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3data points analyzed by Sailpages.com to compile this FIFTY 40 buyer’s report
FIFTY 40

FIFTY 40

Kirié🇫🇷· Design: Michel Joubert
$48,600 avg$48,600 – $48,600 (1 listings)1979–1986
$2.7K – $7.3K est. annual maintenance
Offshore CruisermonoMasthead SloopFin

Specifications

Hull

LOA40.68 ft
LWL34.12 ft
Beam12.8 ft
Draft5.41 ft
Displacement19,841 lb
Ballast6,172.5 lb
Hull speed1.34·√LWL7.8 kn

About the FIFTY 40

Sailpages Buyer's Take

The Fifty 40 is a classic French cruising sloop designed by Michel Joubert and built by Kirié (FRA) between 1979 and 1986. With a displacement of 19841.0 lb and a comfort ratio of 28.49, this vessel is engineered for stable, comfortable offshore passage-making.

Best for:
This boat is best suited for experienced coastal and offshore cruisers who prioritize seakeeping and comfort over high-speed planing. Its substantial displacement and fin keel make it ideal for couples or families seeking a robust bluewater platform.
Bluewater capability:
With a low capsize ratio of 1.89 and a displacement of 19841.0 lb, the Fifty 40 demonstrates strong inherent stability and offshore suitability for extended passages.
Comparables:
Comparable vessels include the Hallberg-Rassy 42 and the Oyster 435, which share similar heavy-displacement characteristics and offshore credentials. These boats are comparable due to their shared emphasis on safety, stability, and long-range cruising capability.

Performance

Comfort28.5
Capsize1.89
SA/Disp17.1
Disp/Len223
Bal/Disp31.1

Market Price

Low
$48,600
Average
$48,600
High
$48,600
Based on 1 listings across 1 marketplace

Estimated Cost of Ownership

Based on 40.68ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$2.7K – $7.3K
Hull, rigging, sails, engine service
Annual Docking
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Known Issues & Pre-Purchase Inspection

We don't have enough data on the FIFTY 40yet to publish model-specific findings we'd stand behind — but here's a free general inspection checklist, built from our research into what actually goes wrong on boats of this kind.

Drawn from 7,029 documented issues across 2,391 models, ordered so the areas that most often turn up problems come first.

1Structural & Bulkheads9732Standing Rigging6403Deck & Topsides6404Keel & Keel Bolts5535Rudder & Steering5086Hull & Bottom377
Free general pre-purchase checklist
25 survey areas — hull, keel, rig, engine, electrical and more. Take it aboard when you view any boat.

Own a FIFTY 40? Reports from owners are what turn this into a model-specific checklist — and they're the reason the boats above it have one.

Similar Sailboats

Which engine powers your FIFTY 40?

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Used sails that fit the FIFTY 40

Checking eBay for sails sized to this boat's rig…