE provides advanced features and a luxury design. Choose based on your budget and aesthetic preferences.
Why SPT SD-6501W 24″-wide Built-In Stainless Steel is better
Price
SPT is $267.42 cheaper
Capacity
SPT holds 14 place settings vs ZLINE's 12
User Features
SPT has an error alarm and rinse aid indicator
Why ZLINE 24 in. Top Control Dishwasher in Custom is better
Noise Level
ZLINE operates at 52 dBa vs SPT's 55 dBa
Design
ZLINE has a customizable panel-ready design
Smart Features
ZLINE includes Smart Wash Technology
Overall score
Specifications
| Spec | SPT SD-6501W 24″-wide Built-In Stainless Steel | ZLINE 24 in. Top Control Dishwasher in Custom |
|---|---|---|
| Wash Programs | 6 | 6 |
| Energy Star | Yes | Yes |
| Drying Type | Heated | Standard |
| Control Type | Manual | Hidden |
| Installation | DIY | Professional |
Dimension comparison
Overview of the Dishwashers
The SPT SD-6501W is priced at $447.55, making it significantly cheaper than the ZLINE 24 in. Top Control Dishwasher, which costs $714.97. This price difference of about 37% positions the SPT model as a budget-friendly option for homeowners seeking an efficient dishwasher without sacrificing performance.
The SPT SD-6501W features a stainless steel interior and offers a capacity of up to 14 place settings, while the ZLINE model accommodates 12 place settings within its sleek design. Both dishwashers present unique advantages depending on the user’s needs and preferences.
Design and Aesthetics
The SPT SD-6501W boasts a classic white finish that fits seamlessly into many kitchen decors. Its tall tub design enhances capacity while maintaining a straightforward and functional appearance. Conversely, the ZLINE model features a panel-ready design that allows homeowners to install custom panels for a tailored look, making it a stylish addition to upscale kitchens.
The SPT’s simple design contrasts with ZLINE's modern appeal, which includes hidden controls for a sleek appearance. While the SPT focuses on practicality, the ZLINE emphasizes a luxury aesthetic, appealing to those who prefer a more contemporary kitchen environment.
Performance and Efficiency
The SPT SD-6501W features six wash programs, including Heavy, Normal, Light, Eco, Glass, and Rinse modes, allowing for tailored cleaning based on the load. Its ENERGY STAR certification ensures it meets high energy efficiency standards, which could lead to savings on utility bills over time.
On the other hand, the ZLINE model is equipped with Smart Wash Technology that auto-senses the load to optimize water and energy usage, using only 3.5 gallons per wash. Moreover, it operates at a quieter 52 dBa compared to the SPT’s 55 dBa. This means the ZLINE may be better suited for homes where noise levels are a consideration during operation.
Capacity and Loading Flexibility
The SPT SD-6501W offers a generous capacity of up to 14 place settings, making it ideal for larger households or those who frequently entertain guests. Additionally, its unique top cutlery rack provides a space-efficient solution for washing fine utensils that might fall through traditional baskets.
In contrast, the ZLINE accommodates 12 place settings but features full-depth racks that can hold larger dishes up to 12 inches tall. While it may have a slightly lower capacity, its design allows for flexible loading, which is beneficial for those who often wash bulky cookware.
User Experience and Convenience
The SPT SD-6501W includes several user-friendly features, such as an error alarm that displays fault codes and a rinse aid warning indicator. Additionally, it has a time delay feature that permits users to schedule cycles for later, enhancing convenience for busy households.
The ZLINE dishwasher, however, requires professional installation for optimal performance, which could be a drawback for some users. Its fully integrated controls are designed for ease of use, but the need for professional assistance might deter those who prefer a straightforward, DIY setup.
Noise Levels and Operation
While both dishwashers operate relatively quietly, the ZLINE model edges out with a lower noise level of 52 dBa compared to the SPT's 55 dBa. This difference of 3 dBa can be significant in a home setting, particularly in open-concept spaces where noise can be more noticeable.
Despite the slight increase in noise, the SPT SD-6501W still offers efficient cleaning and drying capabilities, thanks to its heated drying function, which is a notable feature for achieving thoroughly dry dishes.
Price Comparison and Value
The SPT SD-6501W is priced at $447.55, while the ZLINE is significantly higher at $714.97, representing a price difference of about $267.42. This substantial cost difference means that the SPT model is approximately 37% cheaper, making it a compelling choice for budget-conscious buyers who still need a reliable dishwasher.
However, the ZLINE model’s price reflects its luxury design and advanced features, which may justify the higher cost for those seeking a premium product with customizable aesthetics.
Which should you buy?
Choosing between the SPT SD-6501W and the ZLINE 24 in. Top Control Dishwasher ultimately depends on your individual needs and preferences. If budget is your primary concern, the SPT SD-6501W offers excellent value with its larger capacity, user-friendly features, and effective cleaning performance at a significantly lower price.
Conversely, if you prioritize design aesthetics, low noise levels, and advanced features like Smart Wash Technology, the ZLINE is worth the investment. Its customizable panel-ready design allows for a unique kitchen look, making it a favorable option for those willing to spend more for style and functionality.

