X4³ MkI

Yacht Summary

  • Manufacturer: X-Yachts
  • Model: X4³ MkI
  • Build Number: 43781
  • Build Year: 2020
  • Lying: Mystic, CT, United States
  • Price: Sold
  • Dealer: X-Yachts USA
  • Contact: Robert Rodgers
  • Phone: 860-625 3898
  • Email:
X4³ MkI


2020 X-Yachts X4.3

WILD THING is the first of the popular X-4.3 series to come to the brokerage market.   She has been extremely well kept by here owners, who have ordered a new X-Yacht.

She is stored at our Mystic, CT office for the 2023-24 season and is available for inspection by appointment.

Standard Specification

DesignerX-Yachts Design Team
Hull Length12.67 m41'7"
Waterline Length11.33 m37'2"
Beam (max)3.99 m13'1"
Draft2.20 m7'3"
Ballast - Std3,700 kg8,157 lbs
Displacement - Light9,400 kg20,723 lbs
Engine Power33 kW45 hp
Fuel Tank - Std200 ltr53 gal (US)
Water Tank - Std340 ltr90 gal (US)

Standard X4³ MkI brochure


Exterior Details


  • Hull and Deck:
  • Layout: 2 cabins, 2 heads
  • White Corian Galley
  • Light grey hull with white stripes
  • Epoxy infused hull with Epoxy barrier coats
  • Teak swim platform
  • Interior fabrics: saloon Alsace Blue, cabins 710 Moon Grey
  • Teak on side decks
  • Twin pedestals with instrument pods
  • Black, composite steering wheels
  • Combined Wheel & Pedestal Covers
  • Removable cockpit table
  • Electric Halyard winch, upgraded size from standard
  • Larger jib winches than standard
  • Cockpit lights
  • Mid ships mooring cleats
  • 4 Additional padeyes on toe rail
  • Carbon Fiber Bow Sprit (clear coated)
  • Boarding Gates, port and starboard
  • Rigged for Asymmetric Spinnaker
  • Sprayhood, (Dodger) and Helmsman's Bimini in Light Gray Fabric


  • North Mainsail: 3Di endurance, 5 full battens, 2 reefs, Ronstan trackless cars
  • North Jib: 3Di endurance, 4 vertical battens, UV leech protection, foam luff
  • North Sails Code Zero - 2020
  • North Sails A2 Asymmetrical Spinnaker
  • Cockpit cushions
  • Mainsail Cover
  • Forestay Cover

Mast & Rigging

  • Lazy Jacks
  • Additional Mast Steps
  • Combined LED deck/steaming light
  • Tri Color LED Masthead Light
  • Main Halyard Upgrade
  • Additonal Spinnaker Halyard
  • 2:1 Code 0 Halyard



  • Yanmar 45 hp saildrive diesel
  • 3 blade bronze prop


  • Victron 110V shore power & inverter
  • Upgrade Standard Battery monitor
  • Additional Service battery
  • Red Footlights in Cabin
  • LED Cabin lights with dimmer
  • Socket package 110V galley, each cabin, each head
  • USB double socket mounted each cabin and nav station
  • 12 V Socket in Cockpit
  • Fusion Entertainment system
  • Cockpit Speakers
  • Wired and prepared for TV monitor in main salon
  • Solar - 2023: Two 170W panels (340W total) mounted on Bimini. Using a Victron Smart Solar MPPT Controller
  • 2023: Connector cover between dodger and bimini.


  • Two i70’s MFD's mounted in garage above companioinway
  • One Axiom 7” display in garage
  • Extra I70s mounted in port and starboard pedestal
  • Autopilot EV-400 mounted in starboard pedestal
  • Quantum Radar 2 w/doppler and WIFI
  • Ray VHF with AIS mounted at chart table
  • Ray VHF 90 mounted in cockpit
  • Shakespeare Antenna
  • Axiom 9” touchscreen mounted port pedestal

Additional Information

  • Owner’s Cabin, Oak lockers
  • Walnut Cabin Sole throughout
  • Sea Berth in Aft Cabin
  • Stainless Steel Handrails in Salon
  • Main Cabin upper cupboards
  • Spring Mattress in owner’s cabin
  • Ocean Air blinds
  • 3 Burner Eno Stove & Oven
  • Isotherm front opening Fridge
  • Gas detector Alarm
  • Electric Solonoid Gas Switch
  • Fire Blanket in Galley
  • Espar Cabin Heater
  • Back up Foot pump for fresh water in galley
  • Additional Keel Sump pump