Ecovacs GOAT O1000 RTK
For budget buyers with open, gently sloped lawns up to a quarter acre who want wire-free RTK mowing at a low price.
Amazon $789.52 Ecovacs $999.99$789.52
The Ecovacs GOAT O1000 RTK is the better robot lawn mower overall, rated 4.1 to 3.8. The Ecovacs GOAT O1000 RTK leads on value and noise. The Ecovacs GOAT O1000 RTK costs $362.11 less ($789.52 vs $1,151.63).
Sunseeker S4
#10 in Up to 1/4 acreFull review
For quarter-acre suburban yards with trees or walls that block satellite signal, where a LiDAR mower avoids RTK setup. Yards with steep slopes need an AWD model.
Amazon $1,151.63 Sunseeker $1,279.99$1,151.63
Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Ecovacs GOAT O1000 RTK for value ($3,160 per rated acre vs $4,610 per rated acre) and noise (57 dB(A) rated vs 60 dB(A) rated).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every up to 1/4 acre robot lawn mower; a clear win is highlighted. How we rank explains each one.
| Factor weight | Ecovacs GOAT O1000 RTK | Sunseeker S4 |
|---|---|---|
| Overall rating | 4.1/5 | 3.8/5 |
| Value 30% | 98 $3,160 per rated acre | 82 $4,610 per rated acre |
| Navigation 20% | 80 RTK + vision, no boundary wire | 85 LiDAR + vision, no boundary wire |
| Slopes 20% | 36 45% (24°) slopes | 31 42% (23°) slopes |
| Features 15% | 86 6 of 7; no 4G | 75 6 of 8; no 4G, height set in the app |
| Warranty 10% | 50 warranty not published (neutral score used) | 33 2-year warranty |
| Noise 5% | 87 57 dB(A) rated | 67 60 dB(A) rated |
Independent tests
Ecovacs GOAT O1000 RTK
No independent test published yet.
Sunseeker S4
| Tested by | Conditions |
|---|---|
| Tom's Guide | On the first cut, a charge lasted about 90 minutes. The test lawn was about 5,875 sq ft in two zones, and the backyard took just under 2 hours of cutting. |
Specifications
| Ecovacs GOAT O1000 RTK | Sunseeker S4 | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 0.25 acres (8,600 sq ft) | 0.25 acres (10,900 sq ft) |
| Max slope | 45% (24°) | 42% (23°) |
| All-wheel drive | No | No |
| Run time per charge | 1 h 5 min | - |
| Charge time | 1 h 40 min | - |
| Battery | 18 V 4 Ah | 20 V 4 Ah |
| Navigation | ||
| Navigation | RTK + vision | LiDAR + vision |
| Boundary wire needed | No | No |
| RTK station | Included | - |
| Obstacle avoidance | AIVI 3D: AI camera + 3D-ToF | 360° 3D LiDAR + monocular AI camera + bumper |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | Yes |
| Cutting | ||
| Cutting width | 8.7 in (220 mm) | 7 in (178 mm) |
| Cutting height | 1.2–3.2 in (30–80 mm) | 1.6–3.2 in |
| Height adjustment | - | By hand (knob) |
| Blades | Single blade disc | Six pivoting blades on a floating cutting disc |
| Edge mowing | Blade edge mowing; no trimmer | Ride-on boundary cutting mode |
| Smart features | ||
| Connectivity | Wi-Fi, Bluetooth | Wi-Fi, Bluetooth |
| Rain sensor | Yes | Yes |
| Anti-theft | PIN code lock | Optional 4G module with anti-theft tracking |
| Build | ||
| Noise (rated) | 57 dB(A) | 60 dB(A) |
| Water resistance | IPX6 | IPX6 |
| Weight | 24.2 lb (11 kg) | 26 lb (11.8 kg) |
| Warranty | - | 2 years |