Siemens Z4.0
Siemens Z4.0
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Overall Score

Siemens Z4.0

A very economical to run 600W Cylinder vacuum vacuum with average features
600W Cylinder Vacuum Dry 4.5kg Nov 2016
Maximum Input Power Type Cleaning Type Weight Release Date

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Siemens Z4.0 Review

With low running costs and at under 1 year old, we have ranked the Siemens Z4.0 number 721 across all vacuum cleaners.
Average Features
9 Months Old
£148 Over 10 Years
Overall Score

Why Has it Scored 50?

Numatic vacuums have excellent reviews in general.
With it being less than a year since it was released by Siemens, this vacuum cleaner features some of the latest vacuum cleaner technology. View the latest vacuums 2017.
It has an energy efficiency rating of A, and its running costs of £148 over 10 years are in the cheapest 11% of all 1,561 vacuums that we have compared it to.
This vacuum cleaner has some good features, but is also missing a few features:
Supports variable power
Has a hard floor brush
Quite low maximum input power
Only D hard floor cleaning performance class

Siemens Z4.0 In-Depth Analysis


Average Noise Level

The noise level of the Siemens Z4.0 of 74dB is fairly standard compared to most other vacuum cleaners. It is in the loudest 32% of all vacuums when ordered by this feature.

What does "noise level" mean? Less Edit

Average Weight

The Siemens Z4.0's weight of 4.5kg is fairly standard compared to most other vacuums. It is in the heaviest 27% of all vacuum cleaners when ordered by this feature.

What does "weight" mean? Less Edit

Quite Low Maximum Input Power

The lowest maximum input power of vacuums is 3.6W and the highest is 8,600W. The Siemens Z4.0 has one of the lower maximum input powers (only 600 Watts) amongst vacuum cleaners of this age.

What does "maximum input power" mean? Less Edit

Has a Hard Floor Brush

The Siemens Z4.0 has a hard floor brush, unlike 78% of vacuum cleaners which do not have a hard floor brush.

What is a hard floor brush? Less Chart Hide Chart Edit

Supports Variable Power

The Siemens Z4.0 supports variable power, which is unusual. 70% of vacuum cleaners do not support variable power.

What is variable power? Less Chart Hide Chart Edit

Has a Washable Filter

The Siemens Z4.0 has a washable filter, which is unusual. 85% of vacuums do not have a washable filter.

What is a washable filter? Less Chart Hide Chart Edit

Only D Hard Floor Cleaning Performance Class

The Siemens Z4.0 has a D hard floor cleaning performance class which is better than most vacuums. Most vacuum cleaners have an A hard floor cleaning performance class. Vacuum cleaners hard floor cleaning performance classes range from F (worst) to A (best).

What does "hard floor cleaning performance class" mean? Less Chart Hide Chart Edit


Released Nine Months Ago

This vacuum cleaner was released in November 2016.

Running Costs

Running Costs Are Low

This vacuum is rated A for energy efficiency, and the average running cost of the Z4.0 is £148 over 10 years based on adequate usage levels and energy prices, which makes it one of the more economic to run vacuum cleaners.

Calculate your own running costs

Product Identifiers

Manufacturer Part Numbers:

siemens vsz4g1400


04242003625484, 04242003686423, 04242003734568

Other Popular Comparisons With The Siemens Z4.0

Higher maximum input power
Older by four months
20W higher maximum input power
Slightly quieter noise level
3g heavier