Torn between DuoFlex HX1 Extra and 43579 for your next cordless vacuum?

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We examine the DuoFlex HX1 Extra – a battery-power vacuum by Miele, comparing runtime, dust tank, and costs, with – 43579 by Quest, analysing real-world vacuuming performance.
By assessing these vacuums – the DuoFlex HX1 Extra and 43579 from MIELE and QUEST, you get the best floorcare machine.
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Best cordless vacuum – Shark PowerPro – beating DuoFlex HX1 Extra and 43579 on performance and value
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Get DealMIELE DuoFlex HX1 Extra vs QUEST 43579 – key Specifications
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
QUEST 43579 Specs

- Product Brand: QUEST
- Cordless Vacuum Model: 43579
- Type of Vacuum: Handheld
- Battery Life: 40 Minutes
- Dirt Tank Capacity: 0.65L
- Weight: 2.8KG
- Colour: Black & Red
- RRP: £125.00
DuoFlex HX1 Extra and 43579 Cordless Battery Run Time
MIELE Stick cordless vacuums, like the DuoFlex HX1 Extra, provides lightweight portability without mains cables. 43579 Handheld is also cordlessly powered by a QUEST rechargeable battery.
The Quest 43579 has a battery supply runtime of 40 minutes of cleaning, compared to the Miele DuoFlex HX1 Extra which has 55 minutes life.
- MIELE DuoFlex HX1 Extra Runtime: 55 mins continuous vacuuming
- QUEST 43579 Runtime: 40 mins continuous vacuuming
Charging times between the DuoFlex HX1 Extra and 43579 varies – check manual.
Cordless Vacuum Dust Tank Capacity
Both Miele DuoFlex HX1 Extra and Quest 43579 are bagless, storing dust, hairs, dirt, and debris inside a sealed 0.3 litre and 0.65 litre tank, respectively. The 43579 by QUEST holds up to 0.65 Litre of compressed dirty particles. The DuoFlex HX1 Extra by MIELE has a capable capacity of 0.3 litre for manual disposable.
- DuoFlex HX1 Extra onboard dirt/dust tank size: 0.3L
- 43579 onboard dirt/dust tank size: 0.65L
Floor Cleaning Types
Miele’s DuoFlex HX1 Extra and Quest’s 43579 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 43579 and DuoFlex HX1 Extra can’t vacuum liquids. For this, a QUEST or MIELE ‘wet and dry’ vacuum is needed.
Most Miele and Quest battery powered vacuums include accessories. Check DuoFlex HX1 Extra or 43579 manual for specifications and attachments.
Vacuum Filtration
The 43579 and MIELE DuoFlex HX1 Extra include effective filters to capture dust, dander, pollen, hairs, and fibres.
MIELE and QUEST use HEPA, foam, or cloth, filters. DuoFlex HX1 Extra and 43579 maintain suction and clean exhaust air.
QUEST and MIELE Reviews
Combined feedback from 31 reviewers shows the DuoFlex HX1 Extra with a rating of 4.8/5 stars, and the 43579 vacuum gains a 4.4/5 average from 22 reviews, showing comparable reliability results.
| Brand | Model | Runtime | Weight | Tank | Best Price |
| MIELE | DuoFlex HX1 Extra | 55 M | 3.1 | 0.3L | £299.00 |
| QUEST | 43579 | 40 M | 2.8 | 0.65L | £125.00 |
Best Buy: Shark PowerPro Cordless Stick Vacuum
Best cordless vacuum – Shark PowerPro – beating DuoFlex HX1 Extra and 43579 on performance and value
Limited Offer
Get Deal