KOSTCH vs SPT SD-9254SSB 18″ Wide Built-In Stainless Steel
Updated July 2026 — KOSTCH wins on capacity and width, SPT SD-9254SSB 18″ Wide Built-In Stainless Steel wins on weight.
The KOSTCH dishwasher offers superior capacity, versatility, and quieter operation, making it the better choice for larger households. The SPT is a more economical option for smaller spaces.
Why KOSTCH is better
Capacity
15 place settings vs 8 place settings
Noise Level
Operates at 45 dBA vs 52 dBA
Wash Programs
8 wash programs vs 6 wash programs
Why SPT SD-9254SSB 18″ Wide Built-In Stainless Steel is better
Price
$449.99 vs $999.00
Size
18 inches wide vs 24 inches wide
Weight
54 lbs vs 82.7 lbs
Overall score
Specifications
| Spec | KOSTCH | SPT SD-9254SSB 18″ Wide Built-In Stainless Steel |
|---|---|---|
| Wash Programs | 8 | 6 |
| Energy Use | 220 kWh | 234 kWh |
| Decibel Rating | 45 dBA | 52 dBA |
| Place Settings | 15 | 8 |
| Price | $999.00 | $449.99 |
Dimension comparison
Overview of the KOSTCH 24 inch Built-In Dishwasher
The KOSTCH 24 inch Built-In Dishwasher is priced at $999.00 and offers an impressive large capacity of 15 place settings. It caters to a variety of cleaning needs with eight wash programs and operates at a low noise level of 45 dBA. In contrast, the SPT SD-9254SSB 18″ Wide Built-In Stainless Steel Dishwasher is more compact and economical, retailing at $449.99 with a capacity for 8 place settings. It features six wash programs but operates at a slightly higher noise level of 52 dBA.
Both dishwashers cater to different needs: the KOSTCH is ideal for larger households needing more capacity and versatility, while the SPT is perfect for smaller kitchens or those on a tighter budget.
Design and Build Quality
The KOSTCH dishwasher features a sleek enamel-coated door available in multiple colors, including a vibrant red, which not only looks modern but is also resistant to scratches. Its dimensions make it suitable for standard kitchen cutouts, while its stainless steel interior ensures durability. The SPT model, while smaller at 18 inches wide, also includes a stainless steel tub but lacks the aesthetic appeal of the KOSTCH.
In terms of build quality, the KOSTCH stands out with its high-performance spray arms and advanced features, making it more suitable for users who prioritize both durability and style in their kitchen appliances.
Wash Programs and Performance
The KOSTCH dishwasher offers eight wash programs, including Auto, Heavy, Eco, Normal, Express, Rinse, Delicate, and Lightning, providing unmatched flexibility for various types of dishes. This versatility is particularly beneficial for households with diverse cleaning needs. On the other hand, the SPT dishwasher offers six wash programs: Normal, Heavy, Energy, Glass, Quick, and Rinse.
While both models aim to deliver effective cleaning, the KOSTCH with its additional wash options gives users more control and adaptability, especially for heavily soiled items or delicate glassware.
Noise Level and Operation
The KOSTCH operates at a whisper-quiet 45 dBA, making it suitable for use at any time of day without disturbing household activities. It features convenient lighting, including side lights and a floor light, that aids in loading and unloading dishes in low-light conditions.
In comparison, the SPT dishwasher, with a noise level of 52 dBA, is slightly louder but still falls within acceptable limits for modern dishwashers. However, for those who prioritize a quieter operation, the KOSTCH clearly has the upper hand.
Energy Efficiency
The KOSTCH dishwasher is ENERGY STAR certified, helping users save on utility bills and reduce their environmental impact. It consumes about 220 kWh per year, making it an efficient choice for energy-conscious consumers.
Similarly, the SPT model is also ENERGY STAR rated, consuming around 234 kWh per year. While both dishwashers are energy-efficient, the KOSTCH offers slightly better energy savings, further enhancing its value.
Capacity and Loading Options
With a capacity of 15 place settings, the KOSTCH dishwasher is designed for larger households or those who frequently entertain guests. It features a third layer cutlery basket and an adjustable upper basket to accommodate taller items, making it incredibly versatile.
Conversely, the SPT dishwasher holds 8 place settings, which is adequate for smaller families or kitchens with limited space. Although it has two pull-out racks, it lacks the advanced loading features found in the KOSTCH. Users with larger dishwashing needs will find the KOSTCH far superior in terms of capacity and flexibility.
Price Comparison
The KOSTCH is priced at $999.00, while the SPT is about 17% cheaper at $449.99. This significant price difference reflects the advanced features and larger capacity of the KOSTCH dishwasher. For consumers on a budget or those with smaller dishwashing needs, the SPT provides a more economical option without sacrificing essential functionality.
However, for those willing to invest in a more robust and feature-rich dishwasher, the KOSTCH justifies its higher price with superior design and performance.
Which should you buy?
Ultimately, the decision between the KOSTCH 24 inch Built-In Dishwasher and the SPT SD-9254SSB 18″ Wide Built-In Stainless Steel Dishwasher depends on your specific needs. If you require a larger capacity, quieter operation, and more versatile wash programs, the KOSTCH is the clear winner despite its higher price tag. However, if budget and space are your primary concerns, the SPT dishwasher offers solid performance at a significantly lower price. Choose based on your household’s unique demands and preferences.

