Sharp SDW4523MS 18-Inch Built-In Dishwasher, vs Sharp SDW6506JS 24-inch Stainless Steel
Updated July 2026 — Sharp SDW4523MS 18-Inch Built-In Dishwasher, wins on wash cycles, Sharp SDW6506JS 24-inch Stainless Steel wins on width and place settings.
The Sharp SDW4523MS offers advanced features and quieter operation, making it a better choice for smaller spaces, while the SDW6506JS is more budget-friendly with a larger capacity.
Why Sharp SDW4523MS 18-Inch Built-In Dishwasher, is better
Quieter
SDW4523MS operates at 47 dB compared to 49 dB of SDW6506JS
More cycles
SDW4523MS has 6 wash cycles versus 5 in SDW6506JS
Flexible loading
SDW4523MS allows independent rack use for smaller loads
Why Sharp SDW6506JS 24-inch Stainless Steel is better
Lower price
SDW6506JS is priced at $499 compared to $799 for SDW4523MS
Larger capacity
SDW6506JS accommodates 12 place settings versus 8 in SDW4523MS
Child lock
SDW6506JS includes a child lock feature for safety
Overall score
Specifications
| Spec | Sharp SDW4523MS 18-Inch Built-In Dishwasher, | Sharp SDW6506JS 24-inch Stainless Steel |
|---|---|---|
| Brand | Sharp | Sharp |
| Current Price | $799.00 | $499.00 |
| Sales Rank | 1738 | 1524 |
| Third Rack | Yes | Yes |
| Controls | Backlit Touch | Front Touch |
Dimension comparison
Introduction
When it comes to choosing a dishwasher, the Sharp SDW4523MS 18-Inch Built-In Dishwasher and the Sharp SDW6506JS 24-Inch Stainless Steel Dishwasher both offer impressive features tailored to different kitchen needs. The SDW4523MS is priced at $799.00, while the SDW6506JS comes in at a more budget-friendly $499.00, making it about 37% cheaper. This comparison will help you determine which dishwasher best suits your lifestyle and kitchen space.
Design and Size
The Sharp SDW4523MS features a compact 18-inch design, making it ideal for smaller kitchens or apartments. This model holds up to 8 place settings and includes a convenient third rack for flatware. On the other hand, the Sharp SDW6506JS boasts a larger 24-inch design with a capacity of 12 place settings. This extra space can be particularly beneficial for families or those who frequently entertain guests. While both dishwashers have a sleek stainless steel finish, the SDW6506JS’s size and capacity make it a more versatile option for larger households.
Noise Level
When it comes to noise, both dishwashers operate quietly, but the SDW4523MS has the edge with its ultra-quiet 47 dB noise level compared to the 49 dB of the SDW6506JS. The quieter operation of the SDW4523MS makes it particularly well-suited for open-concept living spaces where noise can be a concern. This slight difference may not be noticeable to everyone, but for those sensitive to sound, the quieter model could enhance the kitchen experience significantly.
Washing Performance
In terms of washing performance, the Sharp SDW4523MS offers 6 wash cycles, including smart sensors to optimize cleaning, while the SDW6506JS provides 5 wash cycles with advanced hybrid tub technology that combines stainless steel walls with durable plastic floors. Both models include a third rack designed for silverware, improving efficiency. However, the SDW4523MS's ability to run either the upper or lower rack independently offers additional flexibility, making it more suitable for smaller loads. This feature optimizes water and energy usage, allowing for more eco-friendly operation.
Convenience Features
Convenience features play a crucial role in the user experience of a dishwasher. The Sharp SDW4523MS includes backlit touch controls and an Auto Door Open feature that enhances drying efficiency. In contrast, the SDW6506JS comes with front-mounted touch controls that include a child lock for added safety. While both models offer user-friendly controls, the inclusion of the Auto Door Open in the SDW4523MS gives it a slight advantage in terms of drying capabilities, making it less likely that you’ll find damp dishes after a cycle.
Energy Efficiency
Energy efficiency is a vital consideration for many consumers. The Sharp SDW4523MS's ability to run smaller loads using only one rack can help save water and energy. Although specific energy consumption stats are not provided, the optimization features of the SDW4523MS suggest a more eco-friendly approach. The SDW6506JS also offers water-saving options with its half-load feature, but it lacks the more advanced sensor technology found in the SDW4523MS. For environmentally conscious buyers, the SDW4523MS may be the better choice.
Price Point
Pricing is a significant factor in any purchasing decision. The SDW4523MS is priced at $799.00, while the SDW6506JS is considerably cheaper at $499.00, a difference of $300. This price difference of about 37% may make the SDW6506JS more appealing to budget-conscious consumers. However, the additional features and performance of the SDW4523MS could justify the higher price for those who prioritize quality and advanced functionality in a dishwasher.
Sales Ranking
Both models have impressive sales rankings, with the SDW4523MS at 1738 and the SDW6506JS ranked slightly higher at 1524. This indicates that the SDW6506JS is a more popular choice among consumers, likely due to its lower price and practical features. While sales rank can be an indicator of popularity and consumer satisfaction, it is essential to consider individual needs and preferences when making a decision.
Which should you buy?
Ultimately, the choice between the Sharp SDW4523MS and the Sharp SDW6506JS depends on your specific needs and kitchen environment. If you have limited space and prioritize quieter operation, advanced features, and optimized washing performance, the SDW4523MS may be worth the investment at $799. However, if you are looking for a more budget-friendly option with solid performance for a larger household, the SDW6506JS at $499 offers excellent value. Consider your household size, budget, and preferred features to make the best choice for your kitchen.

