Sunseeker X3 Plus
Sunseeker's value wire-free mower for mid-size lawns: RTK plus camera vision at an entry-level price, one of the cheapest ways into vision-assisted wire-free mowing.
Does it fit your lawn?
Set your lawn once; every mower page checks against it.
- Navigation & mapping
- 4.0
- Obstacle avoidance
- 5.0
- Coverage
- 3.2
- Slope & terrain
- 3.3
- Coverage per dollar
At a glance
Sunseeker X3 Plus (X3 Plus) covers up to 1,200 m², handles slopes to 30%, and navigates with RTK + Vision. It starts at $899.99 at Sunseeker Store, across 2 ways to buy.
- Max lawn area
- 1,200 m² (0.3 acre)
- Max slope
- 30% (17°)
- Navigation
- Wire-free RTK-GNSS with VSLAM camera vision (AONavi)
- Price
- from $899.99
- Cutting
- 20.3 cm (8.0 in) cut, 40 to 80 mm (1.6 to 3.1 in) height, about 55 dB
What it's built for
Fuses RTK-GNSS with VSLAM camera vision (AONavi), so the camera keeps it on track when the satellite signal weakens, and it comes in well under the price of the premium brands.
Full spec sheet
The specs that decide a robot-mower purchase, in one place.
- Drive
- Rear-wheel drive
- Max lawn area
- 1,200 m² (0.3 acre)
Ways to buy Sunseeker X3 Plus
Every way to buy, cheapest first.
The cheapest way to buy Sunseeker X3 Plus is $899.99 (brand store) via Sunseeker Store, across 2 tracked ways to buy it.
- Check priceSSSunseeker StoreCheapestBrand store
Sunseeker X3 Plus
- AAmazonMarketplace
Sunseeker X3 Plus
$999Check pricenew, ships from Amazon · reported
Prices are street prices you pay, not the MSRP above. They change often; each links to its source. The Sunseeker Store price and stock are read from the store's own feed every 3 days (last checked 2026-09-28); the other prices were re-verified 2026-08-24 (a refresh is due). BestRobotMower.co is an independent comparison site; confirm the current spec and price with the manufacturer or seller before buying.
Sunseeker X3 Plus vs the alternatives
The models most cross-shopped against this one, head to head.
Sunseeker X3 Plus FAQ
How big a lawn can the Sunseeker X3 Plus mow?
It is rated for lawns of 1,200 m² (0.3 acre), and starts at $899.99 at Sunseeker Store. Rated coverage is a maximum on an open lawn; a complex or obstacle-filled yard covers less.
How steep a slope can the Sunseeker X3 Plus handle?
It is rated to 30% (17°) slope.
Does the Sunseeker X3 Plus work under trees or in shade?
Mostly. It adds camera vision to its positioning, which helps under light tree cover, though heavy canopy can still interrupt a satellite lock.
Can the Sunseeker X3 Plus mow in the rain?
Rain sensor: stops and returns to base in bad weather.
Is the Sunseeker X3 Plus protected against theft?
Built-in GPS theft protection and geofencing (alerts if it leaves its zone).
How does the Sunseeker X3 Plus avoid obstacles like pets and toys?
Dual-lens 3D AI camera + ultrasonic; recognizes 200+ object types and reroutes.