Torn between Multi K9 and DuoFlex HX1 Extra for your next cordless vacuum?

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We examine the Multi K9 – a battery-power vacuum by Gtech, comparing runtime, dust tank, and costs, with – DuoFlex HX1 Extra by Miele, analysing real-world vacuuming performance.
By assessing these vacuums – the Multi K9 and DuoFlex HX1 Extra from GTECH and MIELE, you get the best floorcare machine.
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Get DealGTECH Multi K9 vs MIELE DuoFlex HX1 Extra – key Specifications
GTECH Multi K9 Specs

- Product Brand: GTECH
- Cordless Vacuum Model: Multi K9
- Type of Vacuum: Handheld
- Battery Life: 20 Minutes
- Dirt Tank Capacity: 0.4L
- Weight: 1.5KG
- Colour: Green & Black
- RRP: £199.00
MIELE DuoFlex HX1 Extra Specs

- Product Brand: MIELE
- Cordless Vacuum Model: DuoFlex HX1 Extra
- Type of Vacuum: Stick
- Battery Life: 55 Minutes
- Dirt Tank Capacity: 0.3L
- Weight: 3.1KG
- Colour: Lotus White
- RRP: £299.00
Multi K9 and DuoFlex HX1 Extra Cordless Battery Run Time
GTECH Handheld cordless vacuums, like the Multi K9, provides lightweight portability without mains cables. DuoFlex HX1 Extra Stick is also cordlessly powered by a MIELE rechargeable battery.
The Miele DuoFlex HX1 Extra has a battery supply runtime of 55 minutes of cleaning, compared to the Gtech Multi K9 which has 20 minutes life.
- GTECH Multi K9 Runtime: 20 mins continuous vacuuming
- MIELE DuoFlex HX1 Extra Runtime: 55 mins continuous vacuuming
Charging times between the Multi K9 and DuoFlex HX1 Extra varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Gtech Multi K9 and Miele DuoFlex HX1 Extra are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.4 litre and 0.3 litre tank, respectively. The DuoFlex HX1 Extra by MIELE holds up to 0.3 Litre of compressed dirty particles. The Multi K9 by GTECH has a capable capacity of 0.4 litre for manual disposable.
- Multi K9 onboard dirt/dust tank size: 0.4L
- DuoFlex HX1 Extra onboard dirt/dust tank size: 0.3L
Floor Cleaning Types
Gtech’s Multi K9 and Miele’s DuoFlex HX1 Extra brush heads are effective on every surface – carpets & deep-pile rugs, hard floors (laminate, wood, tiles), vinyl, even upholstery, and stairs.
Their only limitation is the DuoFlex HX1 Extra and Multi K9 can’t vacuum liquids. For this, a MIELE or GTECH ‘wet and dry’ vacuum is needed.
Most Gtech and Miele battery powered vacuums include accessories. Check Multi K9 or DuoFlex HX1 Extra manual for specifications and attachments.
Vacuum Filtration
The DuoFlex HX1 Extra and GTECH Multi K9 include effective filters to capture dust, dander, pollen, hairs, and fibres.
GTECH and MIELE use HEPA, foam, or cloth, filters. Multi K9 and DuoFlex HX1 Extra maintain suction and clean exhaust air.
MIELE and GTECH Reviews
Combined feedback from 5,923 reviewers shows the Multi K9 with a rating of 4.8/5 stars, and the DuoFlex HX1 Extra vacuum gains a 4.8/5 average from 31 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| GTECH | Multi K9 | 20 M | 1.5 | 0.4L | £199.00 |
| MIELE | DuoFlex HX1 Extra | 55 M | 3.1 | 0.3L | £299.00 |
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating Multi K9 and DuoFlex HX1 Extra on performance and value
Limited Offer
Get Deal