Head to head
Husqvarna Automower 420 iQ vs Segway Navimow X4
Price, coverage, slope, navigation, and drive for Husqvarna Automower 420 iQ and Segway Navimow X4, side by side and cited.
- Store prices · checked 6 h agoVerified · checked 6 wk ago
2compared
4,047 m² (1 acre)largest lawn
Husqvarna Automower 420 iQ (Automower 420 iQ)·Segway Navimow X4 (Navimow X430)
Your lawn
Set your lawn to see which of these fits it.
Drive
2-wheel drive
All-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. Tri-frequency Network RTK fused with 360° camera SLAM and VIO, with no antenna required where network coverage exists (a GNSS antenna is included). All-wheel drive.
Cutting
23.9 cm (9.4 in) cut, 25 to 100 mm (1.0 to 3.9 in) height, about 62 dB
43.2 cm (17.0 in) cut, 19 to 102 mm (0.7 to 4.0 in) height, about 68 dB
Rain
Mows in the rain (rated IPX5); no weather pause
Rain sensor plus weather-forecast adaptation; heads home when conditions worsen
Anti-theft
GPS theft tracking, PIN lock, anti-theft alarm, and geofence via Automower Connect
GPS tracking, out-of-boundary and lift alarms, Apple Find My (locatable even powered off), Proximity Unlock and PIN code
Connectivity
Cellular, WiFi, Bluetooth
Bluetooth, Wi-Fi and 4G (1 year free on the X430, 2 on the X450, then $32.90 a year); Alexa and Google Home
Released
2025
2026
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 buySegway Navimow X4
For most lawns, the Segway Navimow X4 is the better buy at $2,499: it covers up to 4,047 m² (1 acre), about $801 less than the Husqvarna Automower 420 iQ.
From $2,499The bottom line
What actually differs
- Segway Navimow X4 has the lower price ($2,499).
- Segway Navimow X4 handles the steepest slopes (up to 84%).
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.