Avanti 18-Inch Dishwasher Machine with Top Control vs Sharp SDW6504MS Stainless Steel Dishwasher,
Updated July 2026 — Avanti 18-Inch Dishwasher Machine with Top Control wins on noise and cycles, Sharp SDW6504MS Stainless Steel Dishwasher, wins on width and capacity.
The Sharp SDW6504MS offers better value with a larger capacity and lower price, making it the preferred choice for most users.
Why Avanti 18-Inch Dishwasher Machine with Top Control is better
Noise Level
Avanti operates at 53 dB, slightly louder than Sharp.
Wash Options
Avanti has more wash options (3 vs 5).
Compact Size
Avanti is better for small spaces.
Why Sharp SDW6504MS Stainless Steel Dishwasher, is better
Capacity
Sharp accommodates 12 place settings.
Price
Sharp is $399, cheaper than Avanti.
Loading Flexibility
Sharp has an adjustable upper rack.
Overall score
Specifications
| Spec | Avanti 18-Inch Dishwasher Machine with Top Control | Sharp SDW6504MS Stainless Steel Dishwasher, |
|---|---|---|
| Price | $529.99 | $399.00 |
| Wash Options | 3 | 5 |
| Sales Rank | 5106 | 132 |
| Drying Method | Standard | Heated |
| Construction | Stainless Steel | Hybrid |
Dimension comparison
Overview of the Avanti 18-Inch Dishwasher
The Avanti 18-Inch Dishwasher is designed for compact spaces, making it perfect for apartments or smaller homes. Priced at $529.99, it offers a range of features that cater to users with limited kitchen space. This model can hold up to 8 place settings and operates at a quiet noise level of 53 dB, ensuring minimal disruption while cleaning your dishes. With 3 wash options and 6 automatic cycles, the Avanti aims to provide effective cleaning tailored to various needs.
The compact design and advanced cleaning options make the Avanti appealing for those who prioritize efficiency in smaller settings. Additionally, its built-in stainless steel construction is designed for durability, ensuring that users can rely on this dishwasher for consistent performance over time.
Overview of the Sharp SDW6504MS Dishwasher
The Sharp SDW6504MS Dishwasher is a more spacious option, accommodating up to 12 place settings for larger households. It is priced at $399.00, making it about 25% cheaper than the Avanti model. Operating at a quiet 52 dB, it is also designed for noise-sensitive environments, providing a peaceful dishwashing experience. The dishwasher features 5 wash cycles and includes a half-load option, which is an efficient choice for smaller loads, helping to conserve water and energy.
With its hybrid construction of stainless steel and heavy-duty plastic, the Sharp dishwasher combines durability with performance. Its adjustable upper rack allows for more flexible loading options, accommodating larger dishes effortlessly. This versatility may appeal to families who often handle various dish sizes and shapes.
Cleaning Performance
The Avanti 18-Inch Dishwasher offers advanced cleaning capabilities with its 3 wash options: Hi Temp, Sanitize, and Extra Dry. It also features 6 automatic cycles, including an Eco half-load mode, allowing users to select the most suitable cleaning method for their needs. This level of customization can be particularly beneficial for households with diverse dishwashing requirements.
Conversely, the Sharp SDW6504MS provides 5 washing cycles, which, while fewer than the Avanti, still includes efficient options such as a half-load setting. This feature allows for reduced resource usage on smaller loads, promoting energy efficiency. While both dishwashers offer effective cleaning solutions, the Avanti’s additional wash options might be more appealing to users seeking maximum flexibility in cycle selection.
Capacity and Loading Flexibility
In terms of capacity, the Sharp SDW6504MS stands out with its ability to accommodate 12 place settings compared to the Avanti's 8. This makes the Sharp model more suitable for larger families or those who frequently entertain guests. The adjustable upper rack of the Sharp dishwasher also enhances its loading flexibility, allowing for taller dishes to be accommodated with ease.
On the other hand, the Avanti's compact design may be a significant advantage in smaller kitchens or apartments where space is limited. Its smaller size makes it easier to fit into tighter spaces, thus appealing to users who prioritize compact appliances without compromising on performance.
Noise Level and Operation
Both dishwashers are designed to operate quietly, with the Avanti maintaining a noise level of 53 dB and the Sharp slightly quieter at 52 dB. This minimal difference in noise level ensures that both machines can be run at any time of day without disturbing household activities.
The quiet operation is a crucial factor for consumers living in open-concept homes or smaller living environments. While the difference of 1 dB may seem negligible, it highlights the Sharp's emphasis on providing a peaceful dishwashing experience, which could be a deciding factor for noise-sensitive users.
Durability and Build Quality
The Avanti 18-Inch Dishwasher features a built-in stainless steel construction which is known for its durability and resistance to wear and tear. This robust design contributes to the appliance's longevity, making it a reliable choice for those who need a dependable dishwasher over time.
In contrast, the Sharp SDW6504MS incorporates a hybrid construction, combining a stainless steel interior with a heavy-duty plastic floor. This design aims to optimize performance while maintaining durability, which could be beneficial for users looking for a balance between effective cleaning and longevity. Both models are built with quality materials, yet the choice between them might come down to personal preference regarding aesthetic and functional design.
Price Comparison
The pricing of these two dishwashers reflects their features and capacities. The Avanti 18-Inch Dishwasher is priced at $529.99, while the Sharp SDW6504MS stands at $399.00, making the Sharp model approximately 25% cheaper. This price difference could be significant depending on the buyer's budget and the desired features.
Considering that the Sharp also offers a larger capacity and additional flexibility in loading, it presents an appealing option for those looking for value in their purchase. For consumers prioritizing budget alongside features, the Sharp model could be the more attractive choice.
Which should you buy?
Deciding between the Avanti 18-Inch Dishwasher and the Sharp SDW6504MS ultimately depends on your individual needs and kitchen space. If you require a compact dishwasher with a variety of wash options and can accommodate the higher price, the Avanti is a solid choice. However, if you need a larger capacity dishwasher at a more affordable price, the Sharp SDW6504MS, with its efficient cleaning and flexible loading options, may be the better option. Each model has unique strengths, making them suited for different types of users. Consider your specific requirements and budget to determine which dishwasher will best serve your needs.

