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18-Inch Dishwashers

All dishwashers

20 18-inch dishwashers from ZLINE Kitchen and Bath, SPT, Avanti and more. Most cost $449 to $623, and half cost less than $494.

Top brands: SPT (11)

All filtersFilters (2)×
Width: 18 inch  ×ENERGY STAR: ENERGY STAR  ×Clear all
BrandSPT11BLACK+DECKER2Avanti1Comfee'1EdgeStar1Honeywell1Kenmore1KoolMore1Midea1
TypeBuilt-in10Portable9
Width18 inch20
Place settings7 to 8139 or more1
Noise level50 dB and up245 to 49 dB1
Stainless steelStainless steel16
ENERGY STARENERGY STAR20
PriceUnder $5009Under $6001Under $7005Under $9001$600 & above6
Clear allShow 20 dishwashers
Width: 18 inch  ×ENERGY STAR: ENERGY STAR  ×20 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
MideaSpec score 9.2

Built-in, 18 inch, 7 to 8

+Built-in installation for a fixed kitchen setup
+Stainless steel tub
+Energy Star certified
$448.97
as of 11/04/2026 00:12 PST - Details
SPT

Built-in, 18 inch

+Compact 18-inch width suits small kitchens
+ENERGY STAR certified for lower energy use
+Heated drying helps dishes dry more fully
$467.85
as of 11/04/2026 04:39 PST - Details
BLACK+DECKER

Portable, 18 inch

+Portable design can move between spaces
+18 inch width suits compact kitchens
+Energy Star certified
$609.99
as of 11/04/2026 13:39 PST - Details
SPTSpec score 9.2

Built-in, 18 inch, 7 to 8

+Compact 18-inch width suits small kitchens
+Stainless steel tub resists staining and rust
+ENERGY STAR certified for lower energy use
$461.99
as of 11/04/2026 04:39 PST - Details
BLACK+DECKER

Portable, 18 inch

+Portable design can move between spaces
+18 inch width suits compact kitchens
+Energy Star certified
$622.68
as of 11/04/2026 13:39 PST - Details
SPTSpec score 9.2

Portable, 18 inch, 7 to 8

+Portable design for flexible placement in a kitchen
+18 inch width fits in tighter spaces
+ENERGY STAR certified for energy efficiency
$623.48
as of 11/04/2026 04:39 PST - Details
Comfee'Spec score 9.2

Built-in, 18 inch, 7 to 8, 50 dB and up

+Stainless steel tub resists rust and staining
+Energy Star certified for lower energy use
+Fits standard 18 inch cabinet openings
−Operates at 50 dB and up
−Requires permanent installation into cabinetry
$459.00
as of 11/03/2026 22:26 PST - Details
SPT

Portable, 18 inch

+Portable design for flexible placement in a kitchen
+Compact 18 inch width for small kitchens
+ENERGY STAR certified
−Portable units need a faucet connection to operate
$599.99
as of 11/04/2026 02:36 PST - Details
KenmoreSpec score 9.5

Built-in, 18 inch, 9 or more, 45 to 49 dB

+Compact 18 inch width for smaller kitchens
+Third rack for extra dish space
+Fingerprint resistant stainless steel
−Noise level of 45 to 49 dB
$849.99
as of 11/03/2026 23:44 PST - Details
SPTSpec score 9.2

Portable, 18 inch, 7 to 8

+Portable design for flexible placement in a kitchen
+18 inch width fits in tighter spaces
+ENERGY STAR certified for energy efficiency
$622.85
as of 11/04/2026 04:39 PST - Details
HoneywellSpec score 9.2

18 inch, 7 to 8

+Compact 18 inch width for smaller kitchens
+Stainless steel tub
+Energy Star certified
$439.99
as of 11/03/2026 23:26 PST - Details
EdgeStarSpec score 9.2

Built-in, 18 inch, 7 to 8

+Energy Star rated for lower energy use
+Built-in installation fits a standard 18 inch opening
+Holds 7 to 8 place settings per load
$499.00
as of 11/03/2026 22:47 PST - Details
SPTSpec score 9.2

Portable, 18 inch, 7 to 8

+Portable design for flexible placement in a kitchen
+18 inch width fits in tighter spaces
+ENERGY STAR certified for energy efficiency
$622.85
as of 11/04/2026 04:39 PST - Details
SPTSpec score 9.2

Portable, 18 inch, 7 to 8

+Portable design for flexible placement in a kitchen
+18 inch width fits in tighter spaces
+Stainless steel tub listed
No price recorded yet.
SPT

Portable, 18 inch

+Portable design for flexible placement in a kitchen
+18 inch width fits in tighter spaces
+ENERGY STAR certified for energy efficiency
No price recorded yet.
SPTSpec score 9.2

Built-in, 18 inch, 7 to 8

+Compact 18-inch width suits small kitchens
+Stainless steel tub resists staining and rust
+ENERGY STAR certified for lower energy use
$488.75
as of 11/04/2026 04:39 PST - Details
SPTSpec score 9.2

Portable, 18 inch, 7 to 8

+Portable design for flexible placement in a kitchen
+18 inch width fits in tighter spaces
+Stainless steel tub listed
No price recorded yet.
SPTSpec score 9.2

Built-in, 18 inch, 7 to 8

+Compact 18-inch width suits small kitchens
+Stainless steel tub resists staining and rust
+ENERGY STAR certified for lower energy use
$448.85
as of 11/04/2026 04:39 PST - Details
KoolMoreSpec score 9.2

Built-in, 18 inch, 7 to 8, 50 dB and up

+7 to 8: only 1 of 16 here have more place settings
+50 dB and up: only 4 of 29 here have a lower noise level
No price recorded yet.
Avanti

Built-in, 18 inch

+ENERGY STAR: only 20 of 52 here have one
$419.99
as of 11/04/2026 12:38 PST - Details

Compare specs

dishwasherWidthNoise levelSpec scorePrice
18 inch9.2$448.97
as of 11/04/2026 00:12 PST - Details
18 inchn/a$467.85
as of 11/04/2026 04:39 PST - Details
18 inchn/a$609.99
as of 11/04/2026 13:39 PST - Details
18 inch9.2$461.99
as of 11/04/2026 04:39 PST - Details
18 inchn/a$622.68
as of 11/04/2026 13:39 PST - Details
18 inch9.2$623.48
as of 11/04/2026 04:39 PST - Details
18 inch50 dB and up9.2$459.00
as of 11/03/2026 22:26 PST - Details
18 inchn/a$599.99
as of 11/04/2026 02:36 PST - Details
18 inch45 to 49 dB9.5$849.99
as of 11/03/2026 23:44 PST - Details
18 inch9.2$622.85
as of 11/04/2026 04:39 PST - Details

Before you buy

Other Width options

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Popular filters

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.