Head to head
Husqvarna Automower 420 iQ vs Yarbo Y40 Lawn Mower Pro
Price, coverage, slope, navigation, and drive for Husqvarna Automower 420 iQ and Yarbo Y40 Lawn Mower Pro, side by side and cited.
- Store prices · checked 6 h agoVerified · checked 6 wk ago
2compared
24,281 m² (6 acres)largest lawn
Husqvarna Automower 420 iQ (Automower 420 iQ)·Yarbo Y40 Lawn Mower Pro (Yarbo Y40 Lawn Mower Pro)
Your lawn
Set your lawn to see which of these fits it.
Drive
2-wheel drive
2-wheel drive
Obstacle avoidance
Navigation
Wire-free. EPOS RTK-GNSS satellite positioning, from Husqvarna Cloud network RTK where it covers the address or from the included EPOS reference station; a boundary wire is optional. Radar detects obstacles; no camera.
Wire-free. RTK GNSS from the included Data Center base station, or network RTK where coverage exists, with binocular cameras, ultrasonic sensors and a bumper for obstacles; rubber tracks rather than wheels. A modular yard robot: the Y40 core also takes snow-blower, blower and trimmer modules.
Cutting
23.9 cm (9.4 in) cut, 25 to 100 mm (1.0 to 3.9 in) height, about 62 dB
50 cm (19.7 in) cut, 20 to 100 mm (0.8 to 3.9 in) height, about 60 dB
Rain
Mows in the rain (rated IPX5); no weather pause
Rain detection (IPX5 on the core's spec)
Anti-theft
GPS theft tracking, PIN lock, anti-theft alarm, and geofence via Automower Connect
4G GPS tracking, geofence alerts and movement notifications (4G free for a year, then a paid plan)
Connectivity
Cellular, WiFi, Bluetooth
4G, Wi-Fi, Wi-Fi HaLow and Bluetooth
Released
2025
2025
A check marks the lower price, the higher score, the larger coverage, and the steeper slope. Our pick below is derived from those same specs; the right choice still depends on your lawn, your budget, and how you'll use it.
Our pick
Which to buy
Best buyYarbo Y40 Lawn Mower Pro
For most lawns, the Yarbo Y40 Lawn Mower Pro is the better buy at $5,499: it covers up to 24,281 m² (6 acres).
From $5,499The bottom line
What actually differs
- Husqvarna Automower 420 iQ has the lower price ($3,299.99).
- Yarbo Y40 Lawn Mower Pro covers the most lawn (24,281 m² (6 acres)).
- Yarbo Y40 Lawn Mower Pro handles the steepest slopes (up to 70%).
- Husqvarna Automower 420 iQ is out of stock at every tracked seller right now.
Go deeper
Open the full record
BestRobotMower.co is an independent informational comparison site, not a manufacturer or a retailer. Specifications and prices are curated from public sources and can change or be incomplete. Always confirm the current spec, price, and availability with the manufacturer or seller before buying. Coverage and slope figures are rated maximums on an open lawn; real performance depends on your yard.