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Bosch Unlimited Serie 8 BKS8214W Review | 52 Data compared

Avg. price:~£300Suction power (AW):?Battery runtime:45 minutesCapacity:0.4 LWeight:3 kg

Bosch Unlimited Serie 8 BKS8214W Review: Compare 52 technical specifications and user reviews to see how this product ranks in the Vacuum Cleaners category and whether it is worth buying.

7.3

Overall score

Score
7.3/ 10
✕
What it is
An overall evaluation of the vacuum cleaner's quality, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best vacuum cleaners on the market.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 72% of models
Score components

80%

7.0

Technical Score

20%

8.5

User score

â–²Better than 72% of vacuum-cleaners
7.0

Technical Score

Technical score
7.0/ 10
✕
What it is
An assessment of the vacuum cleaner's technical performance across six key areas: performance, battery and power supply, filtration, attachments, design, and smart features.
When it matters
When you want to compare vacuum cleaners by cleaning performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 66% of models
Score components

28%

7.4

Performance

22%

7.0

Battery

18%

7.0

Filtration

14%

5.7

Attachments

10%

7.3

Design

8%

7.0

Smart features

â–²Better than 66% of vacuum-cleaners
8.5

User score

User score
8.5/ 10
✕
What it is
A rating that combines user reviews with the total number of reviews received by the vacuum cleaner.
When it matters
When you want to know how a vacuum cleaner performs in everyday use and how reliable owners find it over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 83% of models
Score components

70%

8.4

User ratings

30%

8.9

Number of reviews

Based on 1,565 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
â–²Better than 83% of vacuum-cleaners
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Best prices

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Best rankings

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

The Bosch Unlimited Gen2 Serie 8 BKS8214W is a bagless cordless stick vacuum cleaner powered by a German-made BLDC TurboSpin motor and a replaceable 18V 3.0 Ah Power for All battery, delivering up to 45 minutes of runtime across 3 power modes (Eco, Auto, and Turbo). Key features include an AllFloor HighPower LED-lit nozzle, an integrated Auto stage that automatically adjusts suction across different surfaces, a 0.4-litre dust capacity, and a cartridge filtration system offering 99.99% air filtration alongside a RotationClean mechanism for filter maintenance. Weighing 2.9 kg, its primary advantages are its robust corded-like performance, cross-tool battery compatibility, and lightweight handling, though it is limited by a relatively long 5-hour charging time and the lack of a dedicated parquet brush for delicate wood floors.

Technical Specifications of vacuum cleaner Bosch Unlimited Serie 8 BKS8214W

Technical Score
Technical score
7.0/ 10
✕
What it is
An assessment of the vacuum cleaner's technical performance across six key areas: performance, battery and power supply, filtration, attachments, design, and smart features.
When it matters
When you want to compare vacuum cleaners by cleaning performance, specifications, and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 66% of models
Score components:

28%

7.4

Performance

22%

7.0

Battery

18%

7.0

Filtration

14%

5.7

Attachments

10%

7.3

Design

8%

7.0

Smart features

7.0
Bosch Unlimited Serie 8 BKS8214W has a technical score of 7 points, which is higher than 65.9% of vacuum cleaners.
User score
User score
8.5/ 10
✕
What it is
A rating that combines user reviews with the total number of reviews received by the vacuum cleaner.
When it matters
When you want to know how a vacuum cleaner performs in everyday use and how reliable owners find it over time.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 83% of models
Score components

70%

8.4

User ratings

30%

8.9

Number of reviews

Based on 1,565 buyer reviews from online shops.
Read buyer reviews on Amazon →
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
8.5
Bosch Unlimited Serie 8 BKS8214W has a user score of 8.55 points, which is higher than 82.5% of vacuum cleaners.
Popularity
Popularity
8.9/ 10
✕
What it is
An indicator based on the number of reviews received by the vacuum cleaner.
When it matters
When you prefer a vacuum cleaner that has been chosen and reviewed by many other buyers.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 82% of models
Popularity:
Bosch Unlimited Serie 8 BKS8214W has a popularity score of 8.9 points, which is higher than 82.3% of vacuum cleaners.
8.9
Bosch Unlimited Serie 8 BKS8214W has a popularity score of 8.9 points, which is higher than 82.3% of vacuum cleaners.
Ratio quality/price
Value for money
7.8/ 10
✕
What it is
An indicator that combines the vacuum cleaner's overall score with its price.
When it matters
When you are looking for a vacuum cleaner with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 60% of models
Score components:

60%

7.3

Overall score

40%

8.9

Price

7.8
Bosch Unlimited Serie 8 BKS8214W has a value-for-money score of 7.8 points, which is higher than 60% of vacuum cleaners.
Suction power (AW)
?
Suction power (kPa)
?
Airflow
?
Motor type
brushless
Power consumption
8,214 W
Power consumption
8,214 W
â–¼ Worse than 100% of models
Market range: <165 W – >899 W
This vacuum cleaner draws 8,214 W, which is higher than the power consumption of 100% of vacuum cleaners.
Show more
Cordless
yes
Cordless
yes
â–² Better than 51% of models
This vacuum cleaner works cordlessly. 49.5% of vacuum cleaners offer cordless operation.
Battery runtime
45 minutes
Battery runtime
45 minutes
â–¼ Worse than 51% of models
Market range: <30 minutes – >70 minutes
This vacuum cleaner offers a battery runtime of 45 minutes, which is shorter than that of 51.2% of vacuum cleaners and equal to that of 12.4% of vacuum cleaners.
Charging time
5 hours
Charging time
5 hours
â–¼ Worse than 74% of models
Market range: <3 hours – >5 hours
This vacuum cleaner charges in 5 hours, which is slower than 73.8% of vacuum cleaners and equal to 20.4% of vacuum cleaners.
Battery capacity
3,000 mAh
Battery capacity
3,000 mAh
â–² Better than 80% of models
Market range: <2k mAh – >3.6k mAh
This vacuum cleaner has a battery capacity of 3,000 mAh, which is larger than that of 79.9% of vacuum cleaners and equal to that of 5.6% of vacuum cleaners.
Battery voltage
18 V
Battery voltage
18 V
â–¼ Worse than 80% of models
Market range: <18 V – >28.8 V
This vacuum cleaner uses a battery voltage of 18 V, which is lower than that of 79.8% of vacuum cleaners and equal to that of 16% of vacuum cleaners.
Show more
Filter class
hepa
Filter class
hepa
â–¼ Worse than 38% of models
This vacuum cleaner uses filter class hepa, which is more advanced than the class used by 16% of vacuum cleaners and the same as the class used by 46% of vacuum cleaners.
Minimum overall efficiency
99.99%
Minimum overall efficiency
99.99%
â–² Better than 84% of models
Market range: <95 % – >99.99 %
This vacuum cleaner reaches 99.99% minimum overall efficiency, which is higher than that of 84.3% of vacuum cleaners and equal to that of 9.6% of vacuum cleaners.
Suitable for allergy sufferers
yes
Suitable for allergy sufferers
yes
â–² Better than 18% of models
This vacuum cleaner is suitable for allergy sufferers. 82.4% of vacuum cleaners are allergy-friendly.
Capacity
0.4 L
Capacity
0.4 L
â–¼ Worse than 91% of models
Market range: <0.44 L – >4 L
This vacuum cleaner has a dust capacity of 0.4 L, which is smaller than that of 90.7% of vacuum cleaners and equal to that of 4.5% of vacuum cleaners.
Bagless
yes
Bagless
yes
â–² Better than 21% of models
This vacuum cleaner uses a bagless design. 78.6% of vacuum cleaners use this setup.
Show more
Main brush type
roll brush
Roller type
bristled
Anti-tangle brush
no
Anti-tangle brush
no
â–¼ Worse than 26% of models
This vacuum cleaner does not include an anti-tangle brush. 25.7% of vacuum cleaners include this feature.
Mini motorized brush
no
Mini motorized brush
no
â–¼ Worse than 27% of models
This vacuum cleaner does not include a mini motorized brush. 26.9% of vacuum cleaners include this attachment.
Suitable for pet owners
no
Suitable for pet owners
no
â–¼ Worse than 72% of models
This vacuum cleaner is not suitable for pet owners. 72% of vacuum cleaners handle pet hair well.
Show more
Vacuum type
stick
Weight
3 kg
Weight
3 kg
â–² Better than 61% of models
Market range: <2.15 kg – >7.1 kg
This vacuum cleaner weighs 3 kg, which is lower than the weight of 61% of vacuum cleaners and equal to that of 3.1% of vacuum cleaners.
2-in-1 design
yes
2-in-1 design
yes
â–² Better than 47% of models
This vacuum cleaner offers a 2-in-1 design. 53% of vacuum cleaners offer this flexible format.
Self-standing
no
Self-standing
no
â–¼ Worse than 19% of models
This vacuum cleaner does not stand on its own. 18.9% of vacuum cleaners offer this convenience.
Adjustable tube height
no
Adjustable tube height
no
â–¼ Worse than 47% of models
This vacuum cleaner does not include adjustable tube height. 47.4% of vacuum cleaners offer this ergonomic feature.
Show more
Auto suction adjustment
yes
Auto suction adjustment
yes
â–² Better than 80% of models
This vacuum cleaner supports automatic suction adjustment. 19.9% of vacuum cleaners support this feature.
Dust particle sensor
no
Dust particle sensor
no
â–¼ Worse than 8% of models
This vacuum cleaner does not include a dust particle sensor. 8% of vacuum cleaners include this feature.
LED display
no
LED display
no
â–¼ Worse than 26% of models
This vacuum cleaner does not include an LED display. 25.9% of vacuum cleaners include this interface feature.
Nozzle light
yes
Nozzle light
yes
â–² Better than 57% of models
This vacuum cleaner includes a nozzle light. 43.4% of vacuum cleaners include this visibility feature.
Mopping support
no
Mopping support
no
â–¼ Worse than 4% of models
This vacuum cleaner does not support mopping. 3.7% of vacuum cleaners support this multi-function feature.

Bosch Unlimited Serie 8 BKS8214W vs the average vacuum cleaner

246810TotalPerformanceBatteryFiltrationAttachmentsDesignSmart features
  • Cordless operation
    Cordless
    yes
    â–² Better than 51% of models
    This vacuum cleaner works cordlessly, the average vacuum cleaner does not.
  • 0.04 % higher filtration efficiency
    Minimum overall efficiency
    99.99 %
    â–² Better than 84% of models
    Market range: <95 % – >99.99 %
    This vacuum cleaner has higher filtration efficiency than the average vacuum cleaner (100 % vs 99.95 %).
    99.99 % vs 99.95 %
  • Automatic suction adjustment
    Auto suction adjustment
    yes
    â–² Better than 80% of models
    This vacuum cleaner supports automatic suction adjustment, the average vacuum cleaner does not.
  • Includes removable battery
    Removable battery
    yes
    â–² Better than 61% of models
    This vacuum cleaner includes a removable battery, the average vacuum cleaner does not.
  • 500 mAh larger battery capacity
    Battery capacity
    3,000 mAh
    â–² Better than 80% of models
    Market range: <2k mAh – >3.6k mAh
    This vacuum cleaner has a larger battery capacity than the average vacuum cleaner (3000 mAh vs 2500 mAh).
    3,000 mAh vs 2,500 mAh
  • Includes nozzle light
    Nozzle light
    yes
    â–² Better than 57% of models
    This vacuum cleaner includes a nozzle light, the average vacuum cleaner does not.
  • Includes battery indicator
    Battery level indicator
    yes
    â–² Better than 53% of models
    This vacuum cleaner includes a battery level indicator, the average vacuum cleaner does not.
  • Includes wall bracket
    Wall-mounted bracket
    yes
    â–² Better than 64% of models
    This vacuum cleaner includes a wall-mounted bracket, the average vacuum cleaner does not.
  • 6.8% higher user score
    User score
    8.5/ 10
    ✕
    What it is
    A rating that combines user reviews with the total number of reviews received by the vacuum cleaner.
    When it matters
    When you want to know how a vacuum cleaner performs in everyday use and how reliable owners find it over time.
    Score distribution
    â–¼
    â–¼
    <55-66-77-88-99-10
    Bosch Unlimited Serie 8 BKS8214W
    the average vacuum cleaner
    ★ Better than 92% of models
    Bosch Unlimited Serie 8 BKS8214W has a higher user score than the average vacuum cleaner (8.55 vs 8.000).
    8.55 vs 8
  • 1 more power levels
    Number of speeds
    3
    â–² Better than 56% of models
    Market range: <1 – >4
    This vacuum cleaner offers more speed levels than the average vacuum cleaner (3 vs 2).
    3 vs 2
  • Cordless operation
    Cordless
    yes
    â–² Better than 51% of models
    This vacuum cleaner works cordlessly, the average vacuum cleaner does not.
  • Includes removable battery
    Removable battery
    yes
    â–² Better than 61% of models
    This vacuum cleaner includes a removable battery, the average vacuum cleaner does not.
  • 500 mAh larger battery capacity
    Battery capacity
    3,000 mAh
    â–² Better than 80% of models
    Market range: <2k mAh – >3.6k mAh
    This vacuum cleaner has a larger battery capacity than the average vacuum cleaner (3000 mAh vs 2500 mAh).
    3,000 mAh vs 2,500 mAh
  • Includes battery indicator
    Battery level indicator
    yes
    â–² Better than 53% of models
    This vacuum cleaner includes a battery level indicator, the average vacuum cleaner does not.
  • 0.04 % higher filtration efficiency
    Minimum overall efficiency
    99.99 %
    â–² Better than 84% of models
    Market range: <95 % – >99.99 %
    This vacuum cleaner has higher filtration efficiency than the average vacuum cleaner (100 % vs 99.95 %).
    99.99 % vs 99.95 %
  • Includes wall bracket
    Wall-mounted bracket
    yes
    â–² Better than 64% of models
    This vacuum cleaner includes a wall-mounted bracket, the average vacuum cleaner does not.
  • 54 mm narrower body
    Width
    211 mm
    ★ Better than 93% of models
    Market range: <229 mm – >350 mm
    This vacuum cleaner is narrower than the average vacuum cleaner (211 mm vs 265 mm).
    211 mm vs 265 mm
  • 17.1% lower weight
    Weight
    3 kg
    â–² Better than 61% of models
    Market range: <2.15 kg – >7.1 kg
    This vacuum cleaner is lighter than the average vacuum cleaner (3 kg vs 3.62 kg).
    3 kg vs 3.62 kg
  • Automatic suction adjustment
    Auto suction adjustment
    yes
    â–² Better than 80% of models
    This vacuum cleaner supports automatic suction adjustment, the average vacuum cleaner does not.
  • Includes nozzle light
    Nozzle light
    yes
    â–² Better than 57% of models
    This vacuum cleaner includes a nozzle light, the average vacuum cleaner does not.
  • 0.6 L smaller dust container
    Capacity
    0.4 L
    â–¼ Worse than 91% of models
    Market range: <0.44 L – >4 L
    This vacuum cleaner has a smaller dust capacity than the average vacuum cleaner (0.4 L vs 1 L).
    0.4 L vs 1 L
  • 1 hours slower charging
    Charging time
    5 hours
    â–¼ Worse than 74% of models
    Market range: <3 hours – >5 hours
    This vacuum cleaner charges slower than the average vacuum cleaner (5 hours vs 4 hours).
    5 hours vs 4 hours
  • Not pet-hair friendly
    Suitable for pet owners
    no
    â–¼ Worse than 72% of models
    This vacuum cleaner is not suitable for pet owners, the average vacuum cleaner is.
  • No washable filter
    Washable filter
    no
    â–¼ Worse than 85% of models
    This vacuum cleaner does not include a washable filter, the average vacuum cleaner does.
  • No cyclonic technology
    Cyclonic technology
    no
    â–¼ Worse than 71% of models
    This vacuum cleaner does not use cyclonic technology, the average vacuum cleaner does.
  • 7,614 W higher power consumption
    Power consumption
    8,214 W
    â–¼ Worse than 100% of models
    Market range: <165 W – >899 W
    This vacuum cleaner draws more power than the average vacuum cleaner (8214 W vs 600 W).
    8,214 W vs 600 W
  • 4.2 V lower voltage
    Battery voltage
    18 V
    â–¼ Worse than 80% of models
    Market range: <18 V – >28.8 V
    This vacuum cleaner has a lower battery voltage than the average vacuum cleaner (18 V vs 22.2 V).
    18 V vs 22.2 V
  • 5 minutes shorter runtime
    Battery runtime
    45 minutes
    â–¼ Worse than 51% of models
    Market range: <30 minutes – >70 minutes
    This vacuum cleaner offers shorter battery runtime than the average vacuum cleaner (45 minutes vs 50 minutes).
    45 minutes vs 50 minutes
  • 2x more expensive
    Bosch Unlimited Serie 8 BKS8214W is more expensive than the average vacuum cleaner (£300 vs £150).
    £300 vs £150
  • No cyclonic technology
    Cyclonic technology
    no
    â–¼ Worse than 71% of models
    This vacuum cleaner does not use cyclonic technology, the average vacuum cleaner does.
  • 7,614 W higher power consumption
    Power consumption
    8,214 W
    â–¼ Worse than 100% of models
    Market range: <165 W – >899 W
    This vacuum cleaner draws more power than the average vacuum cleaner (8214 W vs 600 W).
    8,214 W vs 600 W
  • 10 mm narrower cleaning path
    Cleaning path width
    250 mm
    â–¼ Worse than 66% of models
    Market range: <230 mm – >309 mm
    This vacuum cleaner has a narrower cleaning path than the average vacuum cleaner (250 mm vs 260 mm).
    250 mm vs 260 mm
  • 1 hours slower charging
    Charging time
    5 hours
    â–¼ Worse than 74% of models
    Market range: <3 hours – >5 hours
    This vacuum cleaner charges slower than the average vacuum cleaner (5 hours vs 4 hours).
    5 hours vs 4 hours
  • 4.2 V lower voltage
    Battery voltage
    18 V
    â–¼ Worse than 80% of models
    Market range: <18 V – >28.8 V
    This vacuum cleaner has a lower battery voltage than the average vacuum cleaner (18 V vs 22.2 V).
    18 V vs 22.2 V
  • 5 minutes shorter runtime
    Battery runtime
    45 minutes
    â–¼ Worse than 51% of models
    Market range: <30 minutes – >70 minutes
    This vacuum cleaner offers shorter battery runtime than the average vacuum cleaner (45 minutes vs 50 minutes).
    45 minutes vs 50 minutes
  • 2 minutes shorter turbo runtime
    Turbo mode runtime
    10 minutes
    â–¼ Worse than 57% of models
    Market range: <6 minutes – >20 minutes
    This vacuum cleaner offers shorter turbo runtime than the average vacuum cleaner (10 minutes vs 12 minutes).
    10 minutes vs 12 minutes
  • 0.6 L smaller dust container
    Capacity
    0.4 L
    â–¼ Worse than 91% of models
    Market range: <0.44 L – >4 L
    This vacuum cleaner has a smaller dust capacity than the average vacuum cleaner (0.4 L vs 1 L).
    0.4 L vs 1 L
  • No washable filter
    Washable filter
    no
    â–¼ Worse than 85% of models
    This vacuum cleaner does not include a washable filter, the average vacuum cleaner does.
  • Not pet-hair friendly
    Suitable for pet owners
    no
    â–¼ Worse than 72% of models
    This vacuum cleaner is not suitable for pet owners, the average vacuum cleaner is.
  • 177 mm taller body
    Height
    1,277 mm
    â–¼ Worse than 96% of models
    Market range: <290 mm – >1.2k mm
    This vacuum cleaner is taller than the average vacuum cleaner (1277 mm vs 1100 mm).
    1,277 mm vs 1,100 mm

Graphic comparison of Bosch Unlimited Serie 8 BKS8214W and other vacuum cleaners

No results found

Third-party reviews

Based on 1,565 buyer reviews from online shops.
Reviews last updated: July 2026 · How we calculate this
Read buyer reviews on Amazon →

What customers like about Bosch Unlimited Serie 8 BKS8214W?

  • Powerful suction performance that is comparable to corded vacuum cleaners
  • Interchangeable 18V battery system that is compatible with other Bosch power and garden tools
  • Efficient and automatic power adjustment based on different floor types
  • AllFloor HighPower nozzle equipped with useful integrated LED lighting
  • Convenient continuous power mode that allows operation without holding down the trigger
  • Good maneuvering capabilities around corners and under low furniture

What customers dislike about Bosch Unlimited Serie 8 BKS8214W?

  • Relatively small dust container capacity (0.4L) which requires frequent emptying
  • Premium investment pricing compared to alternative competitors
  • Reduced runtime and rapid battery drain when used continuously on Turbo mode
  • The canister and filter design can be awkward to balance or handle during cleanout
  • The power button layout can occasionally cause accidental shutoffs during natural grip

Expert reviews

In-depth analysis and verdict from leading tech publications

E
etm-testmagazin.de
25/02/2021
Summary of the review
Bosch Unlimited Gen2 Series 8 BKS821MPOW
(Translated)Show original
E
etm-testmagazin.de
25/02/2021
Summary of the review
Bosch Unlimited Gen2 Serie | 8 BKS8214W Review
(Translated)Show original

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Compare Bosch Unlimited Serie 8 BKS8214W with other vacuum cleaners

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