Dreame A3 AWD 1000
For quarter-acre yards with steep slopes or heavy tree cover, where RTK mowers lose their fix. Its all-wheel drive and LiDAR cost more than an RTK model of the same size.
Amazon $1,399.99 Dreame $1,399.99$1,399.99
The Dreame A3 AWD 1000 is the better robot lawn mower overall, rated 4.4 to 3.8. The Dreame A3 AWD 1000 leads on slopes, features and warranty. The Sunseeker S4 wins on value and noise. The Sunseeker S4 costs $248.36 less ($1,151.63 vs $1,399.99).
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 Dreame A3 AWD 1000 for slopes (80% (39°) slopes, all-wheel drive vs 42% (23°) slopes), features (8 of 8 vs 6 of 8; no 4G, height set in the app) and warranty (3-year warranty vs 2-year warranty).
- Choose the Sunseeker S4 for value ($4,610 per rated acre vs $5,600 per rated acre) and noise (60 dB(A) rated vs 62.8 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 | Dreame A3 AWD 1000 | Sunseeker S4 |
|---|---|---|
| Overall rating | 4.4/5 | 3.8/5 |
| Value 30% | 71 $5,600 per rated acre | 82 $4,610 per rated acre |
| Navigation 20% | 85 LiDAR + vision, no boundary wire | 85 LiDAR + vision, no boundary wire |
| Slopes 20% | 100 80% (39°) slopes, all-wheel drive | 31 42% (23°) slopes |
| Features 15% | 100 8 of 8 | 75 6 of 8; no 4G, height set in the app |
| Warranty 10% | 67 3-year warranty | 33 2-year warranty |
| Noise 5% | 48 62.8 dB(A) rated | 67 60 dB(A) rated |
Independent tests
Dreame A3 AWD 1000
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
| Dreame A3 AWD 1000 | Sunseeker S4 | |
|---|---|---|
| Coverage | ||
| Lawn size (rated) | 0.25 acres (10,900 sq ft) | 0.25 acres (10,900 sq ft) |
| Max slope | 80% (39°) | 42% (23°) |
| All-wheel drive | Yes | No |
| Charge time | 45 min | - |
| Battery | 5 Ah | 20 V 4 Ah |
| Navigation | ||
| Navigation | LiDAR + vision | LiDAR + vision |
| Boundary wire needed | No | No |
| Obstacle avoidance | 360° 3D LiDAR + binocular AI cameras | 360° 3D LiDAR + monocular AI camera + bumper |
| Multiple zones | Yes | Yes |
| No-go zones | Yes | Yes |
| Cutting | ||
| Cutting width | 7.9 in (201 mm) | 7 in (178 mm) |
| Cutting height | 1.2–3.9 in | 1.6–3.2 in |
| Height adjustment | In the app | By hand (knob) |
| Blades | Pivoting razor blades on a cutting disc (9 spare blades included) | Six pivoting blades on a floating cutting disc |
| Edge mowing | EdgeMaster edge mode, disc-to-edge distance under 1.91 in; optional trimmer module sold separately | Ride-on boundary cutting mode |
| Smart features | ||
| Connectivity | Wi-Fi, Bluetooth, 4G | Wi-Fi, Bluetooth |
| Rain sensor | Yes | Yes |
| Anti-theft | Lift alarm, 4G location tracking, PIN lock, AirTag compatible | Optional 4G module with anti-theft tracking |
| Build | ||
| Noise (rated) | 62.8 dB(A) | 60 dB(A) |
| Water resistance | IPX6 | IPX6 |
| Weight | 35.5 lb (16.1 kg) | 26 lb (11.8 kg) |
| Warranty | 3 years | 2 years |