Average score
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
3.9
P2
Product 2: Shark Stratos Upright Vacuum
4.4
Accessories and Tools
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.1
Commonly described as coming with a practical set of basic tools (crevice and upholstery/wide upholstery tool; some variants add pet tools). Lift-Away makes these tools more useful for stairs and above-floor cleaning.
P2
Product 2: Shark Stratos Upright Vacuum
3.9
Most bundles include basic tools (crevice + upholstery), but multiple reviewers wanted more (notably a dusting/baseboard brush), so accessory depth depends on the package.
Assembly and Setup
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.6
Setup is consistently described as fast and intuitive, typically snapping together in minutes with no tools required.
Automatic standby switch
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.6
A safety/standby behavior is noted: the brushroll stops spinning when the vacuum is upright or when using the hose/wand.
Bin and Bag
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.3
Bagless dust cup is generally considered easy to empty; some sources highlight an open/easy-to-clean canister design that supports long-term upkeep.
P2
Product 2: Shark Stratos Upright Vacuum
4.3
Bagless bin/cup is on the larger side with easy removal and bottom-door emptying, but the big cup adds bulk and may fill quickly in pet-heavy homes.
Build quality and durability
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.6
Build quality impressions are mostly positive, described as sturdy with hefty parts appropriate for regular whole-home use.
Carpet — High-Pile Pickup
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
2.9
High-pile/shag performance is a recurring weak spot: fixed height and head geometry can struggle to get on top of larger debris or can be harder to push on thick carpet compared with uprights with height adjustment.
P2
Product 2: Shark Stratos Upright Vacuum
4.1
High-pile/shag results are mixed: some reviewers report strong cleaning, while at least one lab-style test shows notably reduced pickup on shag/high-pile.
Carpet — Low-Pile Pickup
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.2
Low-pile carpet pickup is consistently strong in testing-style writeups, often above average for the upright category at its price.
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Low-pile carpet cleaning is consistently near the top of the class across multiple lab-style reviews.
Carpet — Medium-Pile Pickup
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.6
Medium-pile carpet deep cleaning is often a highlight, with at least one lab-style comparison giving it top-tier embedded debris results in its price segment.
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Medium-pile carpet pickup is consistently strong, with high debris removal in lab-style tests and good deep-cleaning impressions.
Clogging and debris prevention
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Debris flow is generally strong with no obvious clogging in common hair/debris pickup, though long-term clog resistance is not deeply covered.
Comparative performance
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.2
Often framed as outperforming many budget uprights and competing surprisingly well against pricier models in certain tests, but it generally trails modern premium heads on high-pile and specialized hard-floor pickup.
P2
Product 2: Shark Stratos Upright Vacuum
4.5
Comparisons commonly place the Stratos near the top for overall cleaning and filtration, with occasional notes that some competitors do better on niche cases like shag.
Controls and UI
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
3.3
Controls are generally simple and include a brushroll on/off (or brush control) to transition between carpet and hard floors; lack of height adjustment is a repeated limitation for thick rugs/high pile and some large-debris situations.
P2
Product 2: Shark Stratos Upright Vacuum
4.6
Controls are well-liked: large, clearly labeled buttons and surface-mode selection make switching floor types simple.
Cord length
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.0
Cord length is generally reported as adequate/good for the class, with some comparisons noting premium or competing models can be longer; exact length varies by variant in sources.
P2
Product 2: Shark Stratos Upright Vacuum
4.5
Cord length is generally described as long (around 29-30 ft in several reviews), supporting larger rooms with fewer outlet swaps.
Crevice / Groove Pickup (Hard Floors)
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
2.9
Crevice/crack pickup is repeatedly described as a limitation versus newer designs; some tests show below-average removal in crevice-style trials, making the wand more important for edges/cracks.
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Crevice/crack cleaning is rated highly, with strong results in groove and seam tests on hard floors.
Ease of use
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.5
Ease-of-use is generally rated high thanks to strong cleaning per pass and intuitive controls, but comfort can be reduced by the heavier, bulkier build.
Edge and Baseboard Cleaning (Hard Floors)
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
3.8
Edge/baseboard performance is variable: some sources say it cleans edges well head-on, but others note it can miss a small band near edges or struggle on parallel passes along walls.
P2
Product 2: Shark Stratos Upright Vacuum
4.5
Edge cleaning is generally above average, though some tests suggest it may take an extra nudge for a perfectly clean edge.
Emptying and Mess Control
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.5
Emptying is usually easy via a bottom-door design, and the bin often opens further for cleaning if debris gets stuck.
Filtration / Dust Containment
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.4
A key strength: sources describe a sealed system paired with HEPA filtration/Complete Seal-style containment, which improves dust/allergen containment compared with many budget uprights.
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Filtration is a standout: reviewers describe a sealed system with HEPA-level capture, and lab-style testing reports very low leakage well-suited to allergy-sensitive homes.
Floorhead design
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.5
The dual-brush/PowerFins style floorhead is highlighted as effective across hard floors and carpet; limited height adjustment can be a drawback on very plush carpet.
Floorhead Seal on Hard Floors
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.6
Hard-floor sealing and debris control are strong, with minimal scatter/snowplowing reported in most tests.
Hair Pickup — Carpets
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.0
Hair pickup on carpets is generally solid for typical pet hair, but some testing notes clumping and that not all hair makes it fully to the bin in tougher trials.
P2
Product 2: Shark Stratos Upright Vacuum
4.4
Hair pickup on carpet is generally good in real-world use, but controlled tests show weaker performance on high-pile carpet.
Hair Pickup — Hard Floors
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.1
Hair pickup on hard floors is generally described as effective for everyday pet hair, aided by strong suction and above-floor tools.
P2Product 2: Shark Stratos Upright Vacuum
No score yetHair‑Wrap / Tangle Resistance
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
2.9
Long-hair wrap is a consistent drawback across tests and reviews; owners should expect periodic brushroll clearing, especially with longer hair and heavy shedding households.
P2
Product 2: Shark Stratos Upright Vacuum
4.6
Many reviews praise strong tangle resistance, but some testing still found long-hair and pet-fur wrap on high-pile carpet, so occasional brush cleaning may be needed.
Hard Floor — Fine Dust Pickup
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
3.7
Fine debris on hard floors is generally good but not best-in-class; at least one test notes it can leave fine sand behind, requiring extra passes.
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Hard-floor fine-dust performance is consistently excellent in lab-style tests and reviewer use.
Hard Floor — Large Debris Intake
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
3.3
Large debris on hard floors/rugs can be mixed: it can handle many everyday pieces, but multiple mentions note pushing/scattering crummy or larger particles in some scenarios without height adjustment or a more modern head design.
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Large-debris pickup on hard floors is a strong point, with good intake and limited flinging in most tests.
Headlight and LED lights
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.0
Headlights are included and can help spot debris, but brightness/coverage impressions vary across reviewers.
Hose length
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
3.1
Hose/wand reach is a common nit: multiple writeups mention wishing the hose were longer or the wand had more reach, which can limit above-floor range compared with some alternatives.
P2
Product 2: Shark Stratos Upright Vacuum
4.2
Hose length alone is not especially long in spec terms, but combined with the wand/stretch design it can reach roughly 8 ft+ in use.
Maintenance requirements
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
3.9
Maintenance is straightforward (wash/replace filters, keep bin empty), but brushroll hair wrap and periodic clearing are repeatedly mentioned as the main ongoing chore.
P2
Product 2: Shark Stratos Upright Vacuum
4.1
Maintenance is moderate: washable filters and easy-empty bins help, but periodic brush/roller checks are still needed and odor cartridges add upkeep if used.
Maneuverability and Handling
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.1
Maneuverability is often a plus (notably swivel steering), though some testing notes it can feel stiffer than premium uprights and may require a bit more effort under strong suction conditions.
P2
Product 2: Shark Stratos Upright Vacuum
3.9
Handling is mixed: steering/swivel is praised for tight turns, but weight and bulk can feel awkward for stairs, tight areas, or long hose use (and it may tip).
Noise level
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.2
Noise is frequently described as relatively quiet for an upright; at least one test set places it among the quietest in its comparison group.
P2
Product 2: Shark Stratos Upright Vacuum
3.4
Noise is a common complaint: it is often described as louder than expected for a premium upright, though not necessarily the loudest in its category.
Odor control
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
3.4
The odor-neutralizer feature is polarizing: some notice a light freshness at first, but others barely detect it or say it fades quickly, making it optional upkeep.
Onboard tool storage
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.4
Some versions include onboard storage for key tools, helping keep basic attachments accessible.
Ongoing ownership costs (bags, filters, batteries)
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.4
Ongoing costs are generally modest (washable filters and long replacement intervals), but odor-neutralizer cartridges add a recurring cost if you use them.
Overall opinion
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.5
Overall sentiment is strongly positive, often ranking it near the top of upright-vac tests, with recurring caveats around weight/bulk and mixed shag/high-pile results.
Packaging quality
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.7
Packaging is described as organized and protective, with parts wrapped and easy to lift out.
Pet-Ready Features
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.2
Often praised for pet homes thanks to strong suction and anti-wrap brushrolls, but at least one lab-style review found pet-hair pickup only average, especially on high-pile carpet.
Price and Value
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.6
Repeatedly positioned as a standout value in the $100–$200-ish budget upright space, with performance and sealed filtration that often beat cheaper uprights and compete well for the price.
P2
Product 2: Shark Stratos Upright Vacuum
4.4
Despite a premium price, reviewers often frame it as strong value versus higher-priced competitors due to cleaning performance, filtration, and Lift-Away versatility.
Self-propel feature
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
3.9
Not a true self-propelled upright, but some reviewers note the floorhead/rollers can provide a slight assist that makes pushing feel easier.
Stair Cleaning
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.4
Lift-Away is repeatedly called out as making stair cleaning and above-floor cleaning meaningfully easier than standard uprights, though hose/wand reach can be a limiting factor depending on variant.
P2
Product 2: Shark Stratos Upright Vacuum
4.2
Lift-Away helps with stairs by reducing what you have to maneuver, but the overall machine is still heavy, so frequent stair carrying can be tiring.
Storage footprint and upright-stand stability
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
2.9
The body and dust cup can feel bulky/top-heavy; at least one reviewer noted it can tip more easily, especially when stretching the hose.
Suction and Airflow
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.3
Suction and airflow are frequently described as strong for the price and consistent over time when maintained; several comparisons treat suction power as a primary reason it remains popular.
P2
Product 2: Shark Stratos Upright Vacuum
4.8
Suction is repeatedly described as top-tier for a corded upright; multiple reviews link that power to fast pickup on most surfaces.
Suitability for heavy-duty use
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.4
Frequently described as capable of heavy-duty jobs thanks to strong suction and sturdy construction, including tasks like car cleaning.
Support and Reliability
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.3
Support expectations are helped by commonly cited multi-year warranty coverage and broad parts availability; durability is often described as adequate but plastic-heavy.
P2Product 2: Shark Stratos Upright Vacuum
No score yetTool-change simplicity
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.5
Switching from floor cleaning to hose/wand and tools is typically quick and straightforward, helped by the Lift-Away style design and simple releases.
Under-Furniture Pickup
P1Product 1: Shark Navigator Lift-Away Upright Vacuum
No score yet
P2
Product 2: Shark Stratos Upright Vacuum
4.6
Under-furniture cleaning is a major advantage thanks to Powered Lift-Away, though the unit can feel clumsier if the canister stays attached in low clearance.
Upholstery / Above-Floor Pickup
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.1
No summary yet.
P2
Product 2: Shark Stratos Upright Vacuum
4.3
Above-floor cleaning is effective with the included tools; some bundles add powered pet tools that improve upholstery and tight-space results.
Versatility
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.4
Versatility is a defining feature due to Lift-Away mode and above-floor usability; it’s commonly recommended for stairs, upholstery, and hard-to-reach areas relative to basic uprights.
P2
Product 2: Shark Stratos Upright Vacuum
4.7
Versatility is a key strength: Lift-Away/Powered Lift-Away makes above-floor work and under-furniture cleaning easier than many uprights.
Weight
P1
Product 1: Shark Navigator Lift-Away Upright Vacuum
4.2
Usually described as lightweight for an upright and easier to carry than many competitors, supporting its budget-all-purpose positioning.
P2
Product 2: Shark Stratos Upright Vacuum
3.2
Weight is a recurring downside at about 17 lb; manageable for many, but noticeable for stairs and frequent carrying.