Husqvarna Automower 420 iQ
Husqvarna says the Automower 420 iQ is rated for lawns up to 43,560 sq ft and handles slopes up to 45%.
Maker’s list price: $3,300.
| Limit | Maker figure | Source |
|---|---|---|
| Lawn, up to | 43,560 sq ft | husqvarna.com |
| Slope, up to | 45% | husqvarna.com |
| Navigation | RTK | husqvarna.com |
| Zones | yes | husqvarna.com |
On our guides
- Half acre, no wire: clears the published limits
- Small yard: clears the published limits
Maker figures, not our tests. Method.
Amazon listing
No Amazon listing for the Husqvarna Automower 420 iQ itself. Not linked:
- Renewed or used: Husqvarna Automower® iQ Series 420 iQ, Robot Lawn Mower, GPS Robotic Mower | Robot mower with EPOS®
- A different model: Husqvarna 410iQ ½ Acre Wire-Free, 45% Slope, app Based, Robot Lawn Mower | Wire-free robot mower wit
More limits Husqvarna publishes
| Limit | Maker figure | Read from |
|---|---|---|
| Cut width | 9.4 in | husqvarna.com |
| Warranty | 4 years | husqvarna.com |
| Runtime | 84 min | husqvarna.com |
| Charge time | 54 min | husqvarna.com |
| Cut height, from | 1 in | husqvarna.com |
| Cut height, to | 4 in | husqvarna.com |
| Anti-theft | yes | husqvarna.com |
| Rain sensor | yes | husqvarna.com |
| Noise | 62 dB | husqvarna.com |
| Obstacles | ultrasonic | husqvarna.com |
| Boundary wire in the box | no | husqvarna.com |
Recall check (US and Canada): none found, November 2, 2026. Husqvarna has 1 other robot recall on file, for different models: Husqvarna Automower 435X AWD and 535 AWD.
Living with it
- Consumables
- Husqvarna recommends replacing the Automower's cutting blades roughly every two months for the best mowing results and lowest energy use. husqvarna.com
- Subscription
- Automower Connect's cellular data connectivity comes with a 10-year contract already built in, so owners are not charged an ongoing subscription fee to use the connected app. husqvarna.com
- Set-up
- Setting up the 420 iQ's EPOS navigation requires placing the charging station's docking point where it has an unimpeded view of the sky, since Husqvarna says weak satellite coverage there will not be compensated for. husqvarna.com
- Noise
- Husqvarna lists the Automower 420 iQ's perceived sound level at 62 dB(A). husqvarna.com
- Warranty
- Husqvarna backs the Automower 420 iQ with a 4-Year Warranty and says it is guaranteed to perform season after season and year after year. husqvarna.com
- Off-season storage
- Husqvarna advises storing the robotic mower and its charging station indoors somewhere dry and above freezing temperature over winter. husqvarna.com
- Safety
- The 420 iQ includes an anti-theft alarm, and if the mower is taken, owners can instantly track its location by GPS. husqvarna.com
- Camera and data
- Husqvarna's privacy policy states that the company does not sell or share the precise geolocation data collected from connected products such as the Automower. husqvarna.com
What independent testers found
Named testers’ published figures, not ours.
| What | Finding | Tester |
|---|---|---|
| Runtime | 84 minutes of mowing per charge with a 54-minute recharge (the maker's figure the tester quoted: Husqvarna states 84 min on the maker's spec page) | MowerBotLab |
| Noise | 62 dB(A) operating noise (the maker's figure the tester quoted: Husqvarna states 62 dB(A) on the maker's spec page) | MowerBotLab |
| Slope handled | 45% max slope inside the mowing area, but only 15% right at the boundary edge | MowerBotLab |
| Noted | Reviewer rates real-world coverage at about 0.5 acre on complex lawns, rising to 1 acre on open, simple layouts | MowerBotLab |
- Bob Vila's roundup of robotic mower brands picks Husqvarna, pointing to its long record as a maker of reliable yard equipment. Bob Vila (Timothy Dale)
- MowerBotLab recommends the 420 iQ for buyers who want Husqvarna's reliability and dealer network without trenching a wire, but steers budget-conscious shoppers to a cheaper wire-free rival instead. MowerBotLab
Other Husqvarna models we track: Automower 410 iQ, Automower 435iQ AWD.