Sunseeker X3 Plus vs Segway Navimow i110N
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Quick take: The Sunseeker X3 Plus costs $30 less; the Sunseeker X3 Plus is rated for a larger lawn (13,068 sq ft); the Segway Navimow i110N cuts taller (up to 3.6"), which matters for fescue and warm-season grasses.
| Spec | Sunseeker X3 Plus | Segway Navimow i110N |
|---|---|---|
| Price | ~$899 | ~$929 |
| Rating | 4.75★ (322) | — |
| Navigation | RTK + Vision | RTK + Vision |
| Max Lawn Size | 13,068 sq ft (13,068 sq ft) | 10,890 sq ft (10,890 sq ft) |
| Max Slope | 30% (17°) | 30% (17°) |
| Cutting Width | 7.9" | 7.1" |
| Cut Height | 1.6"–3.2" | 2"–3.6" |
| Drive | RWD | RWD |
| Runtime | 120 min | 120 min |
| Charge Time | 90 min | 120 min |
| Noise | 59 dB | 58 dB |
| Weight | 19.9 lb | 24 lb |
| Obstacle Detection | Binocular Vision AI trained on 360+ object types plus ultrasonic sensing; spotted obstacles are pinned to the map as no-go spots. Low-profile things like divots and logs still trap it. | VisionFence 140-degree RGB camera plus bumper; identifies 150+ object types and maps trees and planters automatically, but cannot see curbs or drop-offs. |
| Edge Cutting | Yes | No |
| Rain Sensor | Yes | No |
| Cellular | No | No |
| Anti-Theft | PIN lock (required to restart after it is moved), lift stop, GPS theft protection and geofencing | PIN lock and lift alarm; GPS tracking and geofence alerts only with the optional Access+ 4G module |
| Warranty | 2-year | 3-year limited |
Pros & cons
Sunseeker X3 Plus
- ✓Offset Ride-on-Edge blade trims to about 1.2 in of hardscape, rare at this price
- ✓RTK plus twin-camera VSLAM mows in straight rows and keeps position near walls
- ✓A tested setup took under 45 minutes with no wire and no dealer
- ✓Vision AI dodged balls and dog toys in testing and pins them on the map
- ✗Gets stuck on small divots and low logs that bigger mowers roll over
- ✗30% slope limit and rear-wheel drive rule out hilly yards
- ✗No 4G, so manual control only works within Bluetooth range
- ✗$1,599.99 list is more than more capable rivals; only buy on sale
Segway Navimow i110N
- ✓Tom's Guide Editor's Choice for even, complete coverage with no missed strips
- ✓Double the runtime of the i105N for only a little more money
- ✓Vision fallback keeps it inside the boundary when RTK signal dips under trees
- ✓58 dB lets it run at night without complaints
- ✓Repeatedly discounted below $800 in 2026
- ✗Slow: expect several hours of mowing per week for a full quarter acre
- ✗Front-wheel drive and 30% slope limit struggle on real hills
- ✗No drop-off detection; PCWorld's unit drove off curbs
- ✗Cannot chew through leaves or twigs, so fall cleanup is still on you
- ✗Discontinued on Segway's own store; retailer stock only