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Stihl RMI 632 review

3000sqm lawn size (max). Priced at $3199.

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CHOICE Expert Rating

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CHOICE Expert Rating

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.

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Good points

The product's best features and benefits

Bad points

Drawbacks or issues you need to know about
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Recommended View more details.

We recommend robot lawnmowers with a CHOICE Expert Rating of 80% or more.

CHOICE Expert Rating View more details.

The overall score is made up of performance (60%), convenience (20%), noise (10%), instructions (5%) and construction (5%).

Performance score View more details.

Performance is broken down into standard lawn (50%), damp grass (10%), long grass (10%), uneven lawn (10%), sloping lawn (10%) and battery efficiency (10%).

Standard lawn score View more details.

We test on what we define as a standard lawn (200sqm) of 40–50mm long grass which is tested over a four-week period. 

Damp grass score View more details.

Our testers use the mowers after heavy dew or a light shower so that the grass is uniformly damp.

Long grass score View more details.

Our test lawn is grown to 100mm to determine how well the mowers handle long grass.

Uneven lawn score View more details.

How well the robot lawnmower copes with an uneven lawn terrain.

Sloping lawn score View more details.

How well the mower copes with a sloping lawn.

Battery efficiency score View more details.

How well the battery performs, including charging time, average use time and whether the mower automatically returns to its charging station.

Convenience score View more details.

Convenience is broken down into installing and using (70%), and the app (30%). Where there is no app, only installing is taken into account.

Installing and using score View more details.

Installing and using the robot mower includes the following elements: mounting base station, setting perimeter cable, using manual programming, using auto programming, using the remote control, setting cutting height, ease of lifting and carrying robot, cleaning/hosing, and ease of removing and refitting the blade.

App score View more details.

Where there is an available app, we assess programming the mower, use as a remote control, surveillance of the mower and safety block or similar features.

Noise score View more details.

Noise is broken down into operation noise measured (50%) and subjective evaluation at 10m from mower (50%).

Instructions score View more details.

This score is broken down into whether the mower comes with safety and operating instructions, general information, technical data, instructions for use, setup and programming, maintenance and servicing instructions.

Construction score View more details.

This score is based on how solid the construction feels.

Safety score View more details.

Does the robot stop when the user gets close to it? Is it possible to touch the mower when it's in use? Is it possible to pick up the mower when it's in use? If so, will the blades stop immediately? Do the blades stop automatically? If not, after how many seconds?


Sound level (dB) View more details.

Measured sound level in decibels.

Price View more details.

Recommended or typical retail price at the time of publication.

$3199
Maximum lawn size (sqm) View more details.

This is the recommended maximum lawn size in square metres, as claimed by the manufacturer.

3000
Maximum incline View more details.

The steepest incline that the mower will be able to handle before it won't be able to climb up to cut the grass.

45%
Rated cutting width (cm) View more details.

Rated cutting width, in centimetres, according to the manufacturer.

28
Battery type
29V Li-ion
Battery capacity (Ah) View more details.

Battery capacity measured in Amp-hours.

2.9
Average charging time (min) View more details.

Charging time we found after using the mower on our standard test lawn.

60
Mower dimensions (cm, L x W x H)
73 x 54 x 27
Mower weight (kg)
13.5
Base station dimensions (L x W x H, cm)
88 x 58 x 30
Base station weight (kg)
3.1
Warranty View more details.

Claimed warranty from manufacturer websites

4 years
Automatically recharges View more details.

Does the mower return automatically to recharge?

Yes
Alarm View more details.

Whether an alarm sounds if the unit is picked up.

Yes
Rain sensor View more details.

This lets you choose which weather you want the robot mower to work in.

Yes
Security code View more details.

Whether you can program a security code to operate the mower.

Yes
Handle View more details.


Yes
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