OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Wet-Dry Vacuums Methodology v1.0
Wet-Dry Vacuums Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are evaluated mathematically under Frontumo Wet-Dry Vacuums Methodology v1.0 using verified laboratory benchmarks, technical specifications, and authentic consumer ratings with 0% commercial bias.
Explore Wet-Dry Vacuums Methodology v1.0

Kärcher SE 4001 Review | 43 Data compared

Avg. price:~£260Suction pressure:21 kPaCapacity:18 LPower:1400 WNoise level:74 dBWeight:7.8 kg

Kärcher SE 4001 Review: Compare 43 technical specifications and user reviews to see how this product ranks in the Wet-Dry Vacuums category and whether it is worth buying.

6.8

Overall score

Score
6.8/ 10
✕
What it is
An overall evaluation of products in the Wet-Dry Vacuums category, based on technical analysis and user reviews.
When it matters
When you need a quick reference for identifying the best products in the Wet-Dry Vacuums category.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 63% of models
Score components

80%

6.3

Technical score

20%

9.0

User score

▲Better than 63% of wet-dry-vacuums
6.3

Technical score

Technical score
6.3/ 10
✕
What it is
An assessment of technical performance for products in the Wet-Dry Vacuums category across these key areas: Performance, Battery, Design & Mobility, Filter & Accessories.
When it matters
When you want to compare products in the Wet-Dry Vacuums category by technical performance, specifications, and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 55% of models
Score components

40%

7.4

Performance

22%

6.4

Design & Mobility

20%

6.0

Filter & Accessories

18%

4.0

Battery

▼Worse than 55% of wet-dry-vacuums
9.0

User score

User score
9.0/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.
When it matters
When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 87% of models
Score components

70%

8.6

User ratings

30%

10

Number of reviews

Based on 5,090 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.
▲Better than 87% of wet-dry-vacuums
  • karcher-se-4001
  • karcher-se-4001
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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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Technical Specifications of wet-dry vacuum Kärcher SE 4001

Technical score
Technical score
6.3/ 10
✕
What it is
An assessment of technical performance for products in the Wet-Dry Vacuums category across these key areas: Performance, Battery, Design & Mobility, Filter & Accessories.
When it matters
When you want to compare products in the Wet-Dry Vacuums category by technical performance, specifications, and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 55% of models
Score components:

40%

7.4

Performance

22%

6.4

Design & Mobility

20%

6.0

Filter & Accessories

18%

4.0

Battery

6.3
User score
User score
9.0/ 10
✕
What it is
A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.
When it matters
When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 87% of models
Score components

70%

8.6

User ratings

30%

10

Number of reviews

Based on 5,090 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.
9.0
Popularity
Popularity
10.0/ 10
✕
What it is
An indicator based on the number of reviews received by products in the Wet-Dry Vacuums category.
When it matters
When you prefer products in the Wet-Dry Vacuums category that have been chosen and reviewed by many other buyers.
Score distribution
▼
<55-66-77-88-99-10
★ Better than 91% of models
Popularity:
Kärcher SE 4001 has a popularity score of 10 points, which is higher than 90.6% of products in this category.
10
Value for money
Value for money
7.5/ 10
✕
What it is
An indicator that combines the overall score of products in the Wet-Dry Vacuums category with their prices.
When it matters
When you are comparing products in the Wet-Dry Vacuums category and want a good balance between quality and price.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 53% of models
Score components:

60%

6.8

Overall score

40%

9.2

Price

7.5
Power
1,400 W
Power
1,400 W
▲ Better than 80% of models
Market range: <220 W – >1.5k W
This wet-dry vacuum has a power output of 1,400 W, which is higher than that of 80.5% of wet-dry vacuums and the same as that of 5.2% of wet-dry vacuums.
Variable power
no
Variable power
no
▼ Worse than 35% of models
This wet-dry vacuum does not have adjustable suction power. This feature is present on 35% of wet-dry vacuums.
Capacity
18 L
Capacity
18 L
▲ Better than 55% of models
Market range: <0.7 L – >30 L
This wet-dry vacuum has a tank capacity of 18 L, which is larger than that of 55% of wet-dry vacuums and the same as that of 2% of wet-dry vacuums.
Noise level
74 dB
Noise level
74 dB
▲ Better than 67% of models
Market range: <70 dB – >80 dB
This wet-dry vacuum operates at a noise level of 74 dB, which is lower than that of 67.4% of wet-dry vacuums and the same as that of 7.4% of wet-dry vacuums.
Suction pressure
21 kPa
Suction pressure
21 kPa
▲ Better than 72% of models
Market range: <11.5 kPa – >24 kPa
This wet-dry vacuum has a suction pressure of 21 kPa, which is higher than that of 71.7% of wet-dry vacuums and the same as that of 5.6% of wet-dry vacuums.
Show more
Cordless
no
Cordless
no
▼ Worse than 30% of models
This wet-dry vacuum requires a power cord. This feature is present on 29.6% of wet-dry vacuums.
Battery type
N/A
Battery runtime
N/A
Charging time
N/A
Battery voltage
N/A
Show more
Power cable length
7.5 m
Power cable length
7.5 m
▲ Better than 89% of models
Market range: <3 m – >7.5 m
This wet-dry vacuum has a power cable measuring 7.5 m, which is longer than that of 88.7% of wet-dry vacuums and the same length as that of 2.8% of wet-dry vacuums.
Operating radius
9.5 m
Operating radius
9.5 m
▲ Better than 83% of models
Market range: <4.5 m – >10 m
This wet-dry vacuum has an operating radius of 9.5 m, which is larger than that of 82.9% of wet-dry vacuums and the same as that of 5.7% of wet-dry vacuums.
Bagless
no
Bagless
no
▼ Worse than 67% of models
This wet-dry vacuum uses a dust bag. This feature is present on 66.5% of wet-dry vacuums.
Tank material
plastic
Tank material
plastic
▼ Worse than 42% of models
This wet-dry vacuum uses plastic for its tank, which is less durable than the tank materials used by 41.6% of wet-dry vacuums and comparable in durability to those used by 58.4% of them.
Power cable holder
yes
Power cable holder
yes
▲ Better than 35% of models
This wet-dry vacuum has a holder for the power cord. This feature is present on 65.5% of wet-dry vacuums.
Show more
N. of filters
2
N. of filters
2
▲ Better than 25% of models
Market range: <1 – >3
This wet-dry vacuum has 2 filters, more than 24.8% of wet-dry vacuums and the same number as 56.4% of wet-dry vacuums.
HEPA filter
no
HEPA filter
no
▼ Worse than 42% of models
This wet-dry vacuum does not include a HEPA filter. This feature is present on 41.9% of wet-dry vacuums.
Washable filter
yes
Washable filter
yes
▲ Better than 8% of models
This wet-dry vacuum includes a washable filter. This feature is present on 92% of wet-dry vacuums.
Automatic filter cleaning
no
Automatic filter cleaning
no
▼ Worse than 9% of models
This wet-dry vacuum does not have automatic filter cleaning. This feature is present on 9.4% of wet-dry vacuums.
Flexible hose
no
Flexible hose
no
▼ Worse than 73% of models
This wet-dry vacuum does not include a flexible hose. This feature is present on 72.9% of wet-dry vacuums.
Show more

Kärcher SE 4001 vs the average wet-dry vacuum

246810TotalPerformanceBatteryDesign & MobilityFilter & Accessories
  • 27.5 L/s more airflow
    Airflow
    70 L/s
    ▲ Better than 89% of models
    Market range: <25 L/s – >70 L/s
    This wet-dry vacuum delivers an airflow of 70 L/s; the average wet-dry vacuum delivers an airflow of 42.5 L/s.
    70 L/s vs 42.5 L/s
  • 3 kPa more suction pressure
    Suction pressure
    21 kPa
    ▲ Better than 72% of models
    Market range: <11.5 kPa – >24 kPa
    This wet-dry vacuum has a suction pressure of 21 kPa; the average wet-dry vacuum has a suction pressure of 18 kPa.
    21 kPa vs 18 kPa
  • 250 W more motor power
    Power
    1,400 W
    ▲ Better than 80% of models
    Market range: <220 W – >1.5k W
    This wet-dry vacuum has a power output of 1400 W; the average wet-dry vacuum has a power output of 1150 W.
    1,400 W vs 1,150 W
  • 2.3 m more operating radius
    Operating radius
    9.5 m
    ▲ Better than 83% of models
    Market range: <4.5 m – >10 m
    This wet-dry vacuum has an operating radius of 9.5 m; the average wet-dry vacuum has an operating radius of 7.2 m.
    9.5 m vs 7.2 m
  • Upholstery nozzle
    Upholstery nozzle
    yes
    ▲ Better than 83% of models
    This wet-dry vacuum includes an upholstery nozzle; the average wet-dry vacuum does not include an upholstery nozzle.
  • 2.5 m more cable length
    Power cable length
    7.5 m
    ▲ Better than 89% of models
    Market range: <3 m – >7.5 m
    This wet-dry vacuum has a power cable measuring 7.5 m; the average wet-dry vacuum has a power cable measuring 5 m.
    7.5 m vs 5 m
  • 2 dB less operating noise
    Noise level
    74 dB
    ▲ Better than 67% of models
    Market range: <70 dB – >80 dB
    This wet-dry vacuum operates at a noise level of 74 dB; the average wet-dry vacuum operates at a noise level of 76 dB.
    74 dB vs 76 dB
  • 3 L more tank capacity
    Capacity
    18 L
    ▲ Better than 55% of models
    Market range: <0.7 L – >30 L
    This wet-dry vacuum has a tank capacity of 18 L; the average wet-dry vacuum has a tank capacity of 15 L.
    18 L vs 15 L
  • 12.8% higher user score
    User score
    9.0/ 10
    ✕
    What it is
    A rating that combines user reviews with the total review volume for products in the Wet-Dry Vacuums category.
    When it matters
    When you want to know how products in the Wet-Dry Vacuums category perform in everyday use and how reliable owners find them over time.
    Score distribution
    ▼
    ▼
    <55-66-77-88-99-10
    Kärcher SE 4001
    the average wet-dry vacuum
    Kärcher SE 4001 has a higher user score than the average wet-dry vacuum (9.02 vs 8.000).
    9.02 vs 8
  • 52% more popular
    Kärcher SE 4001 is more popular than the average wet-dry vacuum (10 vs 6.6).
    10 vs 6.58
  • 27.5 L/s more airflow
    Airflow
    70 L/s
    ▲ Better than 89% of models
    Market range: <25 L/s – >70 L/s
    This wet-dry vacuum delivers an airflow of 70 L/s; the average wet-dry vacuum delivers an airflow of 42.5 L/s.
    70 L/s vs 42.5 L/s
  • 3 kPa more suction pressure
    Suction pressure
    21 kPa
    ▲ Better than 72% of models
    Market range: <11.5 kPa – >24 kPa
    This wet-dry vacuum has a suction pressure of 21 kPa; the average wet-dry vacuum has a suction pressure of 18 kPa.
    21 kPa vs 18 kPa
  • 250 W more motor power
    Power
    1,400 W
    ▲ Better than 80% of models
    Market range: <220 W – >1.5k W
    This wet-dry vacuum has a power output of 1400 W; the average wet-dry vacuum has a power output of 1150 W.
    1,400 W vs 1,150 W
  • 2 dB less operating noise
    Noise level
    74 dB
    ▲ Better than 67% of models
    Market range: <70 dB – >80 dB
    This wet-dry vacuum operates at a noise level of 74 dB; the average wet-dry vacuum operates at a noise level of 76 dB.
    74 dB vs 76 dB
  • 3 L more tank capacity
    Capacity
    18 L
    ▲ Better than 55% of models
    Market range: <0.7 L – >30 L
    This wet-dry vacuum has a tank capacity of 18 L; the average wet-dry vacuum has a tank capacity of 15 L.
    18 L vs 15 L
  • 2.3 m more operating radius
    Operating radius
    9.5 m
    ▲ Better than 83% of models
    Market range: <4.5 m – >10 m
    This wet-dry vacuum has an operating radius of 9.5 m; the average wet-dry vacuum has an operating radius of 7.2 m.
    9.5 m vs 7.2 m
  • 2.5 m more cable length
    Power cable length
    7.5 m
    ▲ Better than 89% of models
    Market range: <3 m – >7.5 m
    This wet-dry vacuum has a power cable measuring 7.5 m; the average wet-dry vacuum has a power cable measuring 5 m.
    7.5 m vs 5 m
  • Upholstery nozzle
    Upholstery nozzle
    yes
    ▲ Better than 83% of models
    This wet-dry vacuum includes an upholstery nozzle; the average wet-dry vacuum does not include an upholstery nozzle.
  • No automatic full-tank shut-off
    Automatic shut-off when full
    no
    ▼ Worse than 66% of models
    This wet-dry vacuum does not have automatic shut-off when the tank is full; the average wet-dry vacuum has automatic shut-off when the tank is full.
  • 36.8% heavier
    Weight
    7.8 kg
    ▼ Worse than 78% of models
    Market range: <3.79 kg – >9.1 kg
    40% heavier: this wet-dry vacuum is heavier than the average wet-dry vacuum (7.8 kg vs 5.7 kg).
    7.8 kg vs 5.7 kg
  • Requires collection bags
    Bagless
    no
    ▼ Worse than 67% of models
    This wet-dry vacuum uses a dust bag; the average wet-dry vacuum is bagless.
  • No rigid extension tubes
    Rigid extension tubes
    no
    ▼ Worse than 68% of models
    This wet-dry vacuum does not include rigid extension tubes; the average wet-dry vacuum includes rigid extension tubes.
  • No flexible hose
    Flexible hose
    no
    ▼ Worse than 73% of models
    This wet-dry vacuum does not include a flexible hose; the average wet-dry vacuum includes a flexible hose.
  • No blower function
    Blowing attachment
    no
    ▼ Worse than 64% of models
    This wet-dry vacuum does not include a blowing attachment; the average wet-dry vacuum includes a blowing attachment.
  • 0.13 m less hose length
    Suction hose length
    2 m
    ▼ Worse than 58% of models
    Market range: <1.5 m – >3 m
    This wet-dry vacuum has a suction hose length of 2 m; the average wet-dry vacuum has a suction hose length of 2.134 m.
    2 m vs 2.134 m
  • 10.8% more external volume
    Volume
    81,708.5 cm³
    ▼ Worse than 67% of models
    Market range: <41.2k cm³ – >109k cm³
    This wet-dry vacuum has a volume of 81708.5 cm³; the average wet-dry vacuum has a volume of 73724.2 cm³.
    81,708.5 cm³ vs 73,724.2 cm³
  • 2x more expensive
    Kärcher SE 4001 is more expensive than the average wet-dry vacuum (£260 vs £130).
    £260 vs £130
  • No automatic full-tank shut-off
    Automatic shut-off when full
    no
    ▼ Worse than 66% of models
    This wet-dry vacuum does not have automatic shut-off when the tank is full; the average wet-dry vacuum has automatic shut-off when the tank is full.
  • 36.8% heavier
    Weight
    7.8 kg
    ▼ Worse than 78% of models
    Market range: <3.79 kg – >9.1 kg
    40% heavier: this wet-dry vacuum is heavier than the average wet-dry vacuum (7.8 kg vs 5.7 kg).
    7.8 kg vs 5.7 kg
  • Requires collection bags
    Bagless
    no
    ▼ Worse than 67% of models
    This wet-dry vacuum uses a dust bag; the average wet-dry vacuum is bagless.
  • 0.13 m less hose length
    Suction hose length
    2 m
    ▼ Worse than 58% of models
    Market range: <1.5 m – >3 m
    This wet-dry vacuum has a suction hose length of 2 m; the average wet-dry vacuum has a suction hose length of 2.134 m.
    2 m vs 2.134 m
  • 10.8% more external volume
    Volume
    81,708.5 cm³
    ▼ Worse than 67% of models
    Market range: <41.2k cm³ – >109k cm³
    This wet-dry vacuum has a volume of 81708.5 cm³; the average wet-dry vacuum has a volume of 73724.2 cm³.
    81,708.5 cm³ vs 73,724.2 cm³
  • No rigid extension tubes
    Rigid extension tubes
    no
    ▼ Worse than 68% of models
    This wet-dry vacuum does not include rigid extension tubes; the average wet-dry vacuum includes rigid extension tubes.
  • No flexible hose
    Flexible hose
    no
    ▼ Worse than 73% of models
    This wet-dry vacuum does not include a flexible hose; the average wet-dry vacuum includes a flexible hose.
  • No blower function
    Blowing attachment
    no
    ▼ Worse than 64% of models
    This wet-dry vacuum does not include a blowing attachment; the average wet-dry vacuum includes a blowing attachment.

Video reviews

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

Expert reviews

In-depth analysis and verdict from leading tech publications

T
trustedreviews.com
18/06/2021
Summary of the review
Karcher SE 4001 Review: Powerful and flexible cleaning
G
galaxus.ch
12/06/2023
Summary of the review
From grey to white – a clean carpet thanks to Kärcher's SE 4001
M
myhomefarm.co.uk
01/11/2019
Summary of the review
Karcher SE 4001 – Kirsten & Mars - My Home Farm
G
galaxus.it
12/06/2023
Summary of the review
From grey to white – a clean carpet thanks to Kärcher's SE 4001
S
staubsauger-berater.de
30/07/2026
Summary of the review
Kärcher SE 4001 Spray Extraction Cleaner for Hard Floors and Carpets
(Translated)Show original
G
galaxus.at
12/06/2023
Summary of the review
From Grey to White: Carpet Cleaning with the Kärcher SE 4001 Works
(Translated)Show original
G
galaxus.ch
12/06/2023
Summary of the review
From Gray to White: The Kärcher SE 4001 Sure Knows How to Handle Carpets
(Translated)Show original
D
dr-detailing.com
29/05/2020
Summary of the review
Karcher SE 4001: Budget Spray Extraction Cleaner Review
(Translated)Show original
M
maison-et-bricolage.fr
07/01/2026
Summary of the review
Karcher SE 4001 Review: A Vacuum Cleaner for Deep Cleaning
(Translated)Show original
G
galaxus.ch
12/06/2023
Summary of the review
From Grey to White – Carpet Cleaning with the Kärcher SE 4001 Works
(Translated)Show original
G
galaxus.ch
12/06/2023
Summary of the review
From grey to white – carpet cleaning with the Kärcher SE 4001 works
(Translated)Show original
P
poetsprins.nl
21/01/2021
Summary of the review
Kärcher Carpet Cleaner Review - Worth Buying?
(Translated)Show original
P
poetsprins.nl
07/09/2023
Summary of the review
Best Carpet Cleaner, Spray Extraction Machine
(Translated)Show original

Third-party reviews

Based on 5,090 buyer reviews from online shops.
Reviews last updated: August 2026 · How we calculate this
Read buyer reviews on Amazon →

What we like about Kärcher SE 4001

  • Versatile multi-purpose tool that operates effectively as both a dry utility vacuum and a wet spray-extraction carpet cleaner.
  • Powerful 1400W suction capability that effectively lifts liquids, damp messes, and embedded dirt from vehicle interiors, tiles, and rugs.
  • Faster surface drying times compared to traditional machines thanks to innovative nozzle extraction technology.
  • Robust, shock-proof 4-litre translucent fresh water tank that is easy to monitor, attach, and remove for filling.
  • Clever 3-in-1 carrying handle which makes transport, opening, closing, and emptying the main container highly convenient.
  • Excellent build quality utilizing solid, tightly manufactured plastic components that do not wobble or rattle.

What we don't like about Kärcher SE 4001

  • Transitioning from standard dry vacuuming to wet carpet extraction can be tedious and requires manual hose and cable clipping.
  • Lacks a motorized brush bar or mechanical roller to agitate fibers, meaning deep or stubborn stains require manual pre-scrubbing.
  • Bulky, heavy, and awkward canister form factor that demands significant storage space and can be cumbersome to maneuver.
  • The fresh water tank is wide and awkward to fit underneath shallow, standard-sized household sinks for refills.
  • The unhelpful user manual is confusingly illustrated and difficult to follow for first-time operators.
  • No automatic safety shut-off or warning indicator when the fresh water tank empties, causing the pump to loudly run dry.

Verdict

The Kärcher SE 4001 is a versatile 3-in-1 spray extraction and wet-dry vacuum cleaner powered by a robust 1400-watt motor that delivers a 70 l/s airflow and 210 mbar suction pressure. It features a dual-tank system comprising a removable 4-liter fresh water tank and a 4-liter dirty water container, alongside a 230 mm working width, a 7.5-meter power cable, and a lightweight design weighing 7.8 kg without accessories. Key advantages include its proprietary nozzle technology that ensures 50% faster drying times for textile surfaces, a convenient 3-in-1 carrying handle for seamless emptying, and integrated storage for its multiple specialized nozzles. However, notable drawbacks include a high noise level of 74 dB(A), the lack of an integrated motorized brush for deep carpet agitation, and an upholstery spray-extraction nozzle that must be purchased separately.

Compare Kärcher SE 4001 with other products in the Wet-Dry Vacuums category

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