Worx WR310.1 vs Sunseeker S4

• SlopeWorx WR310.1: 2Sunseeker S4: 4 (higher)

  Worx WR310.1

  • rated by Worx for slopes up to 30% (17°)
  • Edge module: the manual advises against slopes over 15° with the Cut-to-Zero module fitted

  Sunseeker S4

  • rated by Sunseeker for slopes up to 42%
• Navigation & PositioningWorx WR310.1: 9 (higher)Sunseeker S4: 8

  Worx WR310.1

  • wire-free, network RTK with no station, camera V-SLAM, satellite-loss fallback, app zones

  Sunseeker S4

  • wire-free, 3D LiDAR, camera VSLAM, no sky view needed, app zones
• Cutting & BuildWorx WR310.1: 3Sunseeker S4: 4 (higher)

  Worx WR310.1

  • 8.7 in cut, IPX6
  • No point: a 1.97 in height range from 1.57 in, no published noise figure

  Sunseeker S4

  • cuts down to 20 mm, IPX6, rated 60 dB(A) sound power
  • Edge: the product page says the edge disc cuts as close as 1.2 in, the FAQ gives 110 mm from the edge

Same score

• CoverageWorx WR310.1: 10Sunseeker S4: 10

  Worx WR310.1

  • rated by Worx for lawns up to a quarter acre
  • Per charge: Worx prints a 80 minute charge time but no area per charge, per hour or per day, and no runtime

  Sunseeker S4

  • rated by Sunseeker for lawns up to 0.25 acre
  • Per charge: about 0.069 acre a charge from Sunseeker's 187 m² an hour for 90 minutes
• Safety & Smart FeaturesWorx WR310.1: 7Sunseeker S4: 7

  Worx WR310.1

  • lift and tilt stop, camera obstacle sensing, PIN lock, rain sensor, zone schedules
  • Obstacles: Worx publishes no obstacle class count or minimum size
  • Cellular: the Find My Landroid 4G module Worx sells fits only the WR340, WR344 and WR346

  Sunseeker S4

  • lift and tilt stop, LiDAR and camera obstacle sensing, 360+ obstacle classes, PIN lock, rain sensor
• VerificationWorx WR310.1: 6Sunseeker S4: 6

  Worx WR310.1

  • TÜV Rheinland cTUVus CU 72505008 lists model WR310.1 to 60335-2-107
  • Searched: Certipedia Intertek UL CSA
  • Record: TÜV Rheinland Certipedia, ANSI/OPEI 60335-2-107-2020/Amd 2; UL 60335-1:2016; CSA C22.2 No. 60335-2-107:20/A2:22; CAN/CSA-C22.2 No. 60335-1:16, WR310 WR310.1 WR310.* WR320 WR320.1 WR320.* WR340 WR340.*, Positec Technology

  Sunseeker S4

  • TÜV Rheinland cTUVus CU 72505023 lists model RMR1001M20VU to 60335-2-107
  • Searched: Certipedia Intertek
  • Record: TÜV Rheinland Certipedia, ANSI/OPEI 60335-2-107-2020/Amd 2; UL 60335-1:2016; CSA C22.2 No. 60335-2-107:20/A2:22; CAN/CSA-C22.2 No. 60335-1:16, RMR1200N20VU, RMR1001M20VU, SKRMS4, ZHEJIANG SUNSEEKER INDUSTRIAL CO., LTD.
• Warranty & SupportWorx WR310.1: 3Sunseeker S4: 3

  Worx WR310.1: 3 Years · Sunseeker S4: 2 Years.

  Worx WR310.1

  • three years on the mower with registration, one on the battery
  • Terms: 24 months without registration; 30-day returns on worx.com purchases

  Sunseeker S4

  • two years on the mower, one on the battery

Not scored for either

• ValueWorx WR310.1: —not scoredSunseeker S4: —not scored

• RedditWorx WR310.1: 6 (higher)Sunseeker S4: 4

  The Worx WR310.1 reading covers its product line; the Sunseeker S4 reading covers the whole brand.

  Worx WR310.1

  Read the full summary

  • Product-line. r/worxlandroid: a long-time robot mower owner of the WR320.1 calls setup the easiest he has had and praises the camera and night mowing, but it slips on dewy slopes near its rated 17° (Apr 2026)

  Sunseeker S4

  Read the full summary

  • r/SunseekerRoboticMower (a self-described unofficial owner community): owners report a laggy app with late or missing notifications and one warranty repair still out after two months (Sep-Oct 2026)
  • r/SunseekerRoboticMower: an owner selling an X7 Plus after RTK initializing faults all season, while others report the X7 handling steep, rocky yards (2025-2026)
• GoogleWorx WR310.1: 7Sunseeker S4: 7

  Worx WR310.1

  Liked

  • replaced a push mower
  • shared PowerShare battery
  • clean cut

  Complaints

  • trimmer still needed at fences
  • cannot push through tall grass

  Read the full summary

  • Product.
  • Tom's Guide mowed a lawn with the WR310 for 30 days and wrote that it replaced a push mower, with caveats (May 2026)|Root-Nation scored the WR310 8.2 of 10 after hands-on use and still needed a trimmer along the fence (Aug 2026)

  Sunseeker S4

  Liked

  • cutting and edging
  • obstacle avoidance

  Complaints

  • short battery life
  • no GPS or cellular

  Read the full summary

  • Product.
  • PCMag: John R.
  • Delaney rated the S4 3.5 of 5 (Good), praising its cutting, edging and obstacle avoidance but finding battery life short and no GPS or cellular radio (Sep 2026)
• AmazonWorx WR310.1: 5Sunseeker S4: 6 (higher)

  The Sunseeker S4 reading covers its product line.

  Worx WR310.1

  Read the full summary

  • Product.
  • Amazon US listing B0GNZHMD9Q: 3.8 out of 5 from 57 ratings (Nov 2026)

  Sunseeker S4

  Read the full summary

  • Product-line.
  • Amazon US: the S4 and X5 listings share one review file, 4.3 of 5 from 36 ratings, 66% five-star and 2% one-star; buyers split on setup and mapping (Nov 2026)