Robot lawn mowers
Husqvarna Automower 420iQ Specs: 1 Acre Rating, 45% Slope
Quick answer
The Husqvarna Automower 420iQ Robot Mower is rated for up to 43,560 square feet, about 1 acres, and slopes up to 45 percent (about 24.2 degrees), using RTK navigation. Most owners size a robot mower to 70 to 80 percent of its rated area for margin. It listed at $1,841.66 when this page was compiled.
On this page
- What are the Husqvarna Automower 420iQ Robot Mower specs?
- What is the Husqvarna Automower 420iQ Robot Mower sized for?
- What features does Husqvarna list?
- Who is the Husqvarna Automower 420iQ Robot Mower a good fit for?
- What are the alternatives to the Husqvarna Automower 420iQ Robot Mower?
- How do they compare on specs?
What are the Husqvarna Automower 420iQ Robot Mower specs?
| Spec | Value |
|---|---|
| Rated area | 43,560 sq ft |
| Max slope | 45% |
| Min cut height | 1 in |
| Max cut height | 4 in |
| Boundary | rtk |
| App control | Yes |
From Husqvarna's published specifications and the product listing.
What is the Husqvarna Automower 420iQ Robot Mower sized for?
| Lawn size | Square feet | Share of rated area | Fit |
|---|---|---|---|
| 0.1 acres | 4,356 | 10% | Comfortable |
| 0.25 acres | 10,890 | 25% | Comfortable |
| 0.5 acres | 21,780 | 50% | Comfortable |
| 0.75 acres | 32,670 | 75% | Comfortable |
| 1 acre | 43,560 | 100% | At the limit |
| 1.5 acres | 65,340 | 150% | Too large |
| 2 acres | 87,120 | 200% | Too large |
Rated area assumes the manufacturer's daily run schedule on a simple lawn. Narrow passages, many zones and fast spring growth reduce real coverage.
What features does Husqvarna list?
Husqvarna lists these features for the Husqvarna Automower 420iQ Robot Mower:
- Automower - #1 Selling Robotic Mower*: From Husqvarna, the world leader in robotic mowing,* Automower iQ Series robotic lawn mowers are designed specifically for American lawns, navigating slopes and landscaping without tearing grass or leaving tracks
- Reliable Mowing Performance: This automatic lawn mower robot GPS enhanced product features Exact Positioning Operating System (EPOS) to deliver centimeter-accurate location data in the yard. The onboard radar helps mower avoid obstacles
- Wire-Free Installation: Use smartphone app to drive the robot lawn mower around lawn, creating virtual map with mowing areas and stay-out zones. For mens gifts ideas, consider this automatic mower
- Widest Adjustable Cut Height Range (1-4")**: The 420iQ can navigate slopes of up to 45% with up to 1 acre mowing capacity. This robot mower provides automated lawn care and is well suited for Father's Day gifts for dad
- Intelligently Engineered: Features larger wheels and a durable bumper, designed to cross paths, driveways and other varied surfaces with ease; hose-washable for easy clean-up when mowing is complete. Consider this robotic lawnmower as a gift for men
- Complete Control via App: Easily change your cutting height, adjust the mowing schedule, change the mowing pattern (random, striped, checkerboard), download software updates, and more. Gifts for men made easy with this smart lawn mower
- Built-in Peace of Mind: This robot lawnmower includes an anti-theft alarm and if taken, instantly track mower's GPS location via Connect app - backed by 4-year warranty***
- Multiple Installation Resources: Installation support for this robo lawn mower is available - check out the Welcome Guide and how-to videos or access our US-based customer support hotline (833-991-ROBO(7626))
Who is the Husqvarna Automower 420iQ Robot Mower a good fit for?
Best for Lawns up to 1 acre. The same wire-free EPOS system and 1 to 4 inch cut range as the 410iQ, rated for up to 1 acre on 45% slopes. It sits in the Intermediate tier of our robot lawn mowers coverage. See how it ranks against the rest in the best robot lawn mowers. For owner-report themes, drawbacks and alternatives, read the full Husqvarna Automower 420iQ Robot Mower review.
What are the alternatives to the Husqvarna Automower 420iQ Robot Mower?
Husqvarna Automower 410iQ Robot Mower
$1,829.99EPOS positioning replaces boundary wire, onboard radar helps avoid obstacles, and it handles 45% slopes up to 1/2 acre with a 4-year warranty.
Best for: Half-acre lawns
Check price on Amazon
Mammotion LUBA 2 AWD 3000X Robot Mower
$1,998.00Four-wheel drive climbs 80% slopes, RTK plus AI vision handles mapping and edge cutting, and a 15.8-inch dual-blade disc covers up to 0.75 acre, with 4G tracking.
Best for: Sloped lawns up to 3/4 acre
Check price on Amazon
WORX Landroid Vision Cloud WR342 4WD Robot Mower
$2,069.99Cloud RTK needs no local antenna, 4WD climbs slopes up to 84%, and the Cut-to-Zero offset blade trims closer to borders, rated for 1/2 acre.
Best for: Hilly half-acre yards
Check price on AmazonHow do they compare on specs?
| Model | Price | Rated area | Max slope | Boundary | App control | Min cut height | Max cut height |
|---|---|---|---|---|---|---|---|
 Husqvarna Automower 420iQ Robot Mower | $1,841.66 | 43,560 sq ft | 45% | rtk | Yes | 1 in | 4 in |
| Husqvarna Automower 410iQ Robot Mower | $1,829.99 | 21,780 sq ft | 45% | rtk | Yes | 1 in | 4 in |
| Mammotion LUBA 2 AWD 3000X Robot Mower | $1,998.00 | 32,670 sq ft | 80% | rtk+vision | Yes | - | - |
| WORX Landroid Vision Cloud WR342 4WD Robot Mower | $2,069.99 | 21,780 sq ft | 84% | rtk+vision | Yes | - | - |
Frequently asked questions
How big a lawn can the Husqvarna Automower 420iQ Robot Mower handle?
The manufacturer rates the Husqvarna Automower 420iQ Robot Mower for 43,560 square feet, about 1 acres. For a lawn with narrow passages or several separate zones, plan for roughly 70 to 80 percent of that figure so the mower keeps up during peak growth.
Where do these Husqvarna Automower 420iQ Robot Mower specs come from?
The figures on this page come from Husqvarna's published specifications and the product listing's own feature list. Sizing tables are our estimates from standard formulas, not measurements of a unit, and real results vary with conditions. Confirm details against the operator manual before you buy or use it.
Researched, not professional advice. This page is compiled from published specifications, manuals, labels and owner-review consensus, not hands-on testing. Follow the manufacturer's instructions and product label, and consult a qualified professional where safety, chemicals, fuel or structures are involved. As an Amazon Associate we earn from qualifying purchases.