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20 Inch Dishwasher Comparison - May 2026
| 1 Best Choice  9.7Exceptional | 2  9.6Exceptional | 3  9.5Excellent | 4  9.4Excellent | 5 Best Value  9.3Excellent | 6  9.2Excellent |
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ModelEdgeStar BIDW1802SS 18 Inch Wide 8 Place Setting Built-In Dishwasher | Model Midea MDF18A1AST Built-in Dishwasher with 8 Place Settings, 6 Washing Programs, Stainless Steel Tub, Heated Dry, Energy Star | Model SPT SD-9254SSA 18″ Wide Built-In Stainless Steel Dishwasher w/Heated Drying, ENERGY STAR, 6 Wash Programs, 8 Place Settings and Stainless Steel Tub | Model Honeywell 18-Inch Dishwasher with 8 Place Settings, 6 Washing Programs, Stainless Steel Tub, UL & Energy Star Certified, Stainless Finish | Model Midea MDF18A1AWW Built-in Dishwasher with 8 Place Settings, 6 Washing Programs, Stainless Steel Tub, Heated Dry, Energy Star, White | Model Midea MDF18A1ABB Built-in Dishwasher with 8 Place Settings, 6 Washing Programs, Stainless Steel Tub, Heated Dry, Energy Star, Black |
BrandEdgeStar | Brand Midea | Brand SPT | Brand Honeywell | Brand Midea | Brand Midea |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews |
Tech Specs | |||||
form factorBuilt-In | form factor ‎Built-In | form factor Built-In | form factor ‎Freestanding | form factor Built-In | form factor Built-In |
item weight62.8 pounds | item weight ‎54.6 pounds | item weight 54 pounds | item weight ‎70 pounds | item weight 54.6 pounds | item weight 54.6 pounds |
voltage120 Volts | voltage ‎120 Volts | voltage 120 | voltage ‎115.0 | voltage 120 Volts | voltage 120 Volts |
finish typeStainless Steel | finish type ‎Stainless steel | finish type Stainless | finish type ‎Stainless Steel | finish type Stainless steel | finish type Stainless steel |
product dimensions17.63 x 22.44 x 32.5 inches | product dimensions ‎22.6 x 17.6 x 32.4 inches | product dimensions - | product dimensions ‎18 x 22.6 x 32 inches | product dimensions 22.6 x 17.6 x 32.4 inches | product dimensions 22.6 x 17.6 x 32.4 inches |
option cycles6 | option cycles ‎6 | option cycles - | option cycles ‎6 | option cycles 6 | option cycles 6 |
material type- | material type ‎Stainless Steel | material type Stainless Steel | material type ‎Stainless Steel | material type Stainless Steel | material type Stainless Steel |
annual energy consumption- | annual energy consumption ‎234 Kilowatt Hours Per Year | annual energy consumption 234 Kilowatt Hours Per Year | annual energy consumption ‎234 Kilowatt Hours Per Year | annual energy consumption 234 Kilowatt Hours Per Year | annual energy consumption 234 Kilowatt Hours Per Year |
special features- | special features ‎Digital Display | special features Automatic Dispensers: detergent and rinse agent, Energy Star: meets or exceeds federal guidelines for energy efficiency for year-round energy and money savings | special features ‎Quick Wash, Space Saver, Timer Delay | special features Digital Display | special features Digital Display |
brand name- | brand name ‎Midea | brand name SPT | brand name ‎Honeywell | brand name Midea | brand name Midea |
batteries required- | batteries required ‎No | batteries required No | batteries required ‎No | batteries required No | batteries required No |
model info- | model info ‎MDF18A1AST | model info SD-9254SSA | model info ‎HDS18SS | model info MDF18A1AWW | model info MDF18A1ABB |
display typeLED | display type ‎LED | display type - | display type - | display type LED | display type LED |
styleModern | style ‎Modern | style Dishwasher | style - | style Dishwasher | style - |
cycle optionsHeated Dry, Normal | cycle options ‎Delicate, Economy, Heavy, Normal, Rapid | cycle options Heated Dry | cycle options ‎Delicate, Economy, Normal, Rapid, heavy | cycle options - | cycle options - |
number of settings9 | number of settings ‎6 | number of settings - | number of settings ‎6 | number of settings - | number of settings - |
bee star ratingYes | bee star rating ‎true | bee star rating - | bee star rating ‎Yes | bee star rating - | bee star rating - |
inner materialStainless Steel | inner material ‎Stainless Steel | inner material - | inner material ‎Stainless Steel | inner material - | inner material - |
water consumption- | water consumption ‎15.5 Gallons per Hour | water consumption - | water consumption - | water consumption 15.5 Gallons per Hour | water consumption 15.5 Gallons per Hour |
Review- | Review - | Review | Review - | Review - | Review - |
Available On  | Available On  | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1EdgeStarEdgeStar BIDW1802SS 18 Inch Wide 8 Place Setting Built-In Dishwasher
Why we love it
Compact size fits small spaces easily.
Quiet operation at only 52dB.
Effective cleaning with multiple wash cycles.
Main highlights- Six (6) Wash Cycles: Heavy, Normal, ECO, Glass, Rapid, and Rinse; Three (3) Options: Sanitize, Hi Temp, Heated Dry
- Quiet 52dB operation keeps the disturbance to a minimum; Dimensions 32.5" H x 17.6" W x 22.4" D; Depth w/ door open: 42.25"; Cutout dimensions: 32.5" H x 17.75" W x 23" D Weight: 52.9 lbs
- Leakage sensor automatically shuts off water flow when a leak is detected to protect your home from water damage
- At only 17.75 inches wide, using this unit to replace an older appliance such as a trash compactor is a great option.
- Accommodates up to eight (8) place settings and features a silverware basket and cup tray
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9.6
2Midea
Midea MDF18A1AST Built-in Dishwasher with 8 Place Settings, 6 Washing Programs, Stainless Steel Tub, Heated Dry, Energy Star
Why we love it
Compact design saves space.
Quiet operation is perfect for small areas.
Accommodates larger dishes easily.
Main highlights- Slimline Design with Large Capacity : The Midea built-in dishwasher boasts a slim body that takes up minimal space and is easy to fit. It features a digital control panel with an LED display and has been thoughtfully designed to accommodate larger plates, pots, and pans up to 11 inches in height.
- Heated Dry : Smart dishwasher ensures the best drying performance. The extra drying function offers a thorough drying performance (except for the Rapid and Self-clean cycle) with no additional towel drying required.
- HI TEMP : The HYGIENE wash cycle maintains the water temperature at 136°F (58°C) max , which can tackle even the heaviest soiled dishes. It is also suitable for cleaning baby bottles and children's dinner sets.
- 8 Place Settings Dishwasher : With dimensions of 22.6D x 17.6W x 32.4H with adjustable legs, this under sink dishwasher provides a spacious and flexible interior for maximum dishware loading.
- 6 programs+3 functions : The 18-inch dishwasher offers six programs, including Heavy, Normal, ECO, Delicate, Quick, and Rinse washing programs. It also features Heated Dry, Hi-Temp, and Sanitize functions that meet all your daily needs. Note: ONLY use detergent specially for dishwasher because regular liquid dish soap will cause dishwasher problems.
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9.5
3SPT
SPT SD-9254SSA 18″ Wide Built-In Stainless Steel Dishwasher w/Heated Drying, ENERGY STAR, 6 Wash Programs, 8 Place Settings and Stainless Steel Tub
Why we love it
Energy-efficient and cost-saving.
Compact size fits small kitchens.
Effective cleaning without pre-rinsing.
Main highlights- Time Delay Feature: Allows You To Program Operation At A Later Start Time (1-24 Hours)
- Rinse Aid Warning Indicator: Refill Reminder On Rinse Aid.
- Heating Function During Drying Cycle
- Error Alarm: Displays Fault Codes
Our ranking system
At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
