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Siemens SN56N594EU Review | 59 Data compared

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  • Avg. price in UK: ~£490
  • Avg. price in US: ~$440
  • No. of place settings: 14
  • Energy efficiency class: ?
  • Noise level: 42 dB
  • Overflow protection: yes
  • Height adjustable top basket: yes

Siemens SN56N594EU review. Compare 59 technical specifications and user reviews to see how this product ranks in the Dishwashers category and whether it is worth buying.

8.1

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%

8.1

Technical Score

20.0%

8.2

User score

Excellent
8.1

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%

7.9

Performance

30.0%

7.8

Features

25.0%

8.2

Programmes

10.0%

8.9

Design

Excellent
8.2

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%

7.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
3.7
(18)

(Reviews last updated: August 2026)

Excellent
  • 6.3
    Efficient operation

    Score components:

    35.0%

    1.8

    Energy consumption per cycle

    25.0%

    8.3

    Water usage per cycle

    20.0%

    ?

    Energy efficiency class

    10.0%

    10

    Noise level

    10.0%

    10

    No. of place settings

  • 8.5
    Quiet operation

    Score components:

    45.0%

    10

    Noise level

    20.0%

    8.0

    Noise emission class

    15.0%

    ?

    Energy efficiency class

    10.0%

    1.8

    Energy consumption per cycle

    10.0%

    10

    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 SN56N594EU iQ500 is a 60 cm semi-integrated brushed steel dishwasher featuring a generous 14 place setting capacity, a quiet 42 dB operating noise level, and an eco-friendly water consumption rate of 9.5 liters per cycle. Major advantages include its A++ energy efficiency rating (consuming 266 kWh/year), a durable heat exchanger drying system, speedMatic hydraulics, and the comprehensive aquaStop leak protection system. However, its primary downsides are the complete lack of modern smart connectivity via Home Connect and its status as a discontinued older model, making replacements or new purchases difficult.

Technical Specifications of dishwasher Siemens SN56N594EU

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%

7.9

Performance

30.0%

7.8

Features

25.0%

8.2

Programmes

10.0%

8.9

Design

8.1
Siemens SN56N594EU has a technical score of 8.06 points, which is higher than 61% 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%

7.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
3.7
(18)

(Reviews last updated: August 2026)

8.2
Siemens SN56N594EU has a user score of 8.18 points, which is higher than 66.2% 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 SN56N594EU 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%

8.1

Overall score

40.0%

7.9

Price

8.0
Siemens SN56N594EU has a quality-to-price ratio of 8 points, which is higher than 56.5% 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

?
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 SN56N594EU 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 SN56N594EU 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 SN56N594EU 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

0.92 kWh
Siemens SN56N594EU uses 0.92 kWh per cycle, which is higher than that of 78.8% of dishwashers and equal to that of 5.5% 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 SN56N594EU 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 SN56N594EU 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 SN56N594EU 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

195 min
Siemens SN56N594EU completes its Eco wash in 195 min, which is shorter than that of 88.2% of dishwashers and equal to that of 1.3% 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

?
Show more
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 SN56N594EU 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 SN56N594EU 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 SN56N594EU 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 SN56N594EU 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 SN56N594EU 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

semi-integrated
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

14
Siemens SN56N594EU holds 14 place settings, which is more than that of 44.9% of dishwashers and equal to that of 43.7% 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 SN56N594EU 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 SN56N594EU 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 SN56N594EU has a digital display. This feature is present in 90.3% of dishwashers.
Show more

Siemens SN56N594EU vs the average dishwasher

  • Has a self-cleaning filter system
    Siemens SN56N594EU 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 SN56N594EU 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.
  • 40 min shorter Eco wash time
    Siemens SN56N594EU finishes the Eco wash sooner than the average dishwasher (195 min vs 235 min).
    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

    Siemens SN56N594EU finishes the Eco wash sooner than the average dishwasher (195 min vs 235 min).195 min vs 235 min
  • 0.4 W lower standby power consumption
    Siemens SN56N594EU has lower standby power consumption than the average dishwasher (0.1 W vs 0.5 W).
    What it is: This attribute refers to Standby power consumption.
    When it matters: This matters if you want to compare Standby power consumption across dishwashers.

    Importance: LOW

    Siemens SN56N594EU has lower standby power consumption than the average dishwasher (0.1 W vs 0.5 W).0.1 W vs 0.5 W
  • 2 dB lower noise level
    Siemens SN56N594EU 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 SN56N594EU has a lower noise level than the average dishwasher (42 dB vs 44 dB).42 dB vs 44 dB
  • 1 more wash temperatures
    Siemens SN56N594EU 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 SN56N594EU offers more wash temperatures than the average dishwasher (5 vs 4).5 vs 4
  • 1 min shorter quick wash time
    Siemens SN56N594EU 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 SN56N594EU finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).29 min vs 30 min
  • 0.25 m longer cable length
    Siemens SN56N594EU has a longer cable than the average dishwasher (1.8 m vs 1.5 m).
    What it is: This attribute refers to Cable length.
    When it matters: This matters if you want to compare Cable length across dishwashers.

    Importance: LOW

    Siemens SN56N594EU has a longer cable than the average dishwasher (1.8 m vs 1.5 m).1.75 m vs 1.5 m
  • Has a self-latching door
    Siemens SN56N594EU has a self-latching door, while the average dishwasher does not have a self-latching door. 10.2% of dishwashers have a self-latching door.
    What it is: This attribute shows whether the dishwasher has Self-latching door.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Siemens SN56N594EU has a self-latching door, while the average dishwasher does not have a self-latching door. 10.2% of dishwashers have a self-latching door.
  • 0.4 W lower standby power consumption
    Siemens SN56N594EU has lower standby power consumption than the average dishwasher (0.1 W vs 0.5 W).
  • 2 dB lower noise level
    Siemens SN56N594EU has a lower noise level than the average dishwasher (42 dB vs 44 dB).
  • 1 more wash temperatures
    Siemens SN56N594EU offers more wash temperatures than the average dishwasher (5 vs 4).
  • 40 min shorter Eco wash time
    Siemens SN56N594EU finishes the Eco wash sooner than the average dishwasher (195 min vs 235 min).
  • 1 min shorter quick wash time
    Siemens SN56N594EU finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).
  • Has a self-cleaning filter system
    Siemens SN56N594EU 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.
  • 0.25 m longer cable length
    Siemens SN56N594EU has a longer cable than the average dishwasher (1.8 m vs 1.5 m).
  • Has a self-latching door
    Siemens SN56N594EU has a self-latching door, while the average dishwasher does not have a self-latching door. 10.2% of dishwashers have a self-latching door.
  • 0.1 m longer supply hose length
    Siemens SN56N594EU has a longer supply hose than the average dishwasher (1.7 m vs 1.55 m).
  • 0.5 cm shorter height
    Siemens SN56N594EU is shorter than the average dishwasher (81.5 cm vs 82 cm).

Total
Overall
Performance
Programmes
Features
Design
  • Uses a different motor type
    Siemens SN56N594EU uses brushless, while the average dishwasher uses inverter.
  • 0.17 kWh higher energy consumption per cycle
    Siemens SN56N594EU uses more energy per cycle than the average dishwasher (0.9 kWh vs 0.75 kWh).
  • Does not have a favorite cycle
    Siemens SN56N594EU 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 SN56N594EU 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.
  • 4.9 kg heavier weight
    Siemens SN56N594EU is heavier than the average dishwasher (44 kg vs 39.1 kg).
  • 1.3 cm deeper depth
    Siemens SN56N594EU is deeper than the average dishwasher (57.3 cm vs 56 cm).
  • Does not have an automatic door-opening feature
    Siemens SN56N594EU 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 SN56N594EU 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.
  • Uses a different motor type
    Siemens SN56N594EU 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 SN56N594EU uses brushless, while the average dishwasher uses inverter.brushless vs inverter
  • 0.17 kWh higher energy consumption per cycle
    Siemens SN56N594EU uses more energy per cycle than the average dishwasher (0.9 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 SN56N594EU uses more energy per cycle than the average dishwasher (0.9 kWh vs 0.75 kWh).0.92 kWh vs 0.75 kWh
  • Does not have a favorite cycle
    Siemens SN56N594EU does not have a favorite cycle, while the average dishwasher has a favorite cycle. 67.4% of dishwashers have a favorite cycle.
    What it is: This attribute shows whether the dishwasher has Favorite cycle.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Siemens SN56N594EU does not have a favorite cycle, while the average dishwasher has a favorite cycle. 67.4% of dishwashers have a favorite cycle.
  • 4.9 kg heavier weight
    Siemens SN56N594EU is heavier than the average dishwasher (44 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 SN56N594EU is heavier than the average dishwasher (44 kg vs 39.1 kg).44 kg vs 39.1 kg
  • 1.3 cm deeper depth
    Siemens SN56N594EU is deeper than the average dishwasher (57.3 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 SN56N594EU is deeper than the average dishwasher (57.3 cm vs 56 cm).57.3 cm vs 56 cm
  • 16.7% more expensive
    Siemens SN56N594EU is more expensive than the average dishwasher (£490 vs £420).
    Siemens SN56N594EU is more expensive than the average dishwasher (£490 vs £420).£490 vs £420
Total
Overall
Performance
Programmes
Features
Design

Graphic comparison of Siemens SN56N594EU and other products in the Dishwashers category

Attribute category
Attribute
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Third-party reviews

United Kingdom
amazon
3.7
18 Reviews

(Reviews last updated: August 2026)

What customers like about Siemens SN56N594EU?

  • Whisper-quiet performance during operation at 42 decibels
  • Excellent cleaning results leaving dishes and glassware shiny and clear
  • Highly flexible loading space with 14 place settings and a dedicated cutlery drawer
  • Efficient built-in load sensor that automatically optimizes water and detergent consumption
  • VarioSpeed feature allows standard cycle run times to be significantly shortened

What customers dislike about Siemens SN56N594EU?

  • Eco mode takes a relatively long time to complete a full washing cycle
  • Initial purchase price is high, though users note the performance provides good value
  • Strict installation alignment requirements can make kitchen cabinet fitting troublesome
  • Out-of-warranty repair costs and replacement parts can be quite expensive
  • Extremely burnt pots or heavily soiled pans may still require initial manual scrubbing

Expert reviews

K
konsument.at
24/07/2014
Summary of the review
Geschirrspüler - Sauberes Geduldspiel

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