Performance
Airflow blowback
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.0
One technician reported debris bouncing around inside the head, indicating blowback or poor internal airflow management.
Ongoing ownership costs (bags, filters, batteries)
Kenmore 400 Series Bagged Canister Vacuum Cleaner
4.0
Ownership cost evidence is tied to the bagged design being described as not very high maintenance despite requiring bags.
Kenmore 600 Series Canister VacuumNo score yet
Stair Cleaning
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.8
Stair use was mixed: one reviewer found it easy enough, while others disliked the weight or found the stair features awkward.
Ownership and support
Assembly and Setup
Kenmore 400 Series Bagged Canister Vacuum Cleaner
4.0
Setup evidence is limited but positive, with the hose/pipe connection described as very easy.
Kenmore 600 Series Canister VacuumNo score yet
Other features
Bag-full indicator
Kenmore 400 Series Bagged Canister Vacuum Cleaner
4.5
The bag-full indicator receives clear praise as helpful for knowing when to change the bag.
Kenmore 600 Series Canister VacuumNo score yet
Carpet — High-Pile Pickup
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
3.7
High-pile and shag performance was contested, with two positive shag/carpet comments and one poor high-pile lab result.
Clogging and debris prevention
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.4
A technician reported cereal snowplowing and debris bouncing, indicating imperfect debris control inside the head.
Dual motors
Kenmore 400 Series Bagged Canister Vacuum Cleaner
4.7
The dual-motor system is praised for power and deep-cleaning capability.
Kenmore 600 Series Canister VacuumNo score yet
Emptying and Mess Control
Kenmore 400 Series Bagged Canister Vacuum Cleaner
4.5
Emptying is praised through the bag system: reviewers describe grabbing the full bag, throwing it away, and replacing it.
Kenmore 600 Series Canister VacuumNo score yet
Floorhead Seal on Hard Floors
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.5
One technician found the hard-floor floorhead left a central path, suggesting a weak seal or pickup pattern.
Hair-removal channel issues
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.4
Hair removal requires manual cleanup in multiple reviews, especially around the brush roll.
Hair Pickup — Carpets
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.9
Carpet hair pickup was highly inconsistent, praised in one review but weak in others that found hair left behind.
Hair‑Wrap / Tangle Resistance
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.3
Hair-wrap resistance was a repeated weakness, with multiple reviewers reporting longer hair or pet hair wrapping around the brush roll.
Hard Floor — Fine Dust Pickup
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
4.0
Hard-floor fine-debris pickup ranged from excellent in lab testing to only qualified success in a technician's mixed hard-floor test.
Hard Floor — Large Debris Intake
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
3.5
Large-debris hard-floor intake was split between strong lab pickup and a technician reporting debris falling back out of the nozzle.
Headlight and LED lights
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.5
One reviewer noted the absence of LED lighting as a limitation.
Hose length
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
3.7
Reach and hose length were praised by some reviewers, while one technician disliked the stiff, bulky hose.
Innovation compared to competitors
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
3.5
The Pop-N-Go concept was described as unique or a cool idea, though execution was not uniformly praised.
Packaging quality
Kenmore 400 Series Bagged Canister Vacuum Cleaner
4.0
Packaging evidence is limited to one reviewer describing the box as compact and containing everything needed.
Kenmore 600 Series Canister VacuumNo score yet
Scratch resistance
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.0
A technician warned that hard plastic wheel surfaces make it a poor choice for delicate floors.
Suitability for heavy-duty use
Kenmore 400 Series Bagged Canister Vacuum Cleaner
4.5
One direct pickup test supports heavier-duty use by showing tough debris was no match for the sweeper.
Kenmore 600 Series Canister VacuumNo score yet
Surface safety with attachments
Kenmore 400 Series Bagged Canister Vacuum CleanerNo score yet
Kenmore 600 Series Canister Vacuum
2.0
One technician cautioned against using it on delicate floors because of hard plastic wheels.