How many fit
Only 6 of the 56 models checked meet every need here: “My grass has to be cut higher than three inches”, “Long steep slopes run across the lawn”, and “About half an acre is what I need to cover”.
6 models fit, out of 56 checkedPicked for one job
Top pick

The Mammotion LUBA 3 AWD 3000H cuts up to four inches and brings strong hill capability. The LUBA mini 2 1500H gives a smaller lawn the same upper setting.
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Models that can cut as high as four inches for taller turf programs.
By the numbers
What we found across the robotic lawn mowers we compare, plus the checked facts behind each finding.
Only 6 of the 56 models checked meet every need here: “My grass has to be cut higher than three inches”, “Long steep slopes run across the lawn”, and “About half an acre is what I need to cover”.
6 models fit, out of 56 checkedMammotion LUBA 3 AWD 3000H lists 0.75 acre for listed lawn-area rating, 50% above the 0.5 acre median.
How we countedThe count uses each product's current fit ratings for “My grass has to be cut higher than three inches”, “Long steep slopes run across the lawn”, and “About half an acre is what I need to cover”. A need with no documented match is not counted.
How we calculatedFigures are the lawn area the maker rates it for. Slopes, layout, obstacles and how often it mows can shrink the area it really covers. The median draws on the 47 of 56 models that publish comparable figures.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| Mammotion LUBA 3 AWD 3000H |
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| Mammotion LUBA mini 2 AWD 1500H |
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| Segway Navimow X430 |
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3 options

Mammotion, LUBA 3 AWD 3000H
This all-wheel-drive, high-cut mower is aimed at three-quarter-acre lawns that have hills, trees and many zones.
Top pick ifA steep lawn with a complicated layout and taller grass
In narrow passages, its broad dual-disc body needs more room than a compact mower would.

Mammotion, LUBA mini 2 AWD 1500H
Roughly a third of an acre is what this compact high-cut AWD mower can handle, using LiDAR and cameras.
Best forTaller turf in a small, hilly yard
A genuine half-acre lawn would leave little reserve against its 0.37-acre rating.

Segway, X430
This one-acre Navimow drives all four wheels and offers a wide cut-height range, which suits demanding terrain.
Best forSteep transitions and turf kept at different heights across one acre
A small, flat lawn gives you little reason to carry its capability and footprint.
Ready to buy
Top pick for this job

Verified maximum cut
See price & reviews on AmazonPick this instead if

Taller turf in a small, hilly yard
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