What it does well
- Wire-free GPS-RTK + camera at an entry price
- Very quiet, 57 dB(A); frost sensor, SensorControl
- Built-in SIM with lifetime connectivity
What to watch for
- Daylight-only operation; needs GNSS + Wi-Fi/mobile coverage
- Small 16 cm cut width and 25% slope limit; docking can drift (drohnen.de)
Sources, checked for this page. Some figures here could not be confirmed from the maker and may change:
- gardena.com/int/products/lawn-care/robotic-lawnmowers/robotic-mower-smart-sileno
- gardena.com/de/produkte/rasenpflege/maehroboter/maehroboter-smart-sileno-sense-6
- media-gardena.com/news-the-intelligent-robotic-lawnmower-for-precise-lawn-care?i
- drohnen.de/81044/gardena-smart-sileno-sense-im-test-2026-400-600-m%C2%B2-ohne-ka
- On sale
- 2026
- Price
- $1,188 (EU/UK only (not sold in US); DE/NL/BE MSRP €1,099.99 converted)
- Rated lawn size
- 6,500 sq ft (0.15 acre)
- Steepest slope
- 25%
- Navigation
- RTK + Vision
- Boundary wire
- Not needed
- Drive
- Two-wheel drive
- Cutting width
- 6.3 in
- Cutting height
- 1 to 1.8 in
- Noise
- 57 dB(A)
- Battery
- not published; ~80 min charge
- Mowing per charge
- n/a
- Obstacle avoidance
- AI vision camera object detection (images processed on-device)
- Edges
- Trim-to-Edge (rear cutting unit swings out)
- Several zones
- No
- Anti-theft
- PIN code (no alarm per drohnen.de test)
- Connectivity
- Wi-Fi, Cellular (built-in SIM, lifetime)
- Rain sensor
- n/a
Closest rivals on size and price
| AnthbotM9New | $899 | 0.25 ac | 45% | 58 dB |
|---|---|---|---|---|
| Segway Navimowi206 AWDNew | $999 | 0.15 ac | 45% | 59 dB |
| Gardenasmart SILENO sense 600NewEU/UK | $1,188 | 0.15 ac | 25% | 57 dB |
| MammotionYUKA mini 2 1000HNew | $1,399 | 0.25 ac | 45% | 57 dB |
| Ecovacs GOATO1000 LiDAR ProNew | $1,500 | 0.25 ac | 45% | 61 dB |
| SunseekerS4New | $1,799 | 0.25 ac | 42% | 60 dB |