Head to head
Segway Navimow H2 vs Sunseeker S4
Price, coverage, slope, navigation, and drive for Segway Navimow H2 and Sunseeker S4, side by side and cited.
- Store prices · checked 24 min agoVerified · checked 5 wk ago
2compared
1,012 m² (0.25 acre)largest lawn
Segway Navimow H2 (Navimow H210)·Sunseeker S4 (Sunseeker S4)
Your lawn
Set your lawn to see which of these fits it.
Drive
2-wheel drive
2-wheel drive
Obstacle avoidance
Navigation
Wire-free. Solid-state LiDAR fused with Network RTK and a camera (EFLS Tri-fusion), no antenna and no perimeter wire.
Wire-free. A 360° 3D LiDAR fused with an AI camera (L-SLAM plus V-SLAM), no RTK antenna, base station or perimeter wire.
Cutting
22 cm (8.7 in) cut, 20 to 102 mm (0.8 to 4.0 in) height, about 60 dB
18 cm (7.1 in) cut, 41 to 81 mm (1.6 to 3.2 in) height, about 60 dB
Rain
Rain sensor plus weather-forecast adaptation; returns to the station when rain is detected
Rain sensor sends it back to the dock (the LiDAR cannot measure in rain or fog); IPX6
Anti-theft
Geofence alert, lift alarm, GPS tracking, Apple Find My, Proximity Unlock and PIN code, active even offline
PIN code and lift and tilt sensor; a 4G-GPS anti-theft module is optional
Connectivity
Bluetooth, Wi-Fi and 4G (1 year free, then $32.90 a year); Alexa and Google Home
Wi-Fi and Bluetooth; optional 4G module; Alexa and Google Home; over-the-air updates
Released
2026
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 buySunseeker S4
For most lawns, the Sunseeker S4 is the better buy at $999.99: it covers up to 1,000 m² (0.25 acre), about $799 less than the Segway Navimow H2. Step up to the Segway Navimow H2 only if your lawn is larger than 1,000 m² (0.25 acre) or steeper than 42%.
From $999.99The bottom line
What actually differs
- Sunseeker S4 has the lower price ($999.99).
- Segway Navimow H2 covers the most lawn (1,012 m² (0.25 acre)).
- Segway Navimow H2 handles the steepest slopes (up to 45%).
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.