
At Mammotion US, from $2,799checked
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An RTK GPS plus LiDAR robot mower at $3,299 with 1.25 acres, all-wheel drive, an 80% slope limit and a 3 year warranty, with no antenna.
This is the big LUBA 3 that skips the antenna. As of November 9, 2026 it is $1,300 above the typical RTK GPS plus LiDAR mower, $1,999 (median of 8 in our data), but $2,639 per acre is about 47% below the $4,997 median. Noise is 70 dB, battery runtime 215 minutes, and weight 41 lb.
Compare the Husqvarna Automower 420 iQ at $3,299.99 for 1 acre and a 45% limit, which needs an antenna but carries 4 years. The cheaper sibling is the Mammotion LUBA 2 AWD 5000HX (High) at $2,999, with the same 1.25 acres and an antenna, camera-based.
Choose it for 1 to 1.25 acres of slope with no antenna on the roof. Skip it if you are sensitive to noise, since 70 dB is loud next to the 57 to 62 dB of many rivals.
Worked out from the specs and prices on this page against the other robot lawn mowers we compare.
How it scored in each list. A longer bar is better for you.
Number 4 of 32 ranked
Number 8 of 26 ranked
Number 35 of 37 ranked
Number 1 of 12 ranked
Number 2 of 16 ranked
Each value links to the page it came from.
| Max lawn size | 1.25 acres | source, checked |
|---|---|---|
| Max slope | 80 % | source, checked |
| Navigation | RTK GPS + LiDAR | source, checked |
| No boundary wire | Yes | source, checked |
| Needs RTK antenna | No | source, checked |
| Cutting width | Not listed | |
| Cutting height | 1–2.7 in | source, checked |
| All-wheel drive | Yes | source, checked |
| Noise | 70 dB | source, checked |
| Water rating | IPX6 | source, checked |
| Weight | 41 lb | source, checked |
| Warranty | 3 years | source, checked |

At Mammotion US, from $2,799checked
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At Navimow, from $2,199checked
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At Navimow, from $1,799checked
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Can robot mowers get wet? Learn what IPX5, IPX6 and IP66 mean, then see the stated robot mower rain and water rating for each published model, with prices.
Slope ratings come in percent or degrees, and a 45 percent rating is only about 24 degrees. Measure your steepest spot and convert it before you trust a rating.
Robot mowers navigate by wire, RTK, LiDAR, cameras or a mix. Your tree cover, sky view and patience for setup decide which one fits your yard.