---
title: "Sunseeker Elite X3 Plus vs Sunseeker S4: specs compared"
description: "Sunseeker Elite X3 Plus and Sunseeker S4 side by side, from the figures each maker claims."
canonical: "https://homerobotcompared.com/compare/sunseeker-elite-x3-plus-vs-sunseeker-sunseeker-s4"
updated: "2026-10-09"
data_snapshot: "2026-10-07"
---

# Sunseeker Elite X3 Plus vs Sunseeker S4

All figures are what the makers claim, collected 2026-10-07. We have not tested either robot.

| | Sunseeker Elite X3 Plus | Sunseeker S4 |
| --- | --- | --- |
| Lawn size it can handle | **12,917 sq ft (1,200 m²)** (ahead) | 10,764 sq ft (1,000 m²) |
| Slopes | Up to 30% | **Up to 42%** (ahead) |
| List price | $1,599 | $1,599 |
| List price per 100 m² of lawn | **$133** (ahead) | $160 |
| Noise | **59 dB** (ahead) | 60 dB |
| Guidance | Satellite and camera guidance | Laser and camera guidance |
| Wire-free | Yes | Yes |
| Needs a base station on the lawn | Yes | No |
| Cutting width | 22 cm | 18 cm |
| Drive | Not stated | rear-wheel drive |
| Battery | 5Ah | 20V 4Ah |
| Water protection | Not stated | IPX6 |
| Connectivity | Wi-Fi/Bluetooth/4G optional | Wi-Fi/Bluetooth (4G optional) |

## Choose the Sunseeker Elite X3 Plus if

- Your lawn is bigger: it is rated for 1,200 m² against 1,000 m².
- You want faster mowing: a wider deck, 22 cm against 18 cm.

## Choose the Sunseeker S4 if

- Your yard has steeper slopes: 42% claimed against 30%.
- You would rather not set up a base station on the lawn.

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Web page: https://homerobotcompared.com/compare/sunseeker-elite-x3-plus-vs-sunseeker-sunseeker-s4