Sign up to unlock the full expert review
The Stihl RMI 422 has larger wheels than most other robot lawn mowers, with a tread pattern to make sure it can handle cutting the grass on sloping and uneven lawns. We put it to the test in our gruelling tests to see if it can handle whatever challenging terrain your garden might have. Read our full review to see how It fared.
pros
cons
What's included?
- What is it?
- What’s it great at?
- Is there anything I should look out for?
- Is there anything else I should know?
- Should I buy it?
| Grass cutting ability | |
|---|---|
| Mowing around obstacles | |
| Ease of use |
- Sept 2021Last checked by Which?
- Aug 2020First reviewed by Which?
- Jan 2019Released
