Image coming soon
- Price
- $1,499.99
- Area
- 1,012 m²
- Slope
- 45%
- Navigation
- LiDAR
Navigation and coverage8.7
Rated area: 1,012 m² (0.25 acre)
Image coming soon
Sunseeker · 2026
Sunseeker S4
6.5/10$1,299.99
The Sunseeker S4 is a LiDAR, wire-free robot mower rated for 1,012 m² and 42% slopes. Its strongest category is setup and app.
Specs last checked October 3, 2026.
Buy it if
- You want no perimeter wire to bury or repair.
- Your yard has trees or buildings that block satellite signal.
- You have separate front and back lawns to map as zones.
- You want it to stop mowing on its own when it rains.
Skip it if
- Nothing in the specs rules it out.
Score breakdown
Navigation and coverage25%8.7
Terrain20%4.7
Value15%4.9
Setup and app15%10.0
Owner reputation15%, neutral until owner data5.0
Security and weather10%3.5
Full specs
| Price | $1,299.99 |
|---|---|
| Rated area | 1,012 m² (0.25 acre) |
| Max slope | 42% |
| Navigation | lidar+vision |
| Boundary wire | No |
| RTK base or antenna | No |
| Drive | rear-wheel drive |
| Cutting width | 17.8 cm |
| Cutting height | Not confirmed |
| Battery | Not confirmed |
| Runtime | 90 min |
| Charge time | 80 min |
| Noise | Not confirmed |
| Multi-zone | Yes |
| Obstacle avoidance | 3D LiDAR + Vision AI |
| Anti-theft | Not confirmed |
| App | App |
| Rain sensor | Yes |
| Water rating | Not confirmed |
| Weight | Not confirmed |
| Sold in | US |
Notes: Release year inferred from CES honoree text.
Alternatives for a similar lawn
Image coming soon
Ecovacs GOAT O1000 RTK
6.5/10- Price
- $999.99
- Area
- 1,012 m²
- Slope
- 45%
- Navigation
- RTK + camera
Navigation and coverage8.7
Rated area: 1,012 m² (0.25 acre)
Image coming soon
- Price
- $1,199.99
- Area
- 1,012 m²
- Slope
- 30%
- Navigation
- RTK + camera
Navigation and coverage8.2
Rated area: 1,012 m² (0.25 acre)
Questions people ask
How big a lawn can the Sunseeker S4 mow?
The maker rates it for 1,012 m² (0.25 acre).
Can the Sunseeker S4 handle slopes?
It is rated for slopes up to 42%.
Does the Sunseeker S4 need a boundary wire?
No. It navigates by lidar.
How much does the Sunseeker S4 cost?
US list price is $1,299.99. Prices change, so check the retailer.