BoatsX-Yachts X4

X-Yachts X4

Fractional Sloop · Fin w/bulb & Spade Rudder · First built 2018

A 15-meter performance cruiser with a 42% ballast ratio and a 2.4-meter draft for stiff, fast offshore sailing

Designed by Niels Jeppesen.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/bulb & Spade Rudder

See her sail

The X-Yachts X4, on the water

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

Footage from SeaTV Sailing Channel

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 narrow beam gives 27 — a moderate, middle-of-the-road motion.

Comfort ratio 27
CoastalBluewater

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

Capsize screening 1.93
LightHeavy

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

Displacement / length 155
EasygoingPowered-up

21.6 — plenty of sail for her weight; lively and quick to respond.

Sail area / displacement 21.6
TenderStiff

42% of her weight is ballast — stiff, standing up well to her sails.

Ballast 42%

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

  • Draws more than ~85% of boats her size on file
  • Beamier than ~83% of boats her size on file

Compared with 1753 boats of the same type within a quarter of her length.

What the fleet has seen

The X-Yachts X4, 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 is a fractional sloop with a fin bulb and spade rudder, designed by Niels Jeppesen and built by X-Yachts since 2018. It measures 15.1 meters LOA, with a 4.5-meter beam, 2.4-meter draft, and displaces 12900 kg. The X4.0 model, launched five weeks before the 2019 Cannes Yachting Festival, had already sold 15 units, indicating global demand.0:32 X-Yachts CEO Kraen Brinck Nielsen described the fleet as easy to handle, comfortable, and aesthetically designed, with customizable configurations.0:45 The X4 can be fitted with an optional deep keel, increasing draft to 2.71 meters. It features a self-tacking jib and a main sail area of 72.2 square meters.

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

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
42.3%
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
21.6
Displacement / length
154.6
Comfort ratio
27.0
Capsize screening
1.93
Hull speed
8.8 kn
Pounds / inch immersion
2288
Hull
Hull type
Fin w/bulb & spade rudder
Construction
Epoxy/foam sand. w/E-glass
Ballast type
Lead Bulb
Production
Years built
First built 2018
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.

Grand Soleil 50 (B&C)15.15 mSame hull familyNear-identical lengthA 2.9-meter draft fractional sloop featuring a collaborative design by Botin, Carkeek, and Attivo Creative
BOAT LIFE: Cleaning the Ship. We arrived in an Old Fishing Village! Ep. 22616:21from Sailing La Vagabonde
X Yachts X-5015.24 mSame hull family0.2 m longerA 15.24-meter performance cruiser with a 3-meter draft and a 40% ballast ratio for balanced, high-speed handling
The Launch of X yacht 49 Electric – A Green Sailing Experience in Denmarkfrom SeaTV Sailing Channel
Dufour Yachts 47014.85 mSame hull family0.2 m shorterA 14.85-metre performance cruiser featuring a modern fin-and-bulb keel and a 2.25-metre draft for offshore stability
10 nm with an electric boat: Weekend trip on wind and current0:10from SEILmagasinet
Jeanneau Sun Odyssey 49 DS14.98 mSame hull familyNear-identical lengthA Philippe Briand-designed deck saloon cruiser balancing a spacious 4.99-meter beam with a performance-oriented hull
BIG ANNOUNCEMENT + We Almost Bought a Dismasted Sailboat! EP 2015:30from Leading the Escapade
Beneteau Oceanis 5015.10 mSame hull familyNear-identical lengthA 15.1-meter fractional sloop with a 1.7-meter draft, built for high-volume cruising on a proven hull platform
Dicembre 2002 Golfo di Napolifrom Ale & Max - Y2K Sailing Adventure
Beneteau Oceanis 51015.29 mSame hull family0.2 m longerA Philippe Briand-designed masthead sloop also marketed as the Moorings 510 and Stardust 515
I left my boat to sail in GREECE?!1:03from Lauren Landers Sailing

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

X-Yachts X4A 14-meter performance cruiser with a 2.3-meter bulb keel and spade rudder, optimized for speed and stabilityX-yachts X4-2A modern 15-meter fractional sloop from Niels Jeppesen, featuring a high sail-area-to-displacement ratio for performanceX-Yachts X4/43A 12.5-meter performance cruiser featuring a 43% ballast ratio for stability and a high sail-area-to-displacement ratioXp 44A 13.88-metre performance cruiser featuring a deep 2.3-metre bulb keel and a high 23.91 sail-area-to-displacement ratio

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