BoatsDufour Yachts 3800

Dufour Yachts 3800

Masthead Sloop · Fin keel, spade rudder · 1980–1984

Marketed in the US as the Dufour 31 Frers, this 9.35-metre sloop was offered with both fractional and masthead rigs

Designed by German Frers.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/spade Rudder

Is it for you?

Character

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

LivelySea-kindly

Her moderate displacement on a moderate beam gives 21 — a moderate, middle-of-the-road motion.

Comfort ratio 21
CoastalBluewater

2.10 — right around the 2.0 line, the edge between coastal and offshore.

Capsize screening 2.10
LightHeavy

232 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 232
EasygoingPowered-up

17.1 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 17.1
TenderStiff

45% of her weight is ballast — stiff, standing up well to her sails.

Ballast 45%

A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
44.9%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.1
Displacement / length
231.6
Comfort ratio
20.6
Capsize screening
2.10
Hull speed
6.7 kn
Pounds / inch immersion
962
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Production
Years built
1980–1984
Designer
German Frers
Builder
Dufour Yachts S.A

Boats like this, on the water

Nobody has filmed this one — but these are close.

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.

C&C Yachts 30-29.12 mSame hull family0.2 m shorterA performance-oriented masthead sloop with a fin keel and spade rudder, designed by C&C for balanced club racing
Spirit 329.48 mSame hull familyNear-identical lengthA Jacques De Ridder-designed IOR 23-footer built for nearly two decades as a stiff, masthead-rigged fin-keel sloop
Granada Yachts 319.39 mSame hull familyNear-identical lengthA masthead sloop with a spade rudder and nearly 46% ballast ratio, designed for stability in a 31-foot hull
Hunter Marine 319.55 mSame hull family0.2 m longerA Cortland Steck design featuring a B&R rig and a fin keel, built for coastal cruising between 1983 and 1987
Elvstrom 329.56 mSame hull family0.2 m longerA versatile 1/2 Ton masthead sloop offered in flush deck or coach roof versions, sharing a hull with several other designs
Maxi Yachts 959.50 mSame hull family0.2 m longerA 9.5-metre masthead sloop produced for a decade, featuring a skeg-hung rudder for predictable coastal handling

The family

Boats like this

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

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

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