Robot mowers for slopes and banks
Slopes are where robot mowers get stuck. Every machine here is sold with all-wheel drive or a rated grade of 45% or more.
Every figure here is taken from the manufacturer’s published listing and measured against the rest of the group. We do not test robot mowers. Where a listing is silent on a specification, this site prints not stated rather than a plausible default.
What this group looks like
| Measure | Middle half | Median |
|---|---|---|
| Rated lawn area | 10,890 sq ft – 32,670 sq ft | 21,780 sq ft |
| Cutting width | 8.7 in – 15.7 in | 9.5 in |
| Claim density (sq ft per cm of deck) | 538 – 986 | 803 |
The middle-half column spans the 25th to 75th percentile, so it describes where most of this group sits rather than being pulled about by one unusual machine. Claim density is this site’s own figure, not a manufacturer’s: rated area divided by cutting width. It is not a quality score — it says how much lawn a machine is claimed to cover for the width it actually cuts, and a high figure means the rating leans on run time rather than on a faster cut.
Against the market as a whole this group claims more lawn per centimetre of deck than average — a median of 803 square feet per centimetre against 536 overall, a difference of 50%. That is a property of the lawn size and technology these machines are built for, not of any particular brand.
What these listings publish
Specification coverage is uneven, and knowing where it runs out is part of shopping honestly. A missing figure does not mean a worse mower — it means a less completely described one — but it does mean you cannot compare on that axis without going to the manufacturer.
| Specification | Stated | Share |
|---|---|---|
| Rated lawn area | 38 | 95% |
| Cutting width | 40 | 100% |
| Lowest cutting height | 30 | 75% |
| Boundary system | 27 | 68% |
| Rated slope | 35 | 88% |
What they cost
Bands, not prices. A price captured when the data was collected is wrong by the time you read it; the figure shown at checkout is the one that applies.
| Band | Listings | Share |
|---|---|---|
| $600–1,000 | 11 | 28% |
| $1,000–2,000 | 15 | 38% |
| $2,000–3,500 | 13 | 33% |
| Over $3,500 | 1 | 3% |
Read the percentage, not the adjective
A slope stated as a percentage is rise over run, so 45% is a little over 24 degrees and 80% is close to 39. The figure is measured on dry grass in a straight line up the fall line, which is the easiest case there is. Wet grass halves the available traction, a turn taken across the slope loads two wheels instead of four, and a bank at the very edge of the cutting area asks the machine to work at its limit while also trying to locate itself. Treat the rating as a ceiling.
All-wheel drive earns its cost here and nowhere else
On flat lawn, four driven wheels buy very little for the weight and price they add. On a bank they are the difference between mowing and winching, because they keep torque on the ground when weight transfers off the uphill wheels. This is the one category where the AWD premium is straightforwardly justified.
What a rating does not cover
No listing states performance on wet grass, and none state what happens when the mower has to turn on the slope rather than climb it. Where the manufacturer publishes only a headline grade, this site records that and nothing more.
All-wheel drive is the specification that decides this
Roughly a quarter of the mowers here have all-wheel drive, and their median stated slope capability is close to double that of the corpus as a whole. That is the clearest single split in the data on this site: if the garden has a real bank, AWD is not a refinement, it is the feature. Two-wheel-drive machines manage gentle inclines competently and lose traction on wet grass well before their rated figure.
Only half these listings state a slope figure at all
Slope capability is published on fewer than half the mowers in this corpus, which makes it one of the least-stated specifications on the site and the most consequential for this page. Where it is absent, the honest reading is that the manufacturer did not want to commit, and a mower without a stated figure should be assumed to be ordinary rather than capable. This page compares the ones that publish; it cannot rank the ones that do not.
Percent and degrees are not the same number
Slope is quoted both ways and the two are frequently confused: a forty-five per cent slope is about twenty-four degrees, not forty-five. A listing quoting a large-sounding percentage may be describing a gentler bank than a modest-sounding degree figure. Converting both to the same unit before comparing is the difference between a fair comparison and an accidental one, and the mistake usually runs in the direction of overestimating what a mower will manage.
Wet grass is the real test
Published slope ratings are measured on dry grass with good traction, and a robot mower does most of its work early in the morning on dew. The practical margin is therefore smaller than the number suggests, and the failure — a mower stuck at the bottom of a bank with wheels spinning — is one that damages the lawn as well as the schedule. Buying a machine rated well above the actual gradient is the sensible hedge, and it is the reason AWD matters on slopes that look manageable.
Before you buy
Measure the grass, not the plot
A quarter-acre lot with a house, a drive and planting on it is often well under 5,000 square feet of actual lawn. Buyers who size from the deed rather than the turf pay for coverage they will never use, and buyers who forget the side return discover the shortfall in May.
Count the sections, not just the area
A rated area assumes an open expanse. A lawn split into front, back and side sections costs travel and re-localisation time the rating never accounted for, and it is the most common reason a correctly sized mower never seems to finish. Where a garden is genuinely fragmented, size up rather than matching the rating exactly.
Treat marketing language as a claim, not a specification
Where a phrase on a listing matters to your decision, look for the number behind it: a rated grade rather than a sentence about hills, a stated cutting height rather than a description of versatility. Where this site could not find that number, it says not stated rather than inferring one.
Compare them
The finder below is already filtered to this group. Widen or narrow it from there — every result is measured against the median for its own lawn-size class.
84 robot mowers match
Lymow One Plus Robot Lawn Mower, Wire-Free RTK+Vision Navigation, 1.73 Acres Daily Coverage, 100% Slope (45°) Climbing, 1.2"-4" Cut Height, AWD All-Terrain Automatic Robotic Mower, App Control
- Navigation
- RTK + Camera
- Cutting width
- 16.0in
- Lowest cut
- 30mm
- Rated slope
- 100%
- W x D x H
- 22×29×13in
- Weight
- 22lb
Rated for
75,359sq ft
RTK · 1 acre and up · 11 robot mowers
Claim density
1,854sq ft claimed per cm of deck
0% vs the 1,854 median — typical for lawns this size
Rated area is +73% against the class median of 43,560.
Sunseeker X7 AWD Robot Lawn Mower, RTK, Vision AI, 0.75 Acre, Wire-Free
- Navigation
- RTK + Camera
- Cutting width
- 14.0in
- Lowest cut
- 20mm
- Rated slope
- not stated
- W x D x H
- 20×29×10in
- Weight
- 30lb
Rated for
32,670sq ft
RTK · 1/2 to 1 acre · 16 robot mowers
Claim density
919sq ft claimed per cm of deck
-7% vs the 986 median — typical for lawns this size
Rated area is 0% against the class median of 32,670.
Sunseeker X5 AWD Robot Lawn Mower, RTK, Vision AI, 0.5 Acre, Wire-Free
- Navigation
- RTK + Camera
- Cutting width
- 8.7in
- Lowest cut
- 41mm
- Rated slope
- not stated
- W x D x H
- 16×27×10in
- Weight
- 26lb
Rated for
21,780sq ft
RTK · 1/2 to 1 acre · 16 robot mowers
Claim density
986sq ft claimed per cm of deck
0% vs the 986 median — typical for lawns this size
Rated area is -33% against the class median of 32,670.
MOVA LiDAX Ultra 2000 AWD Robot Lawn Mower Wire Free RTK Free for up to 0.5 Acre*Dual Maps, 360° 3D LiDAR & AI Dual Vision Mapping, Robotic Mower with 4G, for 80% Slopes, Cutting Height 1.2”–3.9“
- Navigation
- LiDAR + RTK + Camera
- Cutting width
- 15.8in
- Lowest cut
- 30mm
- Rated slope
- 80%
- W x D x H
- 21×29×12in
- Weight
- 52lb
Rated for
21,780sq ft
LiDAR · 1/2 to 1 acre · 16 robot mowers
Claim density
543sq ft claimed per cm of deck
-45% vs the 986 median — more cutting width for the area it claims
Rated area is -33% against the class median of 32,670.
MOVA LiDAX Ultra 2000 AWD Robot Lawn Mower with Blades Kit, Wire Free RTK Free for 0.5 Acre*Dual Maps, 360° 3D LiDAR & AI Dual Vision Mapping, Robotic Mower with 4G, 80% Slopes, Cutg Height 1.2"–3.9"
- Navigation
- LiDAR + RTK + Camera
- Cutting width
- 15.8in
- Lowest cut
- 30mm
- Rated slope
- 80%
- W x D x H
- 21×29×12in
- Weight
- 52lb
Rated for
21,780sq ft
LiDAR · 1/2 to 1 acre · 16 robot mowers
Claim density
543sq ft claimed per cm of deck
-45% vs the 986 median — more cutting width for the area it claims
Rated area is -33% against the class median of 32,670.
[Latest Upgrade All-Terrain Wire-Free] DREAME A3 AWD 1000 Robot Lawn Mower, 360° 3D LiDAR & AI Dual Vision Smart Robotic Mower for 0.25 Acre, 80% Slopes & 45min Fast Charge
- Navigation
- LiDAR + RTK + Camera
- Cutting width
- 7.9in
- Lowest cut
- 25mm
- Rated slope
- 80%
- W x D x H
- 17×25×12in
- Weight
- 26lb
Rated for
10,890sq ft
LiDAR · 1/4 to 1/2 acre · 28 robot mowers
Claim density
545sq ft claimed per cm of deck
0% vs the 543 median — typical for lawns this size
Rated area is 0% against the class median of 10,890.
WORX Robot Lawn Mower 4WD for 1 Acre, No Perimeter Wire, WR344
- Navigation
- RTK + Camera
- Cutting width
- 8.7in
- Lowest cut
- 40mm
- Rated slope
- 84%
- W x D x H
- 19×26×11in
- Weight
- not stated
Rated for
43,560sq ft
RTK · 1 acre and up · 11 robot mowers
Claim density
1,971sq ft claimed per cm of deck
+6% vs the 1,854 median — typical for lawns this size
Rated area is 0% against the class median of 43,560.
roborock RockMow X130H Robot Lawn Mower, Wire-Free 4WD Robotic Lawn Mower with Full-Band RTK + Quad-Vision Navigation, Auto Mapping, Multi-Sensor AI Obstacle Avoidance, 80% Slope, Covers Up to 1 Acre
- Navigation
- RTK + Camera
- Cutting width
- 9.5in
- Lowest cut
- 41mm
- Rated slope
- 80%
- W x D x H
- 11×25×18in
- Weight
- 50lb
Rated for
43,560sq ft
RTK · 1 acre and up · 11 robot mowers
Claim density
1,805sq ft claimed per cm of deck
-3% vs the 1,854 median — typical for lawns this size
Rated area is 0% against the class median of 43,560.
L2500 Robot Lawn Mower for 1 Acre, NetRTK + AI Vision Lawnmower Robot, Wi-Fi HaLow Connectivity, No Boundary Wire, AI Obstacle Avoidance, App Control, 60dB Quiet, Multi-Zone Management, IP66
- Navigation
- Camera
- Cutting width
- 9.4in
- Lowest cut
- 30mm
- Rated slope
- 57%
- W x D x H
- 18×24×13in
- Weight
- not stated
Rated for
43,560sq ft
Camera · 1 acre and up · 11 robot mowers
Claim density
1,815sq ft claimed per cm of deck
-2% vs the 1,854 median — typical for lawns this size
Rated area is 0% against the class median of 43,560.
DREAME LiDAR 3500 Robot Lawn Mower A3 AWD Pro Wire Free No RTK, 4WD for 38.7° Slopes, Dual AI Vision Robotic Lawn Mowers,Dual-Disc Cutting 15.8" Width, Smart Zero-Edge, App Control for 0.87 Acre
- Navigation
- LiDAR + RTK + Camera
- Cutting width
- 15.7in
- Lowest cut
- 25mm
- Rated slope
- not stated
- W x D x H
- 17×39×23in
- Weight
- 26lb
Rated for
37,897sq ft
LiDAR · 1/2 to 1 acre · 16 robot mowers
Claim density
947sq ft claimed per cm of deck
-4% vs the 986 median — typical for lawns this size
Rated area is +16% against the class median of 32,670.
Mammotion LUBA 2 AWD 3000HX Robot Lawn Mower with 4G, All-Wheel-Drive for 80% Slope, Perimeter Wire Free for 0.75 Acre, UltraSense AI Vision & RTK Auto-Mapping, 2.2"-4.0" Adjustable Cutting Height
- Navigation
- RTK + Camera
- Cutting width
- 15.7in
- Lowest cut
- 56mm
- Rated slope
- 80%
- W x D x H
- 20×27×12in
- Weight
- not stated
Rated for
32,670sq ft
RTK · 1/2 to 1 acre · 16 robot mowers
Claim density
819sq ft claimed per cm of deck
-17% vs the 986 median — more cutting width for the area it claims
Rated area is 0% against the class median of 32,670.
TRON Robot Lawn Mower, Wire-Free Robotic Lawnmower up to 3/5 Acre,300° Vision + NetRTK,AI Obstacle Avoidance,App Control, Robot Mower for 65% Slopes, 15Ah, IPX6,Cutting Height 1.2”–3.5“
- Navigation
- Camera
- Cutting width
- 11.8in
- Lowest cut
- 30mm
- Rated slope
- 65%
- W x D x H
- 19×28×14in
- Weight
- 22lb
Rated for
26,136sq ft
Camera · 1/2 to 1 acre · 16 robot mowers
Claim density
872sq ft claimed per cm of deck
-12% vs the 986 median — more cutting width for the area it claims
Rated area is -20% against the class median of 32,670.
Related
- The full robot mower finder — unfiltered, every navigation technology.
- How we compile these figures.