Mower profileVerified data
STIHL RMI 422 PC robot lawn mower
STIHL · MowCompass fit profile

STIHL RMI 422 PC

Connected RMI 422 variant for up to 1,700 m², adding app, cellular and GPS-based theft/location features.

recommended lawn1,700 m²
max slope40%
driveRWD
navigationBoundary wire
Check if this mower fits my lawn Where to buy
Fit guidance is based on technical data, not commission.
Fit snapshot

What to know before you buy

The strongest fit signals — and the things worth checking against your own lawn.

Strong fit for

Where this mower fits best

  • Larger lawns, with recommended coverage up to 1,700 m².
  • Steeper properties, based on a stated maximum slope of 40%.
  • Gardens that need multi-zone mowing support.
Check first

Potential limitations

  • Requires a boundary wire, so it is a weaker fit if you want a fully wire-free installation.
  • Its terrain rating is moderate, so very uneven or rough ground should be checked separately.
  • Obstacle avoidance is rated basic, so gardens with many small or frequently changing objects deserve extra attention.
  • Separated zones may require manually carrying the mower between areas.

Closest alternatives if a limitation rules it out

Scored by the MowCompass Finder

How it scores in four typical gardens

The same fit engine you can run for your own lawn. Scores reflect suitability only, never price or commission.

Good fit72/100

Small, simple lawn

400 m², flat, open

Much more capacity than this garden needs.

Strong fit94/100

Family garden

1,000 m², gentle slopes, some trees

Its terrain rating is weaker than this garden’s ground demands.

Not suitable

Large, steep lawn

1,500 m², 45% slope, rough ground

Rated for 40% slope; this garden needs about 45%.

Check first

Complex garden

800 m², 3 separate areas, 60 cm passages, many trees

Support for separate lawn areas has not been verified yet.

Score it for your own lawn
Verified specifications

Specifications by category

Verified product data, grouped so the details that matter are easier to scan.

Lawn & terrain

Recommended lawn area1,700 m²
Maximum slope40%
Maximum boundary slope27%
Drive typeRWD
Terrain ratingModerate
Multi-zone supportYes

Navigation & obstacle handling

Boundary setupWire required
NavigationBoundary wire
Navigation obstruction toleranceVery obstruction tolerant
Obstacle avoidanceBasic
Small-object detectionNo

Cutting system

Cutting width200 mm
Mowing time per charge80 min
Cutting height20–60 mm
Cutting-height adjustmentManual
Cutting patternRandom
Edge cuttingBasic

Connectivity & security

Wi‑FiNo
BluetoothNo
GPS trackingYes
CellularYes
Cellular subscription requiredNo
GeofenceYes
PIN protectionYes
App controliOS + Android

Physical details & ownership

Dimensions (L × W × H)600 × 430 × 270 mm
Weight10 kg
Noise level60 dB
Rain sensorYes
Weather adaptationYes
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Where to buy

Where to buy STIHL RMI 422 PC

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Specification dataLast verified: October 3, 2026Maintained from verified manufacturer and product information.

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