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Siemens SN63EX15AE iQ300 Review | 59 Data compared

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  • Avg. price in UK: ~£510
  • Avg. price in US: ~$610
  • No. of place settings: 13
  • Energy efficiency class: C
  • Noise level: 44 dB
  • Overflow protection: yes
  • Height adjustable top basket: yes

Siemens SN63EX15AE iQ300 review. Compare 59 technical specifications and user reviews to see how this product ranks in the Dishwashers category and whether it is worth buying.

8.0

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%

7.7

Technical Score

20.0%

9.0

User score

Excellent
7.7

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%

7.6

Features

25.0%

7.0

Programmes

10.0%

8.4

Design

Very good
9.0

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%

8.6

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.3
(55)

(Reviews last updated: August 2026)

Exceptional
  • 7.4
    Efficient operation

    Score components:

    35.0%

    6.3

    Energy consumption per cycle

    25.0%

    8.3

    Water usage per cycle

    20.0%

    8.0

    Energy efficiency class

    10.0%

    7.4

    Noise level

    10.0%

    8.2

    No. of place settings

  • 7.6
    Quiet operation

    Score components:

    45.0%

    7.4

    Noise level

    20.0%

    8.0

    Noise emission class

    15.0%

    8.0

    Energy efficiency class

    10.0%

    6.3

    Energy consumption per cycle

    10.0%

    8.2

    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 SN63EX15AE iQ300 is a fully integrated, full-size (60 cm) built-in dishwasher offering a 13 place-setting capacity, a 44 dB noise level, and a modern C energy rating, consuming 9.5 liters of water and 74 kWh per 100 cycles in Eco mode. Key characteristics and advantages include its quiet iQdrive carbon-free motor, timeLight floor projection, smart Wi-Fi connectivity via the Home Connect app, an automatic door-opening feature (autoOpen dry) for efficient drying, and versatile cycles like varioSpeed Plus and intensiveZone. Potential drawbacks include a long Eco program duration of 4 hours and 35 minutes and reduced drying performance on plastics during standard quick washes.

Technical Specifications of dishwasher Siemens SN63EX15AE iQ300

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%

7.6

Features

25.0%

7.0

Programmes

10.0%

8.4

Design

7.7
Siemens SN63EX15AE iQ300 has a technical score of 7.71 points, which is lower than 52.3% 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%

8.6

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.3
(55)

(Reviews last updated: August 2026)

9.0
Siemens SN63EX15AE iQ300 has a user score of 9.02 points, which is higher than 83.8% 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.
10
Siemens SN63EX15AE iQ300 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%

8.0

Overall score

40.0%

7.8

Price

7.9
Siemens SN63EX15AE iQ300 has a quality-to-price ratio of 7.9 points, which is higher than 48.6% 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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

0.74 kWh
Siemens SN63EX15AE iQ300 uses 0.74 kWh per cycle, which is lower than that of 59.5% of dishwashers and equal to that of 3.4% of dishwashers.
Show more
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

5
Siemens SN63EX15AE iQ300 offers 5 wash programs, which is fewer than that of 78% of dishwashers and equal to that of 18.8% 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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

295 min
Siemens SN63EX15AE iQ300 completes its Eco wash in 295 min, which is longer than that of 91.5% of dishwashers and equal to that of 5.2% 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

no
Siemens SN63EX15AE iQ300 does not have a delicate wash program. This feature is present in 60% 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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

13
Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 SN63EX15AE iQ300 has a digital display. This feature is present in 90.3% of dishwashers.
Show more

Siemens SN63EX15AE iQ300 vs the average dishwasher

  • Supports Wi-Fi
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 supports Wi-Fi, while the average dishwasher does not support Wi-Fi. 44.1% of dishwashers support Wi-Fi.
  • Supports voice control
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 supports voice control, while the average dishwasher does not support voice control. 39.8% of dishwashers support voice control.
  • 1 more wash temperatures
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 offers more wash temperatures than the average dishwasher (5 vs 4).5 vs 4
  • 1 min shorter quick wash time
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).29 min vs 30 min
  • Better energy efficiency class
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 has a better energy efficiency class than the average dishwasher (C vs D).C vs D
  • 0.25 m longer cable length
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 has a longer cable than the average dishwasher (1.8 m vs 1.5 m).1.75 m vs 1.5 m
  • 0.1 m longer supply hose length
    Siemens SN63EX15AE iQ300 has a longer supply hose than the average dishwasher (1.7 m vs 1.55 m).
    What it is: This attribute refers to Supply hose length.
    When it matters: This matters if you want to compare Supply hose length across dishwashers.

    Importance: LOW

    Siemens SN63EX15AE iQ300 has a longer supply hose than the average dishwasher (1.7 m vs 1.55 m).1.65 m vs 1.55 m
  • 0.5 cm shorter height
    Siemens SN63EX15AE iQ300 is shorter than the average dishwasher (81.5 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 SN63EX15AE iQ300 is shorter than the average dishwasher (81.5 cm vs 82 cm).81.5 cm vs 82 cm
  • 1 more wash temperatures
    Siemens SN63EX15AE iQ300 offers more wash temperatures than the average dishwasher (5 vs 4).
  • Better energy efficiency class
    Siemens SN63EX15AE iQ300 has a better energy efficiency class than the average dishwasher (C vs D).
  • 0.01 kWh lower energy consumption per cycle
    Siemens SN63EX15AE iQ300 uses less energy per cycle than the average dishwasher (0.7 kWh vs 0.75 kWh).
  • 1 min shorter quick wash time
    Siemens SN63EX15AE iQ300 finishes the quick wash sooner than the average dishwasher (29 min vs 30 min).
  • Supports Wi-Fi
    Siemens SN63EX15AE iQ300 supports Wi-Fi, while the average dishwasher does not support Wi-Fi. 44.1% of dishwashers support Wi-Fi.
  • Supports voice control
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 has a longer cable than the average dishwasher (1.8 m vs 1.5 m).
  • 0.1 m longer supply hose length
    Siemens SN63EX15AE iQ300 has a longer supply hose than the average dishwasher (1.7 m vs 1.55 m).
  • 0.5 cm shorter height
    Siemens SN63EX15AE iQ300 is shorter than the average dishwasher (81.5 cm vs 82 cm).
  • 1 cm shallower depth
    Siemens SN63EX15AE iQ300 is shallower than the average dishwasher (55 cm vs 56 cm).
  • 3 kg lighter weight
    Siemens SN63EX15AE iQ300 is lighter than the average dishwasher (36.1 kg vs 39.1 kg).

Total
Overall
Performance
Programmes
Features
Design
  • Uses a different motor type
    Siemens SN63EX15AE iQ300 uses standard, while the average dishwasher uses inverter.
  • Does not have a delicate wash program
    Siemens SN63EX15AE iQ300 does not have a delicate wash program, while the average dishwasher has a delicate wash program. 59.9% of dishwashers have a delicate wash program.
  • Does not have a quiet wash program
    Siemens SN63EX15AE iQ300 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.
  • 60 min longer Eco wash time
    Siemens SN63EX15AE iQ300 takes longer to finish the Eco wash than the average dishwasher (295 min vs 235 min).
  • 1 fewer wash programs
    Siemens SN63EX15AE iQ300 offers fewer wash programs than the average dishwasher (5 vs 6).
  • Does not have an automatic door-opening feature
    Siemens SN63EX15AE iQ300 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.
  • 1 fewer place settings
    Siemens SN63EX15AE iQ300 holds fewer place settings than the average dishwasher (13 vs 14).
  • Uses a different motor type
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 uses standard, while the average dishwasher uses inverter.standard vs inverter
  • Does not have an automatic door-opening feature
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 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 delicate wash program
    Siemens SN63EX15AE iQ300 does not have a delicate wash program, while the average dishwasher has a delicate wash program. 59.9% of dishwashers have a 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

    Siemens SN63EX15AE iQ300 does not have a delicate wash program, while the average dishwasher has a delicate wash program. 59.9% of dishwashers have a delicate wash program.
  • Does not have a quiet wash program
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 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.
  • 60 min longer Eco wash time
    Siemens SN63EX15AE iQ300 takes longer to finish the Eco wash than the average dishwasher (295 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 SN63EX15AE iQ300 takes longer to finish the Eco wash than the average dishwasher (295 min vs 235 min).295 min vs 235 min
  • 1 fewer place settings
    Siemens SN63EX15AE iQ300 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 SN63EX15AE iQ300 holds fewer place settings than the average dishwasher (13 vs 14).13 vs 14
  • 1 fewer wash programs
    Siemens SN63EX15AE iQ300 offers fewer wash programs than the average dishwasher (5 vs 6).
    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

    Siemens SN63EX15AE iQ300 offers fewer wash programs than the average dishwasher (5 vs 6).5 vs 6
  • 21.4% more expensive
    Siemens SN63EX15AE iQ300 is more expensive than the average dishwasher (£510 vs £420).
    Siemens SN63EX15AE iQ300 is more expensive than the average dishwasher (£510 vs £420).£510 vs £420
Total
Overall
Performance
Programmes
Features
Design

Graphic comparison of Siemens SN63EX15AE iQ300 and other products in the Dishwashers category

Attribute category
Attribute
No results found

Third-party reviews

United Kingdom
amazon
4.3
55 Reviews

(Reviews last updated: August 2026)

What customers like about Siemens SN63EX15AE iQ300?

  • Excellent cleaning performance that leaves dishes and glassware sparkling clean.
  • Whisper-quiet operation at 44dB with an option to further lower noise via the app.
  • The autoOpen dry feature automatically pops the door open to improve drying results.
  • Convenient timeLight feature that projects the remaining program time onto the floor.
  • Highly flexible loading options with the height-adjustable rackMatic top basket.
  • Smart connectivity via the Home Connect app for easy remote monitoring and voice control.
  • Efficient intensiveZone function that uses increased water pressure for stubborn stains.

What customers dislike about Siemens SN63EX15AE iQ300?

  • The Eco program cycle takes a very long time to complete (nearly 4 hours).
  • Plastic items and heavy pots can occasionally remain slightly damp without extra drying modes.
  • Out-of-warranty replacement parts and manufacturer repair services can be quite expensive.
  • Fully integrated design means it requires a matching custom kitchen cabinet front panel, which is not included.

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