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Siemens SN23EI03KE Review | 59 Data compared

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  • Avg. price in UK: ~£620
  • Avg. price in US: ~$830
  • No. of place settings: 13
  • Energy efficiency class: B
  • Noise level: 42 dB
  • Overflow protection: yes
  • Height adjustable top basket: yes

Siemens SN23EI03KE review. Compare 59 technical specifications and user reviews to see how this product ranks in the Dishwashers category and whether it is worth buying.

8.8

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%

8.8

Technical Score

20.0%

9.1

User score

Excellent
8.8

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%

8.9

Performance

30.0%

9.5

Features

25.0%

8.1

Programmes

10.0%

7.4

Design

Excellent
9.1

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%

9.0

User reviews

30.0%

9.2

Popularity

User score:
United Kingdom
amazon
4.5
(8)

(Reviews last updated: August 2026)

Exceptional
  • 9.1
    Efficient operation

    Score components:

    35.0%

    8.6

    Energy consumption per cycle

    25.0%

    10

    Water usage per cycle

    20.0%

    9.0

    Energy efficiency class

    10.0%

    10

    Noise level

    10.0%

    8.2

    No. of place settings

  • 9.1
    Quiet operation

    Score components:

    45.0%

    10

    Noise level

    20.0%

    8.0

    Noise emission class

    15.0%

    9.0

    Energy efficiency class

    10.0%

    8.6

    Energy consumption per cycle

    10.0%

    8.2

    No. of place settings

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  • siemens-sn23ei03ke
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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 SN23EI03KE iQ300 is a 60 cm freestanding anti-fingerprint stainless steel dishwasher featuring a 13 place setting capacity, an energy-efficient iQdrive motor, and a highly competitive Class B energy rating consuming 64 kWh per 100 cycles and 9 liters of water per eco cycle. Its main advantages include a very quiet 42 dB operating volume, smart control functionality via the Home Connect app, variable loading flexibility with the varioFlex basket system alongside a 3-stage rackMatic top basket, and an automated autoOpen Dry heat exchanger system that opens the door at the end of the program to enhance performance. On the downside, the dishwasher lacks a dedicated third cutlery drawer, utilizing a standard lower basket cutlery basket instead, and its resource-saving Eco 50°C program features a lengthy cycle duration of 3 hours and 35 minutes.

Technical Specifications of dishwasher Siemens SN23EI03KE

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%

8.9

Performance

30.0%

9.5

Features

25.0%

8.1

Programmes

10.0%

7.4

Design

8.8
Siemens SN23EI3KE has a technical score of 8.75 points, which is higher than 91.1% 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%

9.0

User reviews

30.0%

9.2

Popularity

User score:
United Kingdom
amazon
4.5
(8)

(Reviews last updated: August 2026)

9.1
Siemens SN23EI3KE has a user score of 9.07 points, which is higher than 87.8% 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.
9.2
Siemens SN23EI3KE has a popularity of 9.2 points, which is higher than 64.7% 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%

8.8

Overall score

40.0%

7.2

Price

8.3
Siemens SN23EI3KE has a quality-to-price ratio of 8.3 points, which is higher than 77.9% 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

B
Siemens SN23EI3KE has energy efficiency class B, which is better than that of 74.8% of dishwashers and equal to that of 13.4% 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

?
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 SN23EI3KE 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

B
Siemens SN23EI3KE has noise emission class B, which is better than that of 44.6% of dishwashers and equal to that of 54.2% 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

0.645 kWh
Siemens SN23EI3KE uses 0.645 kWh per cycle, which is lower than that of 70.6% of dishwashers and equal to that of 5.9% 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 SN23EI3KE 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 SN23EI3KE 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 SN23EI3KE 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

215 min
Siemens SN23EI3KE completes its Eco wash in 215 min, which is shorter than that of 68.6% of dishwashers and equal to that of 7.6% 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

?
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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

yes
Siemens SN23EI3KE has an automatic door-opening feature. This feature is present in 65.7% 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 SN23EI3KE 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 SN23EI3KE 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 SN23EI3KE 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 SN23EI3KE 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

freestanding
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

13
Siemens SN23EI3KE holds 13 place settings, which is fewer than that of 55.2% of dishwashers and equal to that of 20.7% 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 SN23EI3KE 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

yes
Siemens SN23EI3KE has a height-adjustable top basket. This feature is present in 93% of dishwashers.
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 SN23EI3KE has a digital display. This feature is present in 90.3% of dishwashers.
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Siemens SN23EI03KE vs the average dishwasher

  • Has a self-cleaning filter system
    Siemens SN23EI3KE has a self-cleaning filter system, while the average dishwasher does not have a self-cleaning filter system. 33.8% of dishwashers have a self-cleaning filter system.
    What it is: This attribute shows whether the dishwasher has Self-cleaning filter system.
    When it matters: This matters if you specifically want this feature.

    Importance: HIGH

    Siemens SN23EI3KE has a self-cleaning filter system, while the average dishwasher does not have a self-cleaning filter system. 33.8% of dishwashers have a self-cleaning filter system.
  • Better energy efficiency class
    Siemens SN23EI3KE has a better energy efficiency class than the average dishwasher (B 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 SN23EI3KE has a better energy efficiency class than the average dishwasher (B vs D).B vs D
  • Supports Wi-Fi
    Siemens SN23EI3KE supports Wi-Fi, while the average dishwasher does not support Wi-Fi. 44.1% of dishwashers support Wi-Fi.
    What it is: This attribute shows whether the dishwasher has Wi-Fi.
    When it matters: This matters if you specifically want this feature.

    Importance: MEDIUM

    Siemens SN23EI3KE supports Wi-Fi, while the average dishwasher does not support Wi-Fi. 44.1% of dishwashers support Wi-Fi.
  • 2 dB lower noise level
    Siemens SN23EI3KE has a lower noise level than the average dishwasher (42 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 SN23EI3KE has a lower noise level than the average dishwasher (42 dB vs 44 dB).42 dB vs 44 dB
  • Supports voice control
    Siemens SN23EI3KE supports voice control, while the average dishwasher does not support voice control. 39.8% of dishwashers support voice control.
    What it is: This attribute shows whether the dishwasher has Voice control.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Siemens SN23EI3KE supports voice control, while the average dishwasher does not support voice control. 39.8% of dishwashers support voice control.
  • 0.5 L lower water usage per cycle
    Siemens SN23EI3KE uses less water per cycle than the average dishwasher (9 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 SN23EI3KE uses less water per cycle than the average dishwasher (9 L vs 9.5 L).9 L vs 9.5 L
  • 0.11 kWh lower energy consumption per cycle
    Siemens SN23EI3KE 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 SN23EI3KE uses less energy per cycle than the average dishwasher (0.6 kWh vs 0.75 kWh).0.645 kWh vs 0.75 kWh
  • 1 min shorter quick wash time
    Siemens SN23EI3KE 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 SN23EI3KE finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).29 min vs 30 min
  • Better energy efficiency class
    Siemens SN23EI3KE has a better energy efficiency class than the average dishwasher (B vs D).
  • 2 dB lower noise level
    Siemens SN23EI3KE has a lower noise level than the average dishwasher (42 dB vs 44 dB).
  • 0.11 kWh lower energy consumption per cycle
    Siemens SN23EI3KE uses less energy per cycle than the average dishwasher (0.6 kWh vs 0.75 kWh).
  • 0.5 L lower water usage per cycle
    Siemens SN23EI3KE uses less water per cycle than the average dishwasher (9 L vs 9.5 L).
  • 140 L/year lower annual water consumption
    Siemens SN23EI3KE uses less water annually than the average dishwasher (2520 L/year vs 2660 L/year).
  • 1 min shorter quick wash time
    Siemens SN23EI3KE finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).
  • 20 min shorter Eco wash time
    Siemens SN23EI3KE finishes the Eco wash sooner than the average dishwasher (215 min vs 235 min).
  • Has a self-cleaning filter system
    Siemens SN23EI3KE has a self-cleaning filter system, while the average dishwasher does not have a self-cleaning filter system. 33.8% of dishwashers have a self-cleaning filter system.
  • Supports Wi-Fi
    Siemens SN23EI3KE supports Wi-Fi, while the average dishwasher does not support Wi-Fi. 44.1% of dishwashers support Wi-Fi.
  • Supports voice control
    Siemens SN23EI3KE supports voice control, while the average dishwasher does not support voice control. 39.8% of dishwashers support voice control.
  • 0.25 m longer cable length
    Siemens SN23EI3KE has a longer cable than the average dishwasher (1.8 m vs 1.5 m).
  • 0.1 m longer supply hose length
    Siemens SN23EI3KE has a longer supply hose than the average dishwasher (1.7 m vs 1.55 m).

Total
Overall
Performance
Programmes
Features
Design
  • Uses a different motor type
    Siemens SN23EI3KE uses brushless, while the average dishwasher uses inverter.
  • 1 fewer place settings
    Siemens SN23EI3KE holds fewer place settings than the average dishwasher (13 vs 14).
  • 4 cm deeper depth
    Siemens SN23EI3KE is deeper than the average dishwasher (60 cm vs 56 cm).
  • 2.5 cm taller height
    Siemens SN23EI3KE is taller than the average dishwasher (84.5 cm vs 82 cm).
  • 11.8 kg heavier weight
    Siemens SN23EI3KE is heavier than the average dishwasher (50.9 kg vs 39.1 kg).
  • 0.2 cm wider width
    Siemens SN23EI3KE is wider than the average dishwasher (60 cm vs 59.8 cm).
  • Uses a different motor type
    Siemens SN23EI3KE uses brushless, 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 SN23EI3KE uses brushless, while the average dishwasher uses inverter.brushless vs inverter
  • 1 fewer place settings
    Siemens SN23EI3KE holds fewer place settings than the average dishwasher (13 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 SN23EI3KE holds fewer place settings than the average dishwasher (13 vs 14).13 vs 14
  • 4 cm deeper depth
    Siemens SN23EI3KE is deeper than the average dishwasher (60 cm vs 56 cm).
    What it is: This attribute refers to Depth.
    When it matters: This matters if you want to compare Depth across dishwashers.

    Importance: LOW

    Siemens SN23EI3KE is deeper than the average dishwasher (60 cm vs 56 cm).60 cm vs 56 cm
  • 2.5 cm taller height
    Siemens SN23EI3KE is taller than the average dishwasher (84.5 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 SN23EI3KE is taller than the average dishwasher (84.5 cm vs 82 cm).84.5 cm vs 82 cm
  • 11.8 kg heavier weight
    Siemens SN23EI3KE is heavier than the average dishwasher (50.9 kg vs 39.1 kg).
    What it is: This attribute refers to Weight.
    When it matters: This matters if you want to compare Weight across dishwashers.

    Importance: LOW

    Siemens SN23EI3KE is heavier than the average dishwasher (50.9 kg vs 39.1 kg).50.9 kg vs 39.1 kg
  • 47.6% more expensive
    Siemens SN23EI3KE is more expensive than the average dishwasher (£620 vs £420).
    Siemens SN23EI3KE is more expensive than the average dishwasher (£620 vs £420).£620 vs £420
  • 0.2 cm wider width
    Siemens SN23EI3KE is wider than the average dishwasher (60 cm vs 59.8 cm).
    What it is: This attribute refers to Width.
    When it matters: This matters if you want to compare Width across dishwashers.

    Importance: LOW

    Siemens SN23EI3KE is wider than the average dishwasher (60 cm vs 59.8 cm).60 cm vs 59.8 cm
Total
Overall
Performance
Design

Graphic comparison of Siemens SN23EI03KE and other products in the Dishwashers category

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Attribute
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Third-party reviews

United Kingdom
amazon
4.5
8 Reviews

(Reviews last updated: August 2026)

What customers like about Siemens SN23EI03KE?

  • Excellent cleaning performance that leaves glassware clear and dishes shiny
  • Effective drying capabilities enhanced by the automatic door-opening feature (autoOpen dry)
  • Convenient remote control and customization via the Home Connect Wi-Fi app
  • Quiet operation during wash cycles, keeping kitchen noise low
  • Flexible and familiar interior rack layout with adjustable height components for easier loading
  • Time-saving VarioSpeed Plus function that significantly shortens program runtimes

What customers dislike about Siemens SN23EI03KE?

  • Standard Eco mode takes a very long time to complete a cycle
  • Drying efficiency can be slightly compromised if using only the Eco cycle with heavy plastics
  • A few water droplets may remain if the machine is opened immediately after the cycle finishes
  • Expensive out-of-warranty repair costs and official replacement parts
  • Appliance requires precise installation measurements to fit correctly into standard kitchen cabinetry

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