Best Boundary wire
The proven system: a perimeter wire installed once, then years of quiet reliability, even under trees.
Most proven platform
8.9 Husqvarna Automower 430X
Husqvarna
The mower that defined the category — boundary wire takes a weekend to install, then it quietly runs for years.
Max lawn0.8 acre
Max slope45%
Cut width9.4 in
Best value
8.4 Worx Landroid M WR147
Worx
The sensible entry point: shared 20V battery ecosystem, cut-to-edge deck, and accessories sold a la carte.
Max lawn0.25 acre
Max slope35%
Cut width8 in
Best for small yards
8.1 Gardena Sileno City 250
Gardena
Whisper-quiet and genuinely cheap to run — the right answer for tidy urban lawns under a quarter acre.
Max lawn0.06 acre
Max slope35%
Cut width6.3 in