Products
Miele Dynamic U1 PowerLine
BISSELL PowerForce Helix
Tested using Methodology v1.3
Updated Sep 22, 2025 06:59 PM
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Tested using Methodology v1.3
Updated Dec 10, 2025 09:32 PM
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Wet Compatible
No
Vacuum Type
Upright
Bagless
No
Cordless
No
Anti-Allergy Filter (HEPA)
No
Wet Compatible
No
Vacuum Type
Upright
Bagless
Yes
Cordless
No
Anti-Allergy Filter (HEPA)
No
Our Verdict
Miele Dynamic U1 PowerLine
BISSELL PowerForce Helix
The Miele Dynamic U1 PowerLine is a better upright vacuum than the BISSELL PowerForce Helix. The Miele is more effective at clearing all kinds of debris on bare and carpeted floors, is much sturdier-feeling, is easier to maintain, and offers greater maneuverability in tight spaces. It also comes with more specialized cleaning brushes. That said, the BISSELL is cheaper to maintain and much lighter.
Variants
- Dynamic U1 (Fresh Air)
- Dynamic U1 (Maverick)
- Dynamic U1 (PowerLine)
- PowerForce Helix (Black/Blue)
- PowerForce Helix (Black/Purple)
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Fresh Air
Dynamic U1
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Black/Blue
PowerForce Helix
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Maverick
Dynamic U1
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Black/Purple
PowerForce Helix
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PowerLine
Dynamic U1
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Main Differences for
Bare Floor
Bare Floor
Threshold
Bare Floor
6.6
6.6
Hard Floor Pickup
4.0
6.5
Portability
5.8
8.0
Build Quality
8.5
6.0
User Maintenance
7.5
5.5
Maneuverability
7.0
5.5
Recurring Cost
5.5
7.5
Cracks
6.0
5.0
Full Comparison
Design
Build Quality
8.5
6.0
Build Quality Picture
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Vacuum Type
Upright
Upright
User Maintenance
7.5
5.5
Maintenance Picture
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Brushroll Cleaning Video
Recurring Cost
5.5
7.5
Recurring Cost Picture
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Bag Part Number
U AirClean 3D
No bag
Filter Part Number
SF AA 30
1608225
HEPA Filter Part Number
No HEPA Filter
No HEPA Filter
Storing
7.0
7.1
Storing Picture
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Height
46.06" (117.0 cm)
43.50" (110.5 cm)
Width
13.78" (35.0 cm)
13.39" (34.0 cm)
Depth
14.17" (36.0 cm)
14.76" (37.5 cm)
Cord Storing
Manual
Manual
On-Board Tool Storage
Yes
Yes
Vacuum Rack/Station
No
No
Dirt Compartment
8.4
8.0
Dirt Compartment Picture
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Bagless
No
Yes
Volume
1.11 gal (4.20 L)
0.40 gal (1.50 L)
Full Indicator
Yes
Yes
Bag Included
1
No Bag Needed
In The Box
In The Box Picture
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Range
8.5
6.1
Cordless
No
No
Cord Length
39.57 ft (12.1 m)
22.97 ft (7.0 m)
Hose Length
8.43 ft (2.57 m)
3.48 ft (1.06 m)
Minimum Wand Length
1.90 ft (0.58 m)
1.25 ft (0.38 m)
Maximum Wand Length
2.66 ft (0.81 m)
2.92 ft (0.89 m)
Total Range
42.22 ft (12.87 m)
25.89 ft (7.89 m)
Portability
5.8
8.0
Total Weight
22.05 lbs (10.00 kg)
10.36 lbs (4.70 kg)
Weight In Hand
4.30 lbs (1.95 kg)
1.63 lbs (0.74 kg)
Carrying handle
Yes
Yes
Battery
0.0
0.0
Minimum Battery Life
N/A
N/A
Maximum Battery Life
N/A
N/A
Recharge Time
N/A
N/A
Recharge Dock
No
No
Battery Life Indicator
No
No
Removable Batteries
No
No
Quality Of Life Features
Picture Of Controls
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Rotating Head
Yes
No
Power Adjustment
Yes
No
Self-Propelled
No
No
Headlights
Yes
No
Easy On/Off
Yes
Yes
Head Surface Type Adjustment
None
Manual
Tools And Brushes
Tools And Brush Picture
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Brushroll
Yes
Yes
Brushroll On/Off
Yes
No
Removable Brushroll
No
Yes
Turbo Brush
Yes
No
Crevice Tool
Yes
Yes
Upholstery Tool
Yes
No
Soft Bristle Brush
Yes
Yes
Hard Bristle Brush
No
No
Extension Wand
Yes
Yes
Ceiling Fan Tool
No
No
Pet Grooming Tool
No
No
Alternative Configuration
Alternative Configuration Photo 1
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Alternative Configuration Photo 2
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Blower Mode
No
No
Performance
Hard Floor Pickup
4.0
6.5
Hard Floor Pickup video
Hard Floor Pickup Post Test
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High-Pile Carpet Pickup
6.0
6.0
High-Pile Carpet Pickup Video
High-Pile Carpet Pickup Post Test
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Low-Pile Carpet Pickup
6.0
5.5
Low-Pile Carpet Pickup Video
Low-Pile Carpet Pickup Post Test
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Pet Hair Pickup
7.0
6.5
Pet Hair Pickup Video
Pet Hair Pickup Post Test
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Suction
2.6
3.3
Suction Video
Maximum Hose Suction
71.8 inH₂O (17.88 kPa)
55.0 inH₂O (13.69 kPa)
Maximum Head Suction
0.8 inH₂O (0.21 kPa)
1.0 inH₂O (0.24 kPa)
Normal Head Suction
0.7 inH₂O (0.18 kPa)
1.0 inH₂O (0.24 kPa)
Setting Used For Normal
Smooth, (Brushroll Off)
Dial Setting "bare floor I"
Hose Diameter
1.3" (3.2 cm)
1.4" (3.5 cm)
Airflow
8.5
8.1
Maximum Airflow Video
Maximum Hose Airflow
85.4 CFM (2.4 m³/min)
77.3 CFM (2.2 m³/min)
Noise
8.4
7.4
Noise Video
Bare Floor
72.7 dBA
81.5 dBA
Low-Pile Carpet
72.5 dBA
78.6 dBA
Maneuverability
7.0
5.5
Maneuverability Video
Pet Hair Furniture Performance
9.0
7.0
Sofa Pickup Video
Sofa Pickup Post Test
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Air Quality
Sealing Quality Video
Anti-Allergy Filter (HEPA)
No
No
Cracks
6.0
5.0
Cracks Video
Wood Cracks Post Test
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Stains
1.0
1.0
Stain Video
Stain Pickup Post Test
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Water
0.0
0.0
Wet Compatible
No
No
Water Video
Water Pickup Post Test
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Check Price
Fresh Air
Dynamic U1
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Black/Blue
PowerForce Helix
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Maverick
Dynamic U1
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Black/Purple
PowerForce Helix
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PowerLine
Dynamic U1
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Miele Dynamic U1 PowerLine
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Miele Dynamic U1 PowerLine vs BISSELL PowerForce Helix: Main Discussion
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