Blomberg DWT51600FBI vs SPT SD-9254SSA 18″ Wide Built-In Stainless Steel
Updated July 2026 — Blomberg DWT51600FBI leads on noise level and width.
The Blomberg DWT51600FBI offers superior capacity and advanced features, making it the better choice for larger households, while the SPT SD-9254SSA is a budget-friendly option for smaller spaces.
Why Blomberg DWT51600FBI is better
Capacity
Blomberg accommodates 14 place settings vs SPT's 8.
Noise Level
Blomberg operates at a quiet 48 dBA.
Features
Blomberg includes advanced leak protection and multiple wash options.
Why SPT SD-9254SSA 18″ Wide Built-In Stainless Steel is better
Price
SPT is significantly cheaper at $462.25.
Size
SPT's 18-inch width is ideal for compact spaces.
Basic Functionality
SPT provides essential features at a lower cost.
Overall score
Specifications
| Spec | Blomberg DWT51600FBI | SPT SD-9254SSA 18″ Wide Built-In Stainless Steel |
|---|---|---|
| Price | $894.99 | $462.25 |
| Wash Programs | 6 | 6 |
| Energy Star | Yes | Yes |
| Drying Function | Concealed | Heating |
| Warranty | 1 Year | 1 Year |
Dimension comparison
Overview of the Dishwashers
When comparing the Blomberg DWT51600FBI and the SPT SD-9254SSA, the first notable difference is their price point. The Blomberg model is priced at $894.99, while the SPT model is more budget-friendly at $462.25, making it about 48% cheaper. Both products are designed to offer efficient cleaning solutions, but they cater to different needs in terms of capacity and features.
Design and Build Quality
The Blomberg DWT51600FBI is a 24-inch built-in model designed to blend seamlessly with kitchen cabinetry thanks to its panel-ready feature. This design allows it to maintain the aesthetic of a custom kitchen. In contrast, the SPT SD-9254SSA has an 18-inch width, making it ideal for compact spaces. It features a stainless steel tub, which is durable and adds a modern touch. While the Blomberg offers a more integrated look, the SPT is a practical choice for smaller kitchens.
Cleaning Performance
In terms of cleaning capabilities, the Blomberg DWT51600FBI boasts a multi-level washing system with a 5-level wash feature that ensures thorough cleaning of dishes. It includes three spray arms to reach all corners effectively, which can be crucial for tough, stuck-on food. The SPT SD-9254SSA, while it has 6 wash programs, focuses on essential cleaning needs and includes a heating function during the drying cycle for more effective drying. This makes the Blomberg model more suited for larger families or those with heavy dishwashing needs.
Noise Levels
The Blomberg DWT51600FBI operates at a remarkably quiet 48 dBA, making it one of the quieter dishwashers on the market. This silent operation is a critical feature for those who prefer a peaceful environment at home. On the other hand, the SPT SD-9254SSA does not specify its noise level, which may be a consideration for potential buyers. For consumers sensitive to noise, the Blomberg clearly has an advantage.
Energy Efficiency
Both dishwashers are ENERGY STAR certified, meaning they meet energy efficiency guidelines set by the U.S. Environmental Protection Agency. The Blomberg DWT51600FBI not only provides quality cleaning but also aligns with environmentally conscious consumer values, as evidenced by its recognition as the ENERGY STAR 2018 Partner of the Year. While the SPT SD-9254SSA also boasts energy efficiency, the Blomberg’s additional accolades highlight its commitment to sustainability.
Features and Technology
The Blomberg DWT51600FBI includes advanced features such as a double motion float system for leak protection, making it safer for long-term use. It also has options like an extra rinse function and sanitize mode, enhancing its cleaning capabilities. The SPT SD-9254SSA, while offering essential features like a time delay operation and an error alarm, lacks some of the advanced technology found in the Blomberg model. Users looking for high-end features might find the Blomberg more appealing.
Capacity and Flexibility
The Blomberg DWT51600FBI accommodates up to 14 place settings, making it suitable for larger households or those who entertain frequently. Its adjustable features also allow for greater flexibility in loading different types of dishes. Conversely, the SPT SD-9254SSA is designed for 8 place settings, which may be adequate for smaller families or individuals. The difference in capacity is significant, with the Blomberg offering nearly 75% more space for dishes.
Which should you buy?
Ultimately, the choice between the Blomberg DWT51600FBI and the SPT SD-9254SSA depends on your specific needs and budget. If you are looking for a high-capacity, quiet, and feature-rich dishwasher that seamlessly integrates into your kitchen, the Blomberg is worth the investment at $894.99. However, if you're working with limited space and a tighter budget, the SPT at $462.25 offers essential functionality at a significant discount. Each model has its strengths, so consider your priorities before making a decision.

