Dufour 500 Grand Large Information, Review, Specs

Dufour 500 Grand Large Drawing
Make
Dufour
Model
500 Grand Large
Builder
Dufour Yachts
Designer
Umberto Felci
Number Built
100
Production Year(s)
2011 - 2015

The Dufour 500 Grand Large represents a pivotal moment in the evolution of the French shipyard’s cruising philosophy. Launched in late 2012 as the flagship of the Grand Large range, this 50-foot performance cruiser was designed by Umberto Felci to bridge the gap between high-volume charter vessels and spirited, private-owner yachts. The model gained immediate acclaim for its departure from traditional interior ergonomics and its aggressive, contemporary hull lines, eventually earning several "Boat of the Year" accolades. It was succeeded by the nearly identical Dufour 512 Grand Large, which utilized the same hull mold but updated the cockpit and interior aesthetics.

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Sailing Performance & Handling

The Dufour 500 Grand Large is defined by its powerful, chined hull and a high-aspect-ratio rig that leans more toward performance than many of its contemporaries in the production cruising sector. With a Sail Area/Displacement ratio of approximately 21, the vessel is capable of maintaining momentum in light airs where heavier cruisers often stall. According to a sea trial by Sail Magazine, the boat exhibits impressive stability and tracking, largely due to the hard chines that run from the midsection aft, which provide additional form stability when the boat is pressed.

At the helm, the twin-wheel configuration offers excellent visibility, though the single deep spade rudder requires attentive steering when pushed hard off the wind to avoid rounding up. The boat was offered with multiple keel configurations, including a deep performance draft of roughly 7 feet 6 inches and a shallower option for coastal cruising. Owners often note that while the self-tacking jib simplifies short-handed sailing, the optional 108% overlapping genoa is necessary to unlock the hull's true potential in sub-10-knot breezes. Technical reviews from Cruising World highlight that the boat's "E-Tech" construction—a vacuum-infused process—keeps the center of gravity low, enhancing the sea-kindliness of the vessel in a chop.

Interior Comfort & Variations

The interior of the Dufour 500 Grand Large is perhaps its most discussed feature, specifically the "Chef’s Galley" located forward of the salon against the main bulkhead. By splitting the galley across the full beam of the boat, Dufour effectively separated the cooking area from the social lounging space, a layout more commonly found on much larger custom yachts. This configuration allows for a massive salon with a longitudinal settee and a versatile dining table that can be converted into a lounge area.

The model was produced in several configurations to suit different markets. The most common "Owner’s Version" features three cabins and three heads, with a cavernous master suite forward of the galley. A four-cabin version was also popular, which splits the forward master into two smaller double cabins, while a five-cabin variant was developed primarily for the Mediterranean charter trade. In all versions, the use of Maobi or Oak veneers combined with large deck portlights creates a bright, airy atmosphere. The successor model, the Dufour 512, retained this layout but integrated more refined lighting and updated cabinetry finishes, as noted by Yachting World.

The Dufour 500 GL achieved significant media saturation upon its release, securing the 2014 "Best Full-Size Cruiser" award from Cruising World and the 2013 "European Yacht of the Year" nomination. Its cultural footprint is most visible in the "lifestyle" sailing segment, as it was one of the first production boats to market an integrated cockpit galley—complete with a sink, fridge, and gas barbecue grill under the aft helm seats—which has since become a staple feature in the Dufour line.

Known Issues & Buyer’s Checklist

Prospective buyers should approach the Dufour 500 Grand Large with a technical eye toward its integrated systems and specific design choices:

  • Sail Drive Diaphragm and Seal: Most 500 GL units are powered by a Volvo Penta engine with a sail drive. It is critical to check the age of the rubber diaphragm seal; manufacturers generally recommend replacement every seven years.
  • Deck-to-Hull Joint: While the vacuum-infusion process is robust, some early models were reported to have minor "crazing" in the gelcoat around the stanchion bases and the chine areas if the boat had been campaigned heavily or used in high-stress charter environments.
  • Electrical Management: The 500 GL utilizes a sophisticated digital switching system for its lighting and pumps. Buyers should ensure the DC control panel is fully functional, as replacing proprietary electronic modules can be costly and require specialized technicians.
  • Galley Drainage: Due to the forward placement of the galley, the sink drainage can be slow when the boat is heeled on certain tacks. Inspect the sump pump systems associated with the galley to ensure they are clear of debris.
  • Subfloor Integrity: Check the floorboard supports in the high-traffic salon area. Some owners have reported "squeaking" or slight movement in the floorboards, which often requires simple shim adjustments but can indicate heavy use.

Community & Resources

Owners of the 500 Grand Large are supported by a few dedicated organizations that offer technical data and parts sourcing. The Dufour Yachts Owners Association is a prominent international body providing a repository for manual archives and technical advice. Additionally, the Dufour Owners Group (North America) serves as a vital hub for owners navigating North American parts logistics and Volvo Penta service networks.

The Verdict

The Dufour 500 Grand Large is a bold, aesthetically striking cruiser that prioritizes "living well" without sacrificing the hydrodynamic efficiency for which Felci is known. It remains a top choice for sailors who value modern ergonomics and a social cockpit layout.

Pros:

  • Innovative forward galley creates an expansive, open-concept salon.
  • Integrated cockpit barbecue and sink are excellent for Mediterranean-style entertaining.
  • Strong light-air performance for a 15-ton cruising yacht.
  • High-quality vacuum-infused hull construction.

Cons:

  • The forward galley placement can make cooking at sea difficult on a steep heel.
  • Complex electrical systems may challenge DIY-oriented owners.
  • Standard self-tacking jib can feel underpowered in light wind conditions.

Measurements

Construction & Hull

Construction Material
Fiberglass (Foam Core)
Hull Type
Monohull Sailboat
Keel Type
Bulb
Rudder
1x Spade
Ballast
8911 lbs
Displacement
33609 lbs
Water Capacity
190 gal
Fuel Capacity
132 gal

Dimensions

Length Overall (LOA)
49.54 ft
Waterline Length (LWL)
44.85 ft
Beam
15.75 ft
Draft
7.55 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
53.31 ft
E (Main Foot)
18.37 ft
I (Foretriangle Height)
56.59 ft
J (Foretriangle Base)
18.34 ft
Forestay Length (est)
59.49 ft
Sail Area
1084 sqft

Calculations

Sail Area / Displacement (SA/D) Ratio
16.65
Ballast / Displacement Ratio
26.51
Displacement / Length Ratio (D/L) Ratio
166.31
Comfort Ratio
28.57
Capsize Screening Formula
1.95
Hull Speed
8.97 kn