Average score
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.2
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.4
Accessories and Tools
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.2
The included tools and telescoping wand are generally praised for versatility, but one reviewer criticizes the crevice tool as too thin.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.3
The 600 Series drew broad praise for its attachment set, powered pet tool, and included accessories, though one technician found the tool set only partly satisfying.
Aesthetic design and finish
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.3
Two reviewers like the look, with praise for the overall appearance and the dark red finish.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.2
The visual design received mild praise, with reviewers saying it looked good or nice.
Airflow blowback
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.0
One technician reported debris bouncing around inside the head, indicating blowback or poor internal airflow management.
Area Rug Handling
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
Area-rug handling is supported by one comparison review saying it performs as intended on carpets, rugs, and flat floors.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.0
One comparison review said the vacuum handled rugs along with carpets and flat floors as expected.
Assembly and Setup
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
Setup evidence is limited but positive, with the hose/pipe connection described as very easy.
P2Product 2: Kenmore 600 Series Canister Vacuum
No score yetBag-full indicator
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
The bag-full indicator receives clear praise as helpful for knowing when to change the bag.
P2Product 2: Kenmore 600 Series Canister Vacuum
No score yetBin and Bag
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.3
The bag system is viewed positively overall, with easy replacement and a large, quality-feeling bag, though one unboxing notes some figuring out was needed.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.9
Bagged operation was praised for dust containment and easy bag replacement, but one technician criticized the bag seal design.
Build quality and durability
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
Build-related comments are positive but narrow, focusing on a good-quality hose and thick bag material.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.2
Build quality was polarizing, with one reviewer calling the vacuums well built and another pointing to taped shortcuts and weak construction.
Carpet — High-Pile Pickup
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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.
Carpet — Low-Pile Pickup
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.8
Low-pile carpet pickup performs very well in one direct test where debris cleanup was described as a breeze.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.9
Low-pile carpet results were generally positive, including an impressive measured pickup score and a decent carpet-test result.
Clogging and debris prevention
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.4
A technician reported cereal snowplowing and debris bouncing, indicating imperfect debris control inside the head.
Comparative performance
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
Comparative evidence is strong: reviewers say suction is very close to the 600 Series and performance rivals much more expensive canisters.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.8
Comparative evidence was mostly favorable against similarly priced or cordless alternatives, but one technician preferred other vacuums in a higher price range.
Controls and UI
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
The suction adjustment and handle controls are liked, though one reviewer notes the adjustment location is unusual.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.2
Handle controls, suction adjustment, brush switching, and height controls were generally treated as convenient and easy to use.
Cord length
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
Cord reach is praised, with one review calling the cord very long and another saying it provides plenty of reach.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.6
Cord length feedback varied from long-enough praise to one technician calling it surprisingly short; another reviewer treated the 600's extra length as minor.
Cord management
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.3
Cord management is positive, with praise for the cord rewind and easier put-away compared with hand-winding.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.7
Cord rewind was usually praised as convenient, but one technician found the rewind slow and weak.
Crevice / Groove Pickup (Hard Floors)
P1
Product 1: Kenmore 400 Series Bagged Canister...
2.5
Crevice pickup has a clear limitation from one reviewer who says the crevice tool is too thin for dirt to pass easily.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.1
Crevice and corner pickup on hard floors was viewed positively, with the standard head or slim tool considered useful.
Dual motors
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.7
The dual-motor system is praised for power and deep-cleaning capability.
P2Product 2: Kenmore 600 Series Canister Vacuum
No score yetEase of use
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.4
Ease of use is a repeated strength, with reviewers saying vacuuming is easy and the swiveling powerhead is easy to use.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.6
Ease of use was divided: several reviewers found it convenient or nice to use, while others criticized clunky handling and bulk.
Edge and Baseboard Cleaning (Hard Floors)
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
One comparison review says the floorhead movement helps reach room corners more easily.
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.3
Edge and baseboard hard-floor cleaning was criticized because grounds were pushed forward and left behind near the wall.
Emptying and Mess Control
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
Emptying is praised through the bag system: reviewers describe grabbing the full bag, throwing it away, and replacing it.
P2Product 2: Kenmore 600 Series Canister Vacuum
No score yetFiltration / Dust Containment
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.4
Filtration receives positive comments across reviews, including HEPA/allergy benefits and praise for keeping dust from being pushed back into the room.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.1
Filtration was a major strength in several reviews, with strong sealed-system and smoke-test praise, but one technician disputed the seal and reported dust leakage.
Floorhead design
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.1
The floorhead earns positive remarks for swivel usability and for being wand-connected, which improves maneuverability.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.7
Floorhead feedback was mixed: reviewers liked agitation, height adjustment, and corner access, but complained about bulk and poor internal aerodynamics.
Floorhead Seal on Hard Floors
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.4
Hair removal requires manual cleanup in multiple reviews, especially around the brush roll.
Hair Pickup — Carpets
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.5
One reviewer noted the absence of LED lighting as a limitation.
Hose length
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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.
Maintenance requirements
P1
Product 1: Kenmore 400 Series Bagged Canister...
3.9
Maintenance is mostly positive, though one unboxing finds bag/filter handling a little tricky to figure out.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.4
Maintenance was split between easy-care praise for bags and filters and concerns about hair cleanup, belt replacement, and repair economics.
Maneuverability and Handling
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
Maneuverability is a repeated strength, with reviewers praising easy movement, lightweight handling, comfortable movement, and tight-space maneuverability.
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.6
Handling was sharply split, from one positive movement comment to strong complaints about bulk, clunkiness, and outdated maneuverability.
Onboard tool storage
P1
Product 1: Kenmore 400 Series Bagged Canister...
3.7
Onboard storage is mixed: some tools fit nicely, but the 600 Series is considered more convenient because it hides all attachments.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.3
Onboard tool storage was consistently praised for convenience and internal attachment storage.
Ongoing ownership costs (bags, filters, batteries)
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
Ownership cost evidence is tied to the bagged design being described as not very high maintenance despite requiring bags.
P2Product 2: Kenmore 600 Series Canister Vacuum
No score yetOverall durability/longevity
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
One reviewer describes the vacuum as reliable, supporting a positive but limited durability/longevity score.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.8
Longevity evidence is split: two reviewers referenced long Kenmore ownership without issues, while one technician criticized serviceability and expected limited repairs.
Overall opinion
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
Every review that gave an overall judgment was positive, ranging from good and impressive to extremely satisfied.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.5
Overall opinion was mixed, ranging from great-buy praise to middling or far-from-best verdicts.
Packaging quality
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
Packaging evidence is limited to one reviewer describing the box as compact and containing everything needed.
P2Product 2: Kenmore 600 Series Canister Vacuum
No score yetPet-Ready Features
P1
Product 1: Kenmore 400 Series Bagged Canister...
3.5
Pet-related evidence is mixed: one comparison frames the 400 as better for people without pets, while another review says the included attachments can handle pet-hair cleanup.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.7
Pet tooling impressed some reviewers, especially the powered pet attachment, but other testing found hair wrap, stalling, and weak pet-hair results on carpet.
Price and Value
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
Value is a major strength, with reviewers calling the price good, a great buy, and the best bang for the buck.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.5
Value opinions were divided: some reviewers called it a good buy or strong feature value, while others thought the price was hard to justify.
Scratch resistance
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.0
A technician warned that hard plastic wheel surfaces make it a poor choice for delicate floors.
Stair Cleaning
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: 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.
Storage footprint and upright-stand stability
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.2
One unboxing praises the way the hard-floor tool fits snugly into the back of the vacuum for storage.
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.5
The canister stores upright, but reviewers also described it as large, bulky, and visually bigger than typical canisters.
Suction and Airflow
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.6
Reviewers consistently describe the vacuum as powerful, with nice suction power, strong brush-roll performance, and successful pickup in direct debris testing.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.1
Reviewers generally found suction and airflow strong, though one reviewer noted the measured suction was not exceptional despite solid pickup outcomes.
Suitability for heavy-duty use
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
One direct pickup test supports heavier-duty use by showing tough debris was no match for the sweeper.
P2Product 2: Kenmore 600 Series Canister Vacuum
No score yetSuitability for small spaces
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.8
One reviewer highlights the canister design as a strong option for smaller rooms and tight spaces.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.0
Small-space suitability is mixed: the smaller hard-floor tool can fit tight spots, but the overall canister is bulky.
Support and Reliability
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.0
Reliability is supported by one reviewer calling it a reliable vacuum, but there is no separate customer-support evidence.
P2
Product 2: Kenmore 600 Series Canister Vacuum
3.8
One technician liked the parts availability and repairability, while still questioning repair economics elsewhere in the review.
Surface safety with attachments
P1Product 1: Kenmore 400 Series Bagged Canister...
No score yet
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.0
One technician cautioned against using it on delicate floors because of hard plastic wheels.
Tool-change simplicity
P1
Product 1: Kenmore 400 Series Bagged Canister...
3.9
Tool changes and attachment fit are mostly easy, though one comparison says the 600 Series makes the wider attachment easier to pick up.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.0
Tool changes and Pop-N-Go access were often described as convenient and easy, with one reviewer warning the Pop-N-Go mechanism did not work every time.
Under-Furniture Pickup
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.8
Under-furniture cleaning is a clear positive in one review, which calls it a huge advantage for hard-to-reach areas.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.2
One reviewer said the canister design worked pretty well for reaching under beds.
Upholstery / Above-Floor Pickup
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.1
Above-floor cleaning is supported by comments about couches, curtains, car floors, crevices, and attachment-based versatility.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.1
Above-floor and upholstery cleaning was usually praised for the powered pet/upholstery tool, although one technician's tool stalled during use.
Versatility
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.4
Versatility is praised across reviews, especially because the attachments and canister design cover varied cleaning tasks.
P2
Product 2: Kenmore 600 Series Canister Vacuum
4.5
The vacuum was repeatedly praised for multi-surface versatility, onboard tools, and above-floor reach.
Weight
P1
Product 1: Kenmore 400 Series Bagged Canister...
4.5
One reviewer praises the vacuum as lightweight and easy to move around.
P2
Product 2: Kenmore 600 Series Canister Vacuum
2.3
Weight was a common concern, with reviewers calling it heavy, heavier than competitors, or poorly balanced.