Gardena Sileno City
Quiet boundary-wire robotic mower for small urban lawns, handling narrow passages from 60 cm and slopes up to 35%, with frost and rain sensors.
Excellent robot mower (83/100). It stands out most for quietness (88/100). Highlight: very quiet. Main trade-off: small area.
Score breakdown
Rated across 6 criteria
Specifications
- Coverage
- 500 m²
- Max slope
- 35 %
- Cut height
- 20-50 mm
- Runtime
- 65 min
- Navigation
- Boundary wire
- Noise
- 57 dB
Pros
- Very quiet
- Great for small lawns
- Weatherproof
Cons
- Small area
- Boundary wire
Owner reviews
A top-tier robot mower we recommend without hesitation
In our independent assessment, the Gardena Sileno City earns 83/100 — an excellent robot mower.
Its strongest area is quietness (88/100), followed by slope handling (76/100). In practice, very quiet.
The main caveat is run time, where it scores 60/100. Specifically, small area.
At €659, it sits below the typical price for the category — strong value. For most buyers in this category, it's one of the best choices you can make.
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Sign in to write a reviewFrequently asked questions
Do I need to install a boundary wire?
Older mowers use a perimeter wire; newer wire-free models use RTK-GPS and/or vision to map the lawn — check the navigation spec above.
Can it handle slopes?
Yes, up to the max-slope rating shown. All-wheel-drive models climb the steepest inclines; standard models handle gentler grades.
Is it safe around kids and pets?
Robot mowers have lift/tilt sensors and bumper stops that halt the blades instantly, plus PIN locks and theft alarms.
How big a lawn can it mow?
See the coverage spec. Most models cover their rated area on a single charge, then return to the dock to recharge and resume.
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