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Siemens SK26E821EU Review | 59 Data compared

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  • Avg. price in UK: ~£520
  • Avg. price in US: ~$540
  • No. of place settings: 6
  • Energy efficiency class: C
  • Noise level: 48 dB
  • Overflow protection: yes
  • Height adjustable top basket: ?

Siemens SK26E821EU review. Compare 59 technical specifications and user reviews to see how this product ranks in the Dishwashers category and whether it is worth buying.

7.7

Overall score

What it is: An overall evaluation of products in the Dishwashers category, based on technical analysis and user reviews.

When it matters: When you need a quick reference for identifying the best products in the Dishwashers category.

Score components:

80.0%

7.4

Technical Score

20.0%

8.7

User score

Very good
7.4

Technical Score

What it is: An assessment of technical performance for products in the Dishwashers category across these key areas: Performance, Programmes, Features, Design.

When it matters: When you want to compare products in the Dishwashers category by technical performance, specifications, and available features.

Score components:

35.0%

8.1

Performance

30.0%

6.6

Features

25.0%

7.9

Programmes

10.0%

5.7

Design

Very good
8.7

User score

What it is: A rating that combines user reviews with the total review volume for products in the Dishwashers category.

When it matters: When you want to know how products in the Dishwashers category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

8.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.1
(49)

(Reviews last updated: August 2026)

Excellent
  • 7.8
    Efficient operation

    Score components:

    35.0%

    9.5

    Energy consumption per cycle

    25.0%

    10

    Water usage per cycle

    20.0%

    8.0

    Energy efficiency class

    10.0%

    2.3

    Noise level

    10.0%

    1.0

    No. of place settings

  • 4.5
    Quiet operation

    Score components:

    45.0%

    2.3

    Noise level

    20.0%

    6.0

    Noise emission class

    15.0%

    8.0

    Energy efficiency class

    10.0%

    9.5

    Energy consumption per cycle

    10.0%

    1.0

    No. of place settings

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Best prices in UK

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Siemens SK26E821EU is a compact countertop dishwasher measuring 450x551x500 mm with a 6 place-setting capacity, making it ideal for small households. It operates at a quiet 48 dB noise level and features 6 washing programs, an efficient iQdrive induction motor, an AquaStop leak protection system, an AquaSensor load detector, and a 24-hour delayed start timer. Main benefits include its space-saving tabletop design, optimized 8-liter water consumption per eco cycle, and a VarioSpeed option that cuts cycle times in half. However, its drawbacks include a lengthy standard cycle time of 225 minutes, a basic condenser drying system that occasionally leaves dishes damp, and a shaky cutlery basket layout that lacks a dedicated zone for large cookware.

Technical Specifications of dishwasher Siemens SK26E821EU

Technical Score

What it is: An assessment of technical performance for products in the Dishwashers category across these key areas: Performance, Programmes, Features, Design.

When it matters: When you want to compare products in the Dishwashers category by technical performance, specifications, and available features.

Score components:

35.0%

8.1

Performance

30.0%

6.6

Features

25.0%

7.9

Programmes

10.0%

5.7

Design

7.4
Siemens SK26E821EU has a technical score of 7.4 points, which is lower than 66.8% of products in this category.
User score

What it is: A rating that combines user reviews with the total review volume for products in the Dishwashers category.

When it matters: When you want to know how products in the Dishwashers category perform in everyday use and how reliable owners find them over time.

Score components:

70.0%

8.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.1
(49)

(Reviews last updated: August 2026)

8.7
Siemens SK26E821EU has a user score of 8.74 points, which is higher than 76.1% of products in this category.
Popularity
What it is: An indicator based on the number of reviews received by products in the Dishwashers category.
When it matters: When you prefer products in the Dishwashers category that have been chosen and reviewed by many other buyers.
10
Siemens SK26E821EU has a popularity of 10 points, which is higher than 65.6% of products in this category.
Ratio quality/price

What it is: An indicator that combines the overall score of products in the Dishwashers category with their prices.

When it matters: When you are comparing products in the Dishwashers category and want a good balance between quality and price.

Score components:

60.0%

7.7

Overall score

40.0%

7.8

Price

7.7
Siemens SK26E821EU has a quality-to-price ratio of 7.7 points, which is lower than 60.5% of products in this category.
Energy efficiency class
What it is: This attribute refers to Energy efficiency class.
When it matters: This matters if you have a preference for this specification.

Importance: HIGH

C
Siemens SK26E821EU has energy efficiency class C, which is better than that of 53.9% of dishwashers and equal to that of 20.8% of dishwashers.
Washing efficiency class
What it is: This attribute refers to Washing efficiency class.
When it matters: This matters if you have a preference for this specification.

Importance: MEDIUM

A
Siemens SK26E821EU has washing efficiency class A, which is better than that of 1.1% of dishwashers and equal to that of 98.9% of dishwashers.
Drying efficiency class
What it is: This attribute refers to Drying efficiency class.
When it matters: This matters if you have a preference for this specification.

Importance: MEDIUM

A
Siemens SK26E821EU has drying efficiency class A, which is better than that of 1.1% of dishwashers and equal to that of 98.9% of dishwashers.
Noise emission class
What it is: This attribute refers to Noise emission class.
When it matters: This matters if you have a preference for this specification.

Importance: MEDIUM

C
Siemens SK26E821EU has noise emission class C, which is worse than that of 55.5% of dishwashers and equal to that of 40.4% of dishwashers.
Energy consumption per cycle
What it is: This attribute refers to Energy consumption per cycle.
When it matters: This matters if you want to compare Energy consumption per cycle across dishwashers.

Importance: HIGH

0.61 kWh
Siemens SK26E821EU uses 0.61 kWh per cycle, which is lower than that of 82% of dishwashers and equal to that of 1.6% of dishwashers.
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No. of wash programs
What it is: This attribute refers to No. of wash programs.
When it matters: This matters if you want to compare No. of wash programs across dishwashers.

Importance: MEDIUM

6
Siemens SK26E821EU offers 6 wash programs, which is more than that of 22.1% of dishwashers and equal to that of 30.3% of dishwashers.
Quick wash program
What it is: This attribute shows whether the dishwasher has Quick wash program.
When it matters: This matters if you specifically want this feature.

Importance: MEDIUM

yes
Siemens SK26E821EU has a quick wash program. This feature is present in 99.6% of dishwashers.
Quick wash time
What it is: This attribute refers to Quick wash time.
When it matters: This matters if you want to compare Quick wash time across dishwashers.

Importance: MEDIUM

29 min
Siemens SK26E821EU completes its quick wash in 29 min, which is shorter than that of 77.6% of dishwashers and equal to that of 10% of dishwashers.
Eco wash time
What it is: This attribute refers to Eco wash time.
When it matters: This matters if you want to compare Eco wash time across dishwashers.

Importance: MEDIUM

225 min
Siemens SK26E821EU completes its Eco wash in 225 min, which is shorter than that of 60.5% of dishwashers and equal to that of 2.1% of dishwashers.
Delicate wash program
What it is: This attribute shows whether the dishwasher has Delicate wash program.
When it matters: This matters if you specifically want this feature.

Importance: LOW

yes
Siemens SK26E821EU has a delicate wash program. This feature is present in 59.9% of dishwashers.
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Automatic door opening
What it is: This attribute shows whether the dishwasher has Automatic door opening.
When it matters: This matters if you specifically want this feature.

Importance: HIGH

no
Siemens SK26E821EU does not have an automatic door-opening feature. This feature is present in 65.8% of dishwashers.
Touch screen
What it is: This attribute shows whether the dishwasher has Touch screen.
When it matters: This matters if you specifically want this feature.

Importance: LOW

no
Siemens SK26E821EU does not have a touch screen. This feature is present in 10.2% of dishwashers.
Load sensor
What it is: This attribute shows whether the dishwasher has Load sensor.
When it matters: This matters if you specifically want this feature.

Importance: MEDIUM

yes
Siemens SK26E821EU has a load sensor. This feature is present in 69.6% of dishwashers.
Overflow protection
What it is: This attribute shows whether the dishwasher has Overflow protection.
When it matters: This matters if you specifically want this feature.

Importance: HIGH

yes
Siemens SK26E821EU has overflow protection. This feature is present in 97.1% of dishwashers.
Adjustable water softener
What it is: This attribute shows whether the dishwasher has Adjustable water softener.
When it matters: This matters if you specifically want this feature.

Importance: MEDIUM

yes
Siemens SK26E821EU has an adjustable water softener. This feature is present in 99% of dishwashers.
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Type of installation
What it is: This attribute refers to Type of installation.
When it matters: This matters if you have a preference for this specification.

Importance: LOW

built-in
No. of place settings
What it is: This attribute refers to No. of place settings.
When it matters: This matters if you want to compare No. of place settings across dishwashers.

Importance: MEDIUM

6
Siemens SK26E821EU holds 6 place settings, which is fewer than that of 95.6% of dishwashers and equal to that of 2.8% of dishwashers.
Cutlery basket
What it is: This attribute shows whether the dishwasher has Cutlery basket.
When it matters: This matters if you specifically want this feature.

Importance: LOW

yes
Siemens SK26E821EU has a cutlery basket. This feature is present in 58.4% of dishwashers.
Height adjustable top basket
What it is: This attribute shows whether the dishwasher has Height adjustable top basket.
When it matters: This matters if you specifically want this feature.

Importance: LOW

?
Digital display
What it is: This attribute shows whether the dishwasher has Digital display.
When it matters: This matters if you specifically want this feature.

Importance: LOW

yes
Siemens SK26E821EU has a digital display. This feature is present in 90.3% of dishwashers.
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Siemens SK26E821EU vs the average dishwasher

  • 1.5 L lower water usage per cycle
    Siemens SK26E821EU uses less water per cycle than the average dishwasher (8 L vs 9.5 L).
    What it is: This attribute refers to Water usage per cycle.
    When it matters: This matters if you want to compare Water usage per cycle across dishwashers.

    Importance: HIGH

    Siemens SK26E821EU uses less water per cycle than the average dishwasher (8 L vs 9.5 L).8 L vs 9.5 L
  • Has a hygiene programme
    Siemens SK26E821EU has a hygiene programme, while the average dishwasher does not have a hygiene programme. 32.2% of dishwashers have a hygiene programme.
    What it is: This attribute shows whether the dishwasher has Hygiene programme.
    When it matters: This matters if you specifically want this feature.

    Importance: MEDIUM

    Siemens SK26E821EU has a hygiene programme, while the average dishwasher does not have a hygiene programme. 32.2% of dishwashers have a hygiene programme.
  • 0.14 kWh lower energy consumption per cycle
    Siemens SK26E821EU uses less energy per cycle than the average dishwasher (0.6 kWh vs 0.75 kWh).
    What it is: This attribute refers to Energy consumption per cycle.
    When it matters: This matters if you want to compare Energy consumption per cycle across dishwashers.

    Importance: HIGH

    Siemens SK26E821EU uses less energy per cycle than the average dishwasher (0.6 kWh vs 0.75 kWh).0.61 kWh vs 0.75 kWh
  • 420 L/year lower annual water consumption
    Siemens SK26E821EU uses less water annually than the average dishwasher (2240 L/year vs 2660 L/year).
    What it is: This attribute refers to Annual water consumption.
    When it matters: This matters if you want to compare Annual water consumption across dishwashers.

    Importance: MEDIUM

    Siemens SK26E821EU uses less water annually than the average dishwasher (2240 L/year vs 2660 L/year).2240 L/year vs 2660 L/year
  • 1 more wash temperatures
    Siemens SK26E821EU offers more wash temperatures than the average dishwasher (5 vs 4).
    What it is: This attribute refers to No. of wash temperatures.
    When it matters: This matters if you want to compare No. of wash temperatures across dishwashers.

    Importance: MEDIUM

    Siemens SK26E821EU offers more wash temperatures than the average dishwasher (5 vs 4).5 vs 4
  • 1 min shorter quick wash time
    Siemens SK26E821EU finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).
    What it is: This attribute refers to Quick wash time.
    When it matters: This matters if you want to compare Quick wash time across dishwashers.

    Importance: MEDIUM

    Siemens SK26E821EU finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).29 min vs 30 min
  • Better energy efficiency class
    Siemens SK26E821EU has a better energy efficiency class than the average dishwasher (C vs D).
    What it is: This attribute refers to Energy efficiency class.
    When it matters: This matters if you have a preference for this specification.

    Importance: HIGH

    Siemens SK26E821EU has a better energy efficiency class than the average dishwasher (C vs D).C vs D
  • 37 cm shorter height
    Siemens SK26E821EU is shorter than the average dishwasher (45 cm vs 82 cm).
    What it is: This attribute refers to Height.
    When it matters: This matters if you want to compare Height across dishwashers.

    Importance: LOW

    Siemens SK26E821EU is shorter than the average dishwasher (45 cm vs 82 cm).45 cm vs 82 cm
  • 1.5 L lower water usage per cycle
    Siemens SK26E821EU uses less water per cycle than the average dishwasher (8 L vs 9.5 L).
  • 0.14 kWh lower energy consumption per cycle
    Siemens SK26E821EU uses less energy per cycle than the average dishwasher (0.6 kWh vs 0.75 kWh).
  • 420 L/year lower annual water consumption
    Siemens SK26E821EU uses less water annually than the average dishwasher (2240 L/year vs 2660 L/year).
  • 1 more wash temperatures
    Siemens SK26E821EU offers more wash temperatures than the average dishwasher (5 vs 4).
  • Better energy efficiency class
    Siemens SK26E821EU has a better energy efficiency class than the average dishwasher (C vs D).
  • Has a hygiene programme
    Siemens SK26E821EU has a hygiene programme, while the average dishwasher does not have a hygiene programme. 32.2% of dishwashers have a hygiene programme.
  • 1 min shorter quick wash time
    Siemens SK26E821EU finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).
  • 10 min shorter Eco wash time
    Siemens SK26E821EU finishes the Eco wash sooner than the average dishwasher (225 min vs 235 min).
  • 37 cm shorter height
    Siemens SK26E821EU is shorter than the average dishwasher (45 cm vs 82 cm).
  • 6 cm shallower depth
    Siemens SK26E821EU is shallower than the average dishwasher (50 cm vs 56 cm).
  • 17.1 kg lighter weight
    Siemens SK26E821EU is lighter than the average dishwasher (22 kg vs 39.1 kg).
  • 4.7 cm narrower width
    Siemens SK26E821EU is narrower than the average dishwasher (55.1 cm vs 59.8 cm).
  • 0.2 m longer cable length
    Siemens SK26E821EU has a longer cable than the average dishwasher (1.7 m vs 1.5 m).

Total
Overall
Performance
Programmes
Design
  • Uses a different motor type
    Siemens SK26E821EU uses standard, while the average dishwasher uses inverter.
  • 4 dB higher noise level
    Siemens SK26E821EU has a higher noise level than the average dishwasher (48 dB vs 44 dB).
  • Worse noise emission class
    Siemens SK26E821EU has a worse noise emission class than the average dishwasher (C vs B).
  • Does not have a half-load option
    Siemens SK26E821EU does not have a half-load option, while the average dishwasher has a half-load option. 72.7% of dishwashers have a half-load option.
  • Does not have a quiet wash program
    Siemens SK26E821EU does not have a quiet wash program, while the average dishwasher has a quiet wash program. 59.9% of dishwashers have a quiet wash program.
  • Does not have a favorite cycle
    Siemens SK26E821EU does not have a favorite cycle, while the average dishwasher has a favorite cycle. 67.4% of dishwashers have a favorite cycle.
  • Does not have an automatic door-opening feature
    Siemens SK26E821EU does not have an automatic door-opening feature, while the average dishwasher has an automatic door-opening feature. 65.7% of dishwashers have an automatic door-opening feature.
  • Does not have a detergent tablet counter in the app
    Siemens SK26E821EU does not have a detergent tablet counter in the app, while the average dishwasher has a detergent tablet counter in the app. 67.1% of dishwashers have a detergent tablet counter in the app.
  • 8 fewer place settings
    Siemens SK26E821EU holds fewer place settings than the average dishwasher (6 vs 14).
  • Does not have a child lock
    Siemens SK26E821EU does not have a child lock, while the average dishwasher has a child lock. 52.4% of dishwashers have a child lock.
  • 0.05 m shorter supply hose length
    Siemens SK26E821EU has a shorter supply hose than the average dishwasher (1.5 m vs 1.55 m).
  • Uses a different motor type
    Siemens SK26E821EU uses standard, while the average dishwasher uses inverter.
    What it is: This attribute refers to Motor type.
    When it matters: This matters if you have a preference for this specification.

    Importance: HIGH

    Siemens SK26E821EU uses standard, while the average dishwasher uses inverter.standard vs inverter
  • Does not have an automatic door-opening feature
    Siemens SK26E821EU does not have an automatic door-opening feature, while the average dishwasher has an automatic door-opening feature. 65.7% of dishwashers have an automatic door-opening feature.
    What it is: This attribute shows whether the dishwasher has Automatic door opening.
    When it matters: This matters if you specifically want this feature.

    Importance: HIGH

    Siemens SK26E821EU does not have an automatic door-opening feature, while the average dishwasher has an automatic door-opening feature. 65.7% of dishwashers have an automatic door-opening feature.
  • 8 fewer place settings
    Siemens SK26E821EU holds fewer place settings than the average dishwasher (6 vs 14).
    What it is: This attribute refers to No. of place settings.
    When it matters: This matters if you want to compare No. of place settings across dishwashers.

    Importance: MEDIUM

    Siemens SK26E821EU holds fewer place settings than the average dishwasher (6 vs 14).6 vs 14
  • 4 dB higher noise level
    Siemens SK26E821EU has a higher noise level than the average dishwasher (48 dB vs 44 dB).
    What it is: This attribute refers to Noise level.
    When it matters: This matters if you want to compare Noise level across dishwashers.

    Importance: HIGH

    Siemens SK26E821EU has a higher noise level than the average dishwasher (48 dB vs 44 dB).48 dB vs 44 dB
  • Does not have a half-load option
    Siemens SK26E821EU does not have a half-load option, while the average dishwasher has a half-load option. 72.7% of dishwashers have a half-load option.
    What it is: This attribute shows whether the dishwasher has Half load option.
    When it matters: This matters if you specifically want this feature.

    Importance: MEDIUM

    Siemens SK26E821EU does not have a half-load option, while the average dishwasher has a half-load option. 72.7% of dishwashers have a half-load option.
  • Worse noise emission class
    Siemens SK26E821EU has a worse noise emission class than the average dishwasher (C vs B).
    What it is: This attribute refers to Noise emission class.
    When it matters: This matters if you have a preference for this specification.

    Importance: MEDIUM

    Siemens SK26E821EU has a worse noise emission class than the average dishwasher (C vs B).C vs B
  • Does not have a quiet wash program
    Siemens SK26E821EU does not have a quiet wash program, while the average dishwasher has a quiet wash program. 59.9% of dishwashers have a quiet wash program.
    What it is: This attribute shows whether the dishwasher has Quiet wash program.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Siemens SK26E821EU does not have a quiet wash program, while the average dishwasher has a quiet wash program. 59.9% of dishwashers have a quiet wash program.
  • Does not have a detergent tablet counter in the app
    Siemens SK26E821EU does not have a detergent tablet counter in the app, while the average dishwasher has a detergent tablet counter in the app. 67.1% of dishwashers have a detergent tablet counter in the app.
    What it is: This attribute shows whether the dishwasher has Tab counter.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Siemens SK26E821EU does not have a detergent tablet counter in the app, while the average dishwasher has a detergent tablet counter in the app. 67.1% of dishwashers have a detergent tablet counter in the app.
Total
Overall
Performance
Programmes
Features
Design

Graphic comparison of Siemens SK26E821EU and other products in the Dishwashers category

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
amazon
4.1
49 Reviews

(Reviews last updated: August 2026)

What customers like about Siemens SK26E821EU?

  • Perfect compact size for small households and limited kitchen spaces
  • Highly efficient and thorough cleaning performance leaving dishes sparkling
  • Quiet operation powered by a durable iQdrive inverter motor
  • Excellent drying efficiency, enhanced by an extraDry intensified cycle
  • Low water consumption using very little water per wash program
  • Reliable built-in safety features like the aquaStop leak-proof system
  • User-friendly interface featuring an intuitive digital remaining-time display

What customers dislike about Siemens SK26E821EU?

  • Limited capacity accommodating only 6 place settings
  • Lacks a dedicated intensive cleaning zone for heavily soiled large pots and oven pans
  • Standard eco wash program cycles can take a long time to complete
  • Minor user complaints regarding the stability and layout of the cutlery basket

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