Miele Complete C3 Alize vs Guard S1 Electro: Which Vacuum Is Better?

Miele

Tested using Methodology v1.3

Updated Nov 26, 2025 07:02 PM

This review is in Early access

See Miele Complete C3 Alize Review

Wet Compatible No

Vacuum Type Canister

Bagless No

Cordless No

Anti-Allergy Filter (HEPA) Yes

Wet Compatible Locked

Vacuum Type Locked

Bagless Locked

Cordless Locked

Anti-Allergy Filter (HEPA) Locked

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Our Verdict

Miele Complete C3 Alize

Miele Guard S1 Electro

Full comparison details regarding individual product score sets can be found in the section below

Variants

Complete C3 Brilliant (Bronze Pearl)
Complete C3 Calima (Curry Yellow)

Guard S1 Parquet Flex (Brilliant White)
Guard S1 Electro (Casa Grey)

Review

See Miele Guard S1 Electro Review

Check Price

Bronze Pearl

Complete C3 Brilliant

Brilliant White

Guard S1 Parquet Flex

Curry Yellow

Complete C3 Calima

Casa Grey

Guard S1 Electro

Ivory White

Complete C3 Alize

Nordic Blue

Guard S1

Lotus White

Complete C3 Cat & Dog

Sunset Yellow

Guard S1

Marine Blue

Complete C3 Marin

Obsidian Black

Complete C3 Kona

Miele

Petrol

Complete C3 Alize

Red

Complete C3 HomeCare+

Main Differences for

Bare Floor

Threshold

0.10

Bare Floor

7.5

0.0

No major differences between these vacuums for bare floor. See full list of tests below.

Full Comparison

Bare Floor

7.5

0.0

Low-Pile Carpet

6.5

0.0

High-Pile Carpet

5.8

0.0

Pets

6.7

0.0

Stairs

7.7

0.0

Cars

7.8

0.0

Workshop

5.4

0.0

Design

Build Quality

8.5

N/A

Build Quality Picture

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Vacuum Type

Canister

Locked

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User Maintenance

8.0

N/A

Maintenance Picture

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Brushroll Cleaning Video

SAMPLE

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Recurring Cost

4.5

N/A

Recurring Cost Picture

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Bag Part Number

GN AirClean 3D

Locked

Filter Part Number

SF HA 50

Locked

HEPA Filter Part Number

SF HA 50

N/A

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Storing

7.4

N/A

Storing Picture

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Height

40.94" (104.0 cm)

Lock" (Lock cm)

Width

11.81" (30.0 cm)

Lock" (Lock cm)

Depth

25.20" (64.0 cm)

Lock" (Lock cm)

Cord Storing

Automatic

Locked

On-Board Tool Storage

Yes

Locked

Vacuum Rack/Station

Locked

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Dirt Compartment

8.2

N/A

Dirt Compartment Picture

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Bagless

Locked

Volume

0.66 gal (2.50 L)

Lock gal (Lock L)

Full Indicator

Yes

Locked

Bag Included

Locked

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In The Box

In The Box Picture

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Range

7.7

N/A

Cordless

Locked

Cord Length

24.38 ft (7.4 m)

Lock ft (Lock m)

Hose Length

6.40 ft (1.95 m)

Lock ft (Lock m)

Minimum Wand Length

2.66 ft (0.81 m)

Lock ft (Lock m)

Maximum Wand Length

4.10 ft (1.25 m)

Lock ft (Lock m)

Total Range

34.22 ft (10.43 m)

Lock ft (Lock m)

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Portability

7.1

N/A

Total Weight

15.87 lbs (7.20 kg)

Lock lbs (Lock kg)

Weight In Hand

1.94 lbs (0.88 kg)

Lock lbs (Lock kg)

Carrying handle

Yes

Locked

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Battery

0.0

N/A

Minimum Battery Life

N/A

Maximum Battery Life

N/A

Recharge Time

N/A

Recharge Dock

Locked

Battery Life Indicator

Locked

Removable Batteries

Locked

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Quality Of Life Features

Picture Of Controls

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Rotating Head

Yes

Locked

Power Adjustment

Yes

Locked

Self-Propelled

Locked

Headlights

Yes

Locked

Easy On/Off

Yes

Locked

Head Surface Type Adjustment

Manual

Locked

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Tools And Brushes

Tools And Brush Picture

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Brushroll

Locked

Brushroll On/Off

Locked

Removable Brushroll

Locked

Turbo Brush

Locked

Crevice Tool

Yes

Locked

Upholstery Tool

Yes

Locked

Soft Bristle Brush

Yes

Locked

Hard Bristle Brush

Locked

Extension Wand

Yes

Locked

Ceiling Fan Tool

Locked

Pet Grooming Tool

Locked

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Alternative Configuration

Alternative Configuration Photo 1

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Alternative Configuration Photo 2

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Blower Mode

Locked

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Performance

Hard Floor Pickup

5.0

N/A

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Hard Floor Pickup Post Test

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High-Pile Carpet Pickup

4.0

N/A

High-Pile Carpet Pickup Video

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Low-Pile Carpet Pickup

5.0

N/A

Low-Pile Carpet Pickup Video

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Pet Hair Pickup

4.0

N/A

Pet Hair Pickup Video

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Suction

8.4

N/A

Suction Video

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Maximum Hose Suction

87.8 inH₂O (21.87 kPa)

Lock inH₂O (Lock kPa)

Maximum Head Suction

21.4 inH₂O (5.32 kPa)

Lock inH₂O (Lock kPa)

Normal Head Suction

5.7 inH₂O (1.41 kPa)

Lock inH₂O (Lock kPa)

Setting Used For Normal

"Auto", Head Position "Floor Brush"

Locked

Hose Diameter

1.3" (3.2 cm)

Lock" (Lock cm)

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Airflow

9.3

N/A

Maximum Airflow Video

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Maximum Hose Airflow

122.3 CFM (3.5 m³/min)

Lock CFM (Lock m³/min)

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Noise

8.6

N/A

Noise Video

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Bare Floor

72.3 dBA

Lock dBA

Low-Pile Carpet

62.9 dBA

Lock dBA

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Maneuverability

8.5

N/A

Maneuverability Video

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Pet Hair Furniture Performance

9.0

N/A

Sofa Pickup Video

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Sofa Pickup Post Test

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Air Quality

Sealing Quality Video

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Anti-Allergy Filter (HEPA)

Yes

Locked

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Cracks

9.0

N/A

Cracks Video

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Wood Cracks Post Test

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Stains

3.0

N/A

Stain Video

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Stain Pickup Post Test

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Water

0.0

N/A

Wet Compatible

Locked

Water Video

SAMPLE

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Water Pickup Post Test

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Check Price

Bronze Pearl

Complete C3 Brilliant

Brilliant White

Guard S1 Parquet Flex

Curry Yellow

Complete C3 Calima

Casa Grey

Guard S1 Electro

Ivory White

Complete C3 Alize

Nordic Blue

Guard S1

Lotus White

Complete C3 Cat & Dog

Sunset Yellow

Guard S1

Marine Blue

Complete C3 Marin

Obsidian Black

Complete C3 Kona

Miele

Petrol

Complete C3 Alize

Red

Complete C3 HomeCare+