Sharp SDW6506JS 24-inch Stainless Steel vs SPT SD-9254SSA 18″ Wide Built-In Stainless Steel
Updated July 2026 — Sharp SDW6506JS 24-inch Stainless Steel wins on noise and weight, SPT SD-9254SSA 18″ Wide Built-In Stainless Steel wins on height.
The Sharp SDW6506JS offers superior features and capacity, making it the better choice for larger households, while the SPT SD-9254SSA is a more budget-friendly option for smaller spaces.
Why Sharp SDW6506JS 24-inch Stainless Steel is better
Capacity
Sharp accommodates 12 place settings vs SPT's 8.
Noise Level
Sharp operates at 49 dB, quieter than SPT.
Cleaning Performance
Sharp has advanced cleaning features with three sprayers.
Why SPT SD-9254SSA 18″ Wide Built-In Stainless Steel is better
Price
SPT is priced lower at $462.25.
Size
SPT's 18-inch width is better for small kitchens.
Energy Efficiency
SPT is ENERGY STAR certified.
Overall score
Specifications
| Spec | Sharp SDW6506JS 24-inch Stainless Steel | SPT SD-9254SSA 18″ Wide Built-In Stainless Steel |
|---|---|---|
| Wash Programs | 5 | 6 |
| Drying Method | Heated | Heated |
| Control Type | Touch | Buttons |
| Third Rack | Yes | No |
| Child Lock | Yes | No |
Dimension comparison
Design and Build Quality
The Sharp SDW6506JS offers a sophisticated 24-inch design that combines functionality with a stylish stainless steel finish. In contrast, the SPT SD-9254SSA features an 18-inch wide build, which is compact yet still aesthetically pleasing. The larger Sharp model, priced at $499.00, provides a more spacious interior for up to 12 place settings, making it ideal for larger families or gatherings. The SPT, at $462.25, accommodates 8 place settings, making it a suitable choice for smaller kitchens or households. While both dishwashers utilize stainless steel, the Sharp's hybrid tub design, which combines stainless steel walls with a durable plastic floor, further enhances its cleaning efficiency.
Noise Level
When it comes to noise levels, the Sharp SDW6506JS operates at a whisper-quiet 49 dB, ensuring a peaceful dishwashing experience. This feature is particularly valuable for those who prefer minimal noise disruption in their homes. On the other hand, the SPT SD-9254SSA does not specify its noise level, which may indicate a potentially noisier operation. The low noise level of the Sharp model not only contributes to a more pleasant kitchen environment but also makes it a more appealing option for families with young children or those who entertain guests frequently.
Cleaning Performance
The Sharp SDW6506JS boasts advanced cleaning capabilities thanks to its three washing sprayers and a hybrid tub design. This model offers efficient cleaning for various dish types, delivering thorough results for both delicate glassware and heavily soiled pots. In comparison, the SPT SD-9254SSA features 6 wash programs, which offers versatility but does not specify the number of sprayers it employs. While the SPT provides effective cleaning, the advanced features of the Sharp model make it a more robust option for users seeking superior cleaning performance.
Capacity and Loading Flexibility
With a capacity of 12 place settings, the Sharp SDW6506JS is designed for families or users who often host gatherings. It features a versatile three-rack design that includes a specialized third rack for silverware and cooking utensils, enhancing loading flexibility. The upper rack can be adjusted by 2 inches to accommodate taller items, providing further convenience. In contrast, the SPT SD-9254SSA is limited to 8 place settings and features only 2 pull-out dish racks. While suitable for smaller households, its loading flexibility is not as extensive as that of the Sharp model.
Controls and Usability
The Sharp SDW6506JS incorporates front-mounted touch controls, which not only simplify operation but also include a child lock feature for added safety. This model allows for easy selection of the five washing cycles and four options tailored to different dish types. Conversely, the SPT SD-9254SSA's controls are less detailed, only providing a time delay feature for programming operation at a later start time. While the SPT is user-friendly, the enhanced control options of the Sharp model offer a more tailored and convenient dishwashing experience.
Energy Efficiency
The SPT SD-9254SSA is ENERGY STAR certified, which indicates its efficiency in water and energy consumption. While the Sharp SDW6506JS does not explicitly mention its energy efficiency rating, the advanced features such as the half load option suggest that it is designed to save water and energy. The SPT model is priced about 17% lower at $462.25 compared to the Sharp at $499.00, making it potentially more economical in terms of energy and water usage. However, the overall efficiency of the Sharp model may lead to better long-term savings despite the initial higher price.
Price Comparison
The Sharp SDW6506JS is priced at $499.00, while the SPT SD-9254SSA is available for $462.25, making the SPT approximately 7.4% cheaper than the Sharp. This price difference signifies that the SPT may attract budget-conscious consumers looking for a reliable dishwasher without breaking the bank. However, the additional features and larger capacity of the Sharp model justify its higher price for users who prioritize performance over cost. The bestseller rank of the SPT at 1365 suggests a competitive market position, appealing to those seeking value in their appliance purchases.
Which should you buy?
Ultimately, the choice between the Sharp SDW6506JS and the SPT SD-9254SSA depends on your specific needs and preferences. If you require a larger capacity dishwasher with advanced cleaning features and a quieter operation, the Sharp model is the better option despite its higher price. On the other hand, if you have limited kitchen space and are looking for a more budget-friendly solution, the SPT could serve you well. Both models offer unique advantages, but the Sharp's enhanced features and performance may make it a more worthwhile investment in the long run.

