EdgeStar BIDW1802SS vs Sharp SDW4523MS 18-Inch Built-In Dishwasher,
Updated July 2026 — Sharp SDW4523MS 18-Inch Built-In Dishwasher, leads on noise and height.
The EdgeStar BIDW1802SS is a more budget-friendly option, while the Sharp SDW4523MS offers advanced features and quieter operation.
Why EdgeStar BIDW1802SS is better
Price
EdgeStar is $260 cheaper
Size
Both models are compact 18-inch designs
Basic Functionality
EdgeStar provides essential wash cycles
Why Sharp SDW4523MS 18-Inch Built-In Dishwasher, is better
Noise Level
Sharp operates at 47 dB, quieter than EdgeStar's 52 dB
Advanced Features
Sharp includes smart sensors and a third rack
Design
Sharp has a premium stainless steel finish
Overall score
Specifications
| Spec | EdgeStar BIDW1802SS | Sharp SDW4523MS 18-Inch Built-In Dishwasher, |
|---|---|---|
| Wash Cycles | 6 | 6 |
| Third Rack | No | Yes |
| Noise Level | 52 dB | 47 dB |
| Smart Sensors | No | Yes |
| Price | $539 | $799 |
Dimension comparison
Overview of the Dishwasher Market
When considering a new dishwasher for your kitchen, two models stand out: the EdgeStar BIDW1802SS and the Sharp SDW4523MS. Both are compact, 18-inch built-in dishwashers that cater to smaller spaces while offering impressive functionality. The EdgeStar is priced at $539, making it about 17% cheaper than the Sharp, which retails for $799. This price difference can be a crucial factor for budget-conscious buyers looking for reliable performance in a compact design.
Design and Build Quality
In terms of design, the Sharp SDW4523MS boasts a sleek stainless steel interior and a fingerprint-resistant exterior, giving it a modern touch that can seamlessly fit into contemporary kitchens. This premium design comes at a price, as it is marketed as a more upscale option compared to the EdgeStar BIDW1802SS. The EdgeStar, while also compact and functional, does not emphasize the same level of aesthetic appeal. However, both models share a similar size and capacity, accommodating up to eight place settings.
Noise Level and Operation
The Sharp SDW4523MS operates at a notably quiet 47 dB, making it one of the quieter options on the market. This is particularly advantageous for those living in open-concept spaces or smaller homes where noise can be an issue. In contrast, the EdgeStar operates at a slightly louder 52 dB. While both are relatively quiet, the difference in decibel levels could influence customers who prioritize a peaceful kitchen environment during wash cycles.
Wash Cycles and Features
Both dishwashers offer six wash cycles, providing versatility for various cleaning needs. However, the Sharp SDW4523MS includes additional features such as smart sensors that optimize cleaning performance, making it slightly more advanced in this regard. The EdgeStar, while effective, lacks these smart capabilities. Additionally, Sharp's model features a third rack, allowing for better organization of flatware and utensils, which can be a significant advantage for users who frequently wash smaller items.
Energy and Water Efficiency
The Sharp SDW4523MS incorporates features that allow users to run either the upper or lower rack independently, promoting water and energy savings, particularly for smaller loads. The EdgeStar does include options for various wash cycles but does not specify an equivalent feature for load size management. For environmentally conscious consumers, this difference may influence their choice, especially given the rising importance of energy efficiency in household appliances.
Maintenance and User Experience
Both dishwashers are designed with user experience in mind, but the Sharp SDW4523MS stands out with its backlit touch controls and adaptive indication, making it easier to operate. The EdgeStar's operation is straightforward but lacks the intuitive design of the Sharp model. Additionally, the Sharp's Auto Door Open feature enhances drying efficiency, something that could be appealing to users who prioritize convenience and performance in their dishwashing routine.
Price Comparison
At $539, the EdgeStar BIDW1802SS is a more budget-friendly option compared to the Sharp SDW4523MS, which is priced at $799. This price difference of about $260 is significant, especially for buyers looking for a functional dishwasher without the added premium features. However, it's essential to weigh the cost against the benefits offered by the Sharp model, which may justify the higher price for those who value additional features and a quieter operation.
Which should you buy?
In conclusion, the choice between the EdgeStar BIDW1802SS and the Sharp SDW4523MS ultimately depends on your specific needs and budget. If you're looking for a more affordable and straightforward dishwasher, the EdgeStar is a solid choice. However, if you prioritize quiet operation, advanced features, and a modern design, the Sharp may be worth the investment. Considering the price difference and unique features of each model will help you make the best decision for your kitchen.

