Husqvarna Automower 420 iQIVEnvironmentalCompare

Released 2025.08Reassessed 2026.11.02Compare

Husqvarna Automower 420 iQ

Name: Husqvarna Automower 420 iQ
Brand: Husqvarna

Husqvarna's spec table gives it the same EPOS navigation, radar, 9.4 in cut and slope ratings as the half-acre 410 iQ, with twice the rated area and a 54-minute typical charge. Coverage found is roundup and deal listings; no hands-on test of the 420 iQ itself was found.

List price

$3,299.99

Amazon listings

Some links earn Robovations a commission.

Released 2025.08Reassessed 2026.11.02

Autonomy Ladder

Why Level IV.

One five-rung scale, every category, from acting only on command to working unsupervised anywhere.

VGeneralized AutonomyAny task, any setting. No consumer robot has reached it.
To reach Level VWorks across task types and environments it was never configured for.
IVEnvironmental AutonomyThis robot

Husqvarna Automower 420 iQ sees ordinary obstacles before contact, copes without the space being cleared, and frees itself when stuck.

Navigation and control

EPOS satellite positioning (Husqvarna Cloud correction or RS1 reference station) with radar
Why this level
- The 420 iQ runs the iQ series navigation Husqvarna documents.
- Radar sensing objects ahead, satellite work areas with stay-out zones, and transport paths that carry the mower across a driveway between zones unattended.
- The independent coverage on file is roundups and price posts, with no hands-on test of this model.
Autonomy dimension 76 / 100 · 7 independent sources reviewed, 3 from the maker
IIIConditional AutonomyFinishes whole jobs in familiar spaces; struggles at the edges.
IIAssisted AutonomyRuns preset routines; stalls at anything new.
IManual AutomationOne action on command; no independent operation.

How we assign a level →

Behind the classification

Sources on file.

Verified7 independent sources reviewed, 3 from the maker

Five or more independent sources reviewed. The word says how much we read. It is not a grade.

Independent sources reviewed7

Press & video reviews5 sources

Gear Diary's hands-on review, a Phandroid robot mower roundup, and Bob Vila, 9to5Toys and Mashable price reports

Monitoring record2 sources

Sources behind the tracker entries following this robot.

From the maker, reviewed3

Manufacturer documentation2 sources

Husqvarna US product page with specifications and FAQ, and Husqvarna Group FCC release

Specification sources1 source

Pages the published specifications were read from.

husqvarna.comhusqvarna.com

On file, not yet reviewedNot counted

Firmware release notes1 source

Husqvarna publishes firmware releases and software notes through its support portal; reviewed on an ongoing basis.

Husqvarna support & Automower updateshusqvarna.com

Also monitored, nothing listed yet

Owner reports

Owner reports pending; no owner threads read for this model

How we evaluate evidence →

Human Readiness

Ready Now.

One question: what does buying this robot today walk you into? The state is computed from the record, and recomputed daily.

Ready NowThis robot

Husqvarna Automower 420 iQ is on sale, assessed, and nothing on its record argues for waiting.
How this was derived
- Shipping past the first-90-day ownership window with a published assessment, no documented issues on record, and no announced successor.
Notes on the record
- Bob Vila listed the Automower 420 iQ on sale for $2,999 in a 28 Aug 2025 Labor Day deals post, the earliest dated availability found.
- 9to5Toys and Mashable reported Amazon sale prices in Mar and May 2026, and Husqvarna US lists it at $3,299.99.
On the record
- Shipping since August 2025 · 14 months on the market
- Retail listings on file: Amazon
- No successor announced
- 7 independent sources reviewed, 3 from the maker
What would move it
A documented problem, an announced successor, or a withdrawn listing moves it out; the rating recomputes daily.
New to MarketOn sale under 90 days; the ownership record is still forming.
WaitA successor is announced and has not shipped; re-read the decision when it arrives.
Known IssuesDocumented problems stand on the record; read the case before buying.

How we assess readiness →

Robovations Score

How this number was reached

67of 100

CapableAt or above 49% of the 455 robots we scoreand 38% of the 112 scored robot lawn mowers

DeficientLimitedCapableStrongExemplary

Measured on 6 of the 9 inputs42% not counted

Our assessment did not establish an independent source for field failure rate, software stability, routine maintenance on this machine, so those inputs are left out of the score rather than guessed at, and the rest re-weighted to fill the space. A gap in what we have been able to verify is not evidence against the robot. Where a whole pillar has nothing measured, we publish no number at all.

What moved itpoints gained or lost against a typical robot

Carried by

Support longevity70+0.8

Capability40% of the score66What it does without you.

Task completion16% of the score70

Evidence

Lawn mowers: Gear Diary's 420 iQ laid clean stripes and occasionally missed spots. Its errors meant more trips into the yard than the tester wanted.

Coverage and navigation10% of the score74

Evidence

Lawn mowers: Gear Diary saw systematic patterns, and the 420 iQ occasionally missed spots. Other mowers in its test group were more consistent about full coverage, and the overlap between passes could not be adjusted.

Edge-case recovery10% of the score50

Evidence

Lawn mowers: Gear Diary's 420 iQ slipped down a small hill and out of bounds, threw wheel motor blocked faults and got stuck on roots. The app reported what happened, and the tester had to go out to the mower.

Operating envelope4% of the score66

Evidence

Lawn mowers: Gear Diary found the 420 iQ will climb its rated slope, but rear wheel drive limits traction, and it got hung up on exposed roots that other mowers handled.

Dependability40% of the score70Whether it keeps doing it.

Field failure ratenot countedno source verified70

Evidence

Gear Diary reports wheel motor blocked faults and calls none of its errors catastrophic. No independent report of a hardware failure on the 420 iQ was found as of November 2026.

Software stabilitynot countedno source verified65

Evidence

Husqvarna's own firmware notes list releases covering the 410iQ, 420iQ and 440iQ in June and October 2026, delivered over the air. No independent report on update behavior for the 420 iQ was found as of November 2026.

Support longevity10% of the score70

Evidence

Scored as commitments: Husqvarna's US page states a 4-year warranty, firmware over the air, a US support hotline and a reference station for areas without cloud correction.

Ownership burden20% of the score66What it asks of you.

Routine maintenancenot countedno source verified70

Evidence

Lawn mowers: Husqvarna says blades change in minutes and the body is hose-washable, with stay-out zones and work areas set in the app. No independent account of 420 iQ upkeep was found as of November 2026.

Consumables8% of the score66

Evidence

Husqvarna includes 6 extra blades and a year of blades for its 3 pivoting razor blade system; no replacement part price was verified.

middle half of the databaseits medianthis robot

Reported, not scoredneither measures how well the robot works

Five-year costNot costed

$3,299.99 at Husqvarna US; one report put it at $2,599.99 at Amazon in Mar 2026 against a listed $3,500, and another the same $2,599.99 in May 2026. Blade prices are unverified, so no five-year figure is stated.

Data postureCloud-linked

Account required. Maps and telemetry leave the home; core function survives an outage.

What leaves the homeDocumented

Husqvarna lists cellular, Wi-Fi and Bluetooth connectivity, GPS theft tracking and geofencing, with radar rather than a listed camera. Husqvarna Group says it manages customer data under EU consumer privacy rules; what map or location data is stored was not verified.

Read the full methodology →

FIT CHECK

Will the Husqvarna Automower 420 iQ work on your yard?

Describe your yard using the controls. Each choice reads the spec sheet for you, flagging where the Husqvarna Automower 420 iQ is built for your space and where it isn’t.

Yard size

Terrain

Grass type

Boundary setup

See every robot mower suited to these conditions

A classification of fit for the conditions you set, not a recommendation. Verdicts describe engineering design intent, not test results.

OWNERSHIP

Living with it.

No independent reliability record found for this model.

Unprovenowner-reported arc

The record so far

Coverage found is Husqvarna's product page and FCC release plus several roundup and deal-post listings; no 420 iQ failure data was read.

Upkeep routine

Seasonal4×/yr

Update schedules and cutting heights as grass growth changes.

When duewhen worn or full

Replace the three pivoting razor ; Husqvarna includes a year of blades and 6 extras.Typical for robot mowers: seasonally

Hose-wash the body, which Husqvarna describes as hose-washable.

Adjust work areas, stay-out zones and transport paths in the Automower Connect app.

Install firmware over the air through the app.

Cost over time

$3,299 to buy. Ongoing running cost for this model hasn’t been assessed yet.

Safety notes2 notes

Radar, no camera listedHusqvarna describes onboard radar with virtual boundaries; no independent obstacle test of the 420 iQ was found.
PIN, lift sensor and alarmHusqvarna lists PIN code protection, a lift sensor and an anti-theft alarm with GPS tracking.

SPECIFICATION

The full spec sheet.

Priced above the category median, with every figure charted against the category below.

Dimensional drawing

Key specificationsManufacturer-publishedSources: Product page

FootprintThe width, depth and height of the robot itself, without its dock.: 21.4 × 29.6 in, 11.1 in tall
WeightThe robot alone, without its dock, as the maker states it.: 38 lbs
BatteryStored energy in watt-hours; a larger pack runs longer, not harder.: 90 Wh · Li-ion•
Wi-FiThe bands the robot can join; many models need a 2.4 GHz network to set up.: Supported
Cutting width: 9.4 in
Cutting height range: 1-4 in (electric adjustment)
Blade system: 3 pivoting razor blades
Ingress protection: IPX5
Warranty: 4 years

Where it lands · position among 133 robot lawn mowersThis robotMedianTypical range

RuntimeThe maker's stated running time on one charge, at a standard setting.84min

30 min240 min

Near median

PriceThe maker's list price, not a price found in a shop.$3,299.99

$549$5,999

Above median

NoiseLoudness at the maker's stated distance, in decibels; ten more decibels reads as about twice as loud.62dB

50 dB75 dB

Near median

Charge timeTime from empty to full on the dock, as the maker states it.54min

30 min300 min

Bottom of range

WeightThe robot alone, without its dock, as the maker states it.38lbs

13 lbs88.2 lbs

Near median

Position shows where the figure sits across the tracked category, not a quality judgment.

Official referencesProduct page

RECORD

How the assessment has moved.

Every announcement, release and reassessment behind the current classification.

Coming soon

Just launched

Active updates

Settled

Discontinued

Nov 2026 · AssessmentReadiness assessed as Ready Now
Nov 2026 · AssessmentRobovations Score recorded at 67 of 100
Sep 2026 · AssessmentRecord status set to Pending
Mar 2025 · AnnouncementHusqvarna unveils Automower 420 iQ in its wire-free iQ series, March 2025

Editorial comparisons

How Husqvarna Automower 420 iQ compares.

All comparisons →

Goal-based

On the level strip of lawn at the foot of a steep front-yard bank, the white Mammotion LUBA 3 AWD stands nose to the slope on its four driven wheels while the dark Husqvarna 420 iQ mows the flat grass by the sidewalk.

Robot Lawn Mowers2 robots

Which robot mower handles sloped yards? Drivetrain and traction tradeoffs.

Steep yards demand traction over speed. This comparison evaluates AWD mowers against 2WD and single-wheel alternatives, covering slope capacity, tire grip, and rollover protection across four established models.

vs Mammotion LUBA 3 AWD 5000

Tech shift

Down a lawn along a brick garden wall, the MOVA LiDAX mower works the shaded strip at the wall's foot while the Husqvarna Automower and the Segway Navimow mow the sunlit open lawn, a satellite antenna on a pole by the far bed.

Robot Lawn Mowers3 robots

Laser or satellite: how do wire-free mowers find their place?

Mammotion Yuka 2000, Dreame Roboticmower A1, and EcoFlow Blade represent a shift toward camera-based navigation. This comparison examines whether vision systems close the gap with RTK-equipped mowers.

vs MOVA LiDAX Pro 800 · Segway Navimow i105N

Questions

What people actually ask.

5 answered

OperationDoes the Automower 420 iQ need a boundary wire?

No. Husqvarna says it installs wire-free using EPOS virtual boundaries mapped in the app, and its spec table also lists physical wire as a boundary option.

CompatibilityDoes the 420 iQ need Wi-Fi across the whole yard?

No. Husqvarna says it connects over cellular to Husqvarna Cloud or uses the included reference station; Wi-Fi speeds up firmware updates.

OperationHow large a lawn is the 420 iQ rated for?

Husqvarna rates it for 1 acre, within 20%, with systematic mowing, and 0.5 acre on irregular lawns.

OperationIs the 420 iQ affected by the FCC foreign robot ruling?

Husqvarna’s 11 Sep 2026 release says its already approved models on the US market are exempt from the FCC Covered List. The 420V iQ it names is a separate platform expected in 2027.

OperationHow does the 420 iQ differ from the 410 iQ?

Husqvarna’s spec tables list the same body, cut and slope ratings; the 420 iQ is rated for 1 acre against 0.5 acre, with a 54-minute typical charge against 108 minutes.

Availability

Where it's sold

Some links earn Robovations a commission. It does not change any classification. Affiliate disclosure.

Amazon See current listings

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Reference the Husqvarna Automower 420 iQ classification.

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Robovations. "Husqvarna Automower 420 iQ: Autonomy Level IV (Environmental Autonomy)." Autonomy Ladder™, assessed November 2026. https://robovations.com/robots/husqvarna-automower-420-iq/

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Where to next

Three ways to keep going.

For evaluators

Compare with a peer.

See the Husqvarna Automower 420 iQ and Dreame A3 AWD Pro 5000 side by side: autonomy level, Robovations Score, readiness, and price. Classification, not a verdict.

See the full comparison

Or compare with Husqvarna Automower 440 iQ, Husqvarna Automower 405VE NERA, Segway Navimow H2.

For browsers

See every Level IV.

Every robot we’ve classified at environmental autonomy. Sorted by readiness, score, and price. Filter by category, manufacturer, or release date.

Browse every Level IV robot

Updated weekly with new entries and reclassifications.

Husqvarna Automower 420 iQ

Will the Husqvarna Automower 420 iQ work on your yard?

Living with it.

The full spec sheet.

How the assessment has moved.

How Husqvarna Automower 420 iQ compares.

Which robot mower handles sloped yards? Drivetrain and traction tradeoffs.

Laser or satellite: how do wire-free mowers find their place?

What people actually ask.