X-Yachts X4/43

BoatsX-Yachts X4/43

See her sail

The X-Yachts X4/43, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from Berthon International

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LivelySea-kindly

Her light displacement on a moderate beam gives 26 — a moderate, middle-of-the-road motion.

Comfort ratio 26

CoastalBluewater

1.93 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.93

LightHeavy

170 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 170

EasygoingPowered-up

23.1 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 23.1

TenderStiff

43% of her weight is ballast — stiff, standing up well to her sails.

Ballast 43%

Light and lively — happiest day-sailing and coastal-hopping in settled weather.

Draws more than ~85% of boats her size on file

Compared with 2723 boats of the same type within a quarter of her length.

What the fleet has seen

The X-Yachts X4/43, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The X-Yachts X4/43 is a fractional sloop sailboat designed by Niels Jeppesen and built by X-Yachts since 2016. It features a fin with bulb and spade rudder hull, an LOA of 12.5 meters, a beam of 4.0 meters, and a displacement of 8850 kg. Standard draft is 2.2 meters, with options for a shallow 1.85-meter L-keel or a deep 2.5-meter T-keel. Aboard the 2018 X4.3 *Baby X*, located in Lymington, United Kingdom, the boat is used for light racing and family cruising. *Baby X* has a three-cabin, two-head layout, an optional carbon bowsprit with an integrated anchor roller, and upgraded 50.2 primary winches.1:11 Its cockpit includes dual carbon wheels, two 9-inch Zeus navigation screens, and a powered port halyard winch.2:23 The interior features an aft-facing chart table, a large saloon table, a three-burner hob, a top-loading freezer, and a Nespresso machine.3:14 The aft cabins offer double berths with pipe cots and hull windows, and the aft head can convert between a day head and an ensuite.5:36

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen once across one channel of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

What they go for

Market signal

Where the fleet has seen this model come up for sale.

1seen for sale

The yacht is presented as being for sale by Berthon International Yacht Brokers
from Berthon Internationalseen July 2023watch

From the fleet's own footage — our observed signal, not broker listings.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions

Weights

Ballast / displacement

42.9%

Rig & sail area

Rig

Fractional Sloop

Ratios

SA / displacement

23.1

Displacement / length

170.4

Comfort ratio

26.0

Capsize screening

1.93

Hull speed

8.2 kn

Pounds / inch immersion

1718

Hull

Hull type

Fin w/bulb & spade rudder

Construction

Epoxy/foam sand. w/carbon

Production

Years built

First built 2016

Designer

Niels Jeppesen

Builder

X-Yachts

Boats like this, on the water

More boats like her, on the water

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Oceanis 41 (Beneteau)12.43 mSame hull familyNear-identical lengthA Finot-Conq designed fractional sloop featuring a wide 4.2-metre beam and a modern hull form optimised for cruising

Bruno Baqueiro: hardships in high latitudes2:04 from Podcast Maré Sonora ®

Dehler Yachts 41 CR12.45 mSame hull familyNear-identical lengthA Judel-Vrolijk fractional sloop designed for performance cruising with a stiff, balanced hull and bulb keel

Skagen Race 2025: Fresh beat towards Skagen1:31 from SEILmagasinet

Hunter Marine 40-212.57 mSame hull familyNear-identical lengthA fractional sloop with a 22.15 sail-area-to-displacement ratio, built for responsive performance since 2012

Top 5 Great Lakes Sailboats! Ep 280 - Lady K Sailing1:38 from Lady K Sailing

Hanse Yachts 41012.55 mSame hull familyNear-identical lengthA modern Berret-Racoupeau fractional sloop designed for efficient cruising with a high-volume hull and balanced sail plan

Moody DS41 Walkthrough Tulln Boat Show Austria from 45 Degrees Sailing

Bavaria Yachts 40 (J&J)12.47 mSame hull familyNear-identical lengthA popular charter-trade cruiser from 2000, offering a balanced 18.88 SA/D ratio and a 1.95-metre bulb keel

Making the DECISION and undertaking a LIFE CHANGE. Choosing a SAILBOAT.3:13 from navegandoporelglobo

Beneteau First 40512.40 mSame hull familyNear-identical lengthA 12.4-metre masthead sloop featuring a deep 2.19-metre fin keel and a balanced displacement for offshore performance

Is the Caribbean Becoming Too Dangerous for Cruisers?21:54 from The Sailing Doodles Podcast

The family

Boats like this

Nearby designs by size, type, and era — worth a look alongside her.

X-Yachts X4A 15-metre performance cruiser with a 42% ballast ratio and a 2.4-metre draft for stiff, fast offshore sailing X-Yachts X4A 14-metre performance cruiser with a 2.3-metre bulb keel and spade rudder, optimized for speed and stability X-Yachts X4A Niels Jeppesen-designed performance cruiser balancing a high sail area-to-displacement ratio with modern comfort X Yachts X-43A Niels Jeppesen-designed fractional sloop balancing performance-oriented sail area with a stiff, bulb-keel hull X-Yachts X43-2A light-displacement fractional sloop featuring a widened transom and flexible keel options for performance cruising X-yachts X4-2A modern 15-metre fractional sloop from Niels Jeppesen, featuring a high sail-area-to-displacement ratio for performance

Keep asking

The fleet has more to say

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