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Bosch SMI4HCS48E Series 4 Review | 59 Data compared

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  • Avg. price in UK: ~£650
  • Avg. price in US: ~$830
  • No. of place settings: 14
  • Energy efficiency class: D
  • Noise level: 44 dB
  • Overflow protection: yes
  • Height adjustable top basket: yes

Bosch SMI4HCS48E Series 4 review. Compare 59 technical specifications and user reviews to see how this product ranks in the Dishwashers category and whether it is worth buying.

7.9

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%

7.5

Technical Score

20.0%

9.4

User score

Very good
7.5

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%

7.4

Performance

30.0%

8.4

Features

25.0%

6.6

Programmes

10.0%

7.7

Design

Very good
9.4

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%

9.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.6
(69)
United States
Amazon_logo.png
4.6
(69)

(Reviews last updated: August 2026)

Exceptional
  • 5.8
    Efficient operation

    Score components:

    35.0%

    1.5

    Energy consumption per cycle

    25.0%

    8.3

    Water usage per cycle

    20.0%

    7.0

    Energy efficiency class

    10.0%

    7.4

    Noise level

    10.0%

    10

    No. of place settings

  • 7.1
    Quiet operation

    Score components:

    45.0%

    7.4

    Noise level

    20.0%

    8.0

    Noise emission class

    15.0%

    7.0

    Energy efficiency class

    10.0%

    1.5

    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 Bosch SMI4HCS48E Series 4 is a 60cm semi-integrated built-in dishwasher offering a 14 place setting capacity, a quiet 44 dB noise level, and an energy efficiency rating of Class D (85 kWh per 100 cycles) with a 9.5-liter water consumption rate per Eco cycle. Its main characteristics and pros include smart remote control via the Home Connect app, a flexible three-rack layout featuring a VarioDrawer cutlery tray, a Rackmatic height-adjustable upper basket, an efficient EcoSilence Drive inverter motor, and a specialized Extra Dry option that enhances condenser drying. However, its primary cons are an exceptionally long Eco program runtime of 4 hours and 55 minutes, a lack of an internal lighting system, and a basic condenser drying method that can leave plastic items slightly damp compared to premium Zeolith-drying models.

Technical Specifications of dishwasher Bosch SMI4HCS48E Series 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%

7.4

Performance

30.0%

8.4

Features

25.0%

6.6

Programmes

10.0%

7.7

Design

7.5
Bosch SMI4HCS48E Series 4 has a technical score of 7.52 points, which is lower than 60.9% 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%

9.2

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.6
(69)
United States
Amazon_logo.png
4.6
(69)

(Reviews last updated: August 2026)

9.4
Bosch SMI4HCS48E Series 4 has a user score of 9.44 points, which is higher than 96.1% 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
Bosch SMI4HCS48E Series 4 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%

7.9

Overall score

40.0%

7.1

Price

7.7
Bosch SMI4HCS48E Series 4 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

D
Bosch SMI4HCS48E Series 4 has energy efficiency class D, which is better than that of 32.5% of dishwashers and equal to that of 21.4% 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

A
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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

0.93 kWh
Bosch SMI4HCS48E Series 4 uses 0.93 kWh per cycle, which is higher than that of 84.5% of dishwashers and equal to that of 4.1% 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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

60 min
Bosch SMI4HCS48E Series 4 completes its quick wash in 60 min, which is longer than that of 76.9% of dishwashers and equal to that of 19.9% 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 has an adjustable water softener. This feature is present in 99% of dishwashers.
Show more
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

14
Bosch SMI4HCS48E Series 4 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

no
Bosch SMI4HCS48E Series 4 does not have a cutlery basket. This feature is present in 58.5% 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
Bosch SMI4HCS48E Series 4 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
Bosch SMI4HCS48E Series 4 has a digital display. This feature is present in 90.3% of dishwashers.
Show more

Bosch SMI4HCS48E Series 4 vs the average dishwasher

  • Has a self-cleaning filter system
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 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
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 supports Wi-Fi, while the average dishwasher does not support Wi-Fi. 44.1% of dishwashers support Wi-Fi.
  • Supports voice control
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 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
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 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
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 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
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 is shorter than the average dishwasher (81.5 cm vs 82 cm).81.5 cm vs 82 cm
  • 18% higher user score
    Bosch SMI4HCS48E Series 4 has a higher user score than the average dishwasher (9.44 vs 8).
    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.
    Bosch SMI4HCS48E Series 4 has a higher user score than the average dishwasher (9.44 vs 8).9.44 vs 8
  • 10x more popular
    Bosch SMI4HCS48E Series 4 is more popular than the average dishwasher (10 vs 1).
    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.
    Bosch SMI4HCS48E Series 4 is more popular than the average dishwasher (10 vs 1).10 vs 1
  • Has a self-cleaning filter system
    Bosch SMI4HCS48E Series 4 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
    Bosch SMI4HCS48E Series 4 supports Wi-Fi, while the average dishwasher does not support Wi-Fi. 44.1% of dishwashers support Wi-Fi.
  • Supports voice control
    Bosch SMI4HCS48E Series 4 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
    Bosch SMI4HCS48E Series 4 has a longer cable than the average dishwasher (1.8 m vs 1.5 m).
  • 0.1 m longer supply hose length
    Bosch SMI4HCS48E Series 4 has a longer supply hose than the average dishwasher (1.7 m vs 1.55 m).
  • 0.5 cm shorter height
    Bosch SMI4HCS48E Series 4 is shorter than the average dishwasher (81.5 cm vs 82 cm).
  • 3.8 kg lighter weight
    Bosch SMI4HCS48E Series 4 is lighter than the average dishwasher (35.3 kg vs 39.1 kg).

Total
Overall
Features
Design
  • Uses a different motor type
    Bosch SMI4HCS48E Series 4 uses brushless, while the average dishwasher uses inverter.
  • 0.18 kWh higher energy consumption per cycle
    Bosch SMI4HCS48E Series 4 uses more energy per cycle than the average dishwasher (0.9 kWh vs 0.75 kWh).
  • 30 min longer quick wash time
    Bosch SMI4HCS48E Series 4 takes longer to finish the quick wash than the average dishwasher (60 min vs 30 min).
  • Does not have a delicate wash program
    Bosch SMI4HCS48E Series 4 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.
  • 60 min longer Eco wash time
    Bosch SMI4HCS48E Series 4 takes longer to finish the Eco wash than the average dishwasher (295 min vs 235 min).
  • 1 fewer wash programs
    Bosch SMI4HCS48E Series 4 offers fewer wash programs than the average dishwasher (5 vs 6).
  • Does not have an automatic door-opening feature
    Bosch SMI4HCS48E Series 4 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 cutlery basket
    Bosch SMI4HCS48E Series 4 does not have a cutlery basket, while the average dishwasher has a cutlery basket. 58.4% of dishwashers have a cutlery basket.
  • Does not have a child lock
    Bosch SMI4HCS48E Series 4 does not have a child lock, while the average dishwasher has a child lock. 52.4% of dishwashers have a child lock.
  • 1.3 cm deeper depth
    Bosch SMI4HCS48E Series 4 is deeper than the average dishwasher (57.3 cm vs 56 cm).
  • Does not have an automatic door-opening feature
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 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
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 uses brushless, while the average dishwasher uses inverter.brushless vs inverter
  • 0.18 kWh higher energy consumption per cycle
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 uses more energy per cycle than the average dishwasher (0.9 kWh vs 0.75 kWh).0.93 kWh vs 0.75 kWh
  • 30 min longer quick wash time
    Bosch SMI4HCS48E Series 4 takes longer to finish the quick wash than the average dishwasher (60 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

    Bosch SMI4HCS48E Series 4 takes longer to finish the quick wash than the average dishwasher (60 min vs 30 min).60 min vs 30 min
  • Does not have a delicate wash program
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 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.
  • 60 min longer Eco wash time
    Bosch SMI4HCS48E Series 4 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

    Bosch SMI4HCS48E Series 4 takes longer to finish the Eco wash than the average dishwasher (295 min vs 235 min).295 min vs 235 min
  • Does not have a cutlery basket
    Bosch SMI4HCS48E Series 4 does not have a cutlery basket, while the average dishwasher has a cutlery basket. 58.4% of dishwashers have a 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

    Bosch SMI4HCS48E Series 4 does not have a cutlery basket, while the average dishwasher has a cutlery basket. 58.4% of dishwashers have a cutlery basket.
  • Does not have a child lock
    Bosch SMI4HCS48E Series 4 does not have a child lock, while the average dishwasher has a child lock. 52.4% of dishwashers have a child lock.
    What it is: This attribute shows whether the dishwasher has Child lock.
    When it matters: This matters if you specifically want this feature.

    Importance: LOW

    Bosch SMI4HCS48E Series 4 does not have a child lock, while the average dishwasher has a child lock. 52.4% of dishwashers have a child lock.
Total
Overall
Performance
Programmes
Features
Design

Graphic comparison of Bosch SMI4HCS48E Series 4 and other products in the Dishwashers category

Attribute category
Attribute
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Third-party reviews

United Kingdom
amazon
4.6
69 Reviews
United States
Amazon_logo.png
4.6
69 Reviews

(Reviews last updated: August 2026)

What customers like about Bosch SMI4HCS48E Series 4?

  • Whisper-quiet operation at 44 dB with the EcoSilence Drive system
  • Excellent cleaning performance that outperforms many competitors
  • Highly flexible loading options due to the Rackmatic 3-stage height-adjustable top basket and Flex/Variflex basket systems
  • Convenient VarioDrawer top cutlery tray that frees up space in the lower racks
  • Smart connectivity via the Home Connect app for convenient remote monitoring and voice control integration
  • Effective Extra Dry function for deep drying, especially on stubborn plasticware

What customers dislike about Bosch SMI4HCS48E Series 4?

  • Standard/basic drying performance is less effective without explicitly activating the Extra Dry mode
  • Eco wash programs and standard cleaning cycles have a relatively long duration
  • Higher upfront purchase price compared to competing brands in the same category
  • Smart app connection can occasionally disconnect, stopping real-time push notifications
  • The cutlery drawer requires precise placement, which can be time-consuming to load compared to a traditional basket

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