1990 J/40 vs Dufour 382 Grand Large — Comparison

1990 J/40
VS
Dufour 382 Grand Large

Specifications Side by Side

Specification1990 J/40Dufour 382 Grand Large
General
ManufacturerJ/BoatsDufour
Year1990–19952014–2018
TypeSloopSloop
CountryUSAFrance
DesignerRod JohnstoneFelci Yacht Design
Dimensions
LOA12.30 m (40.4 ft)11.55 m (37.9 ft)
LWL10.21 m (33.5 ft)10.25 m (33.6 ft)
Beam3.65 m (12.0 ft)3.72 m (12.2 ft)
Draft2.08 m (6.8 ft)1.95 m (6.4 ft)
Weight
Displacement7,711 kg (17,000 lbs)7,200 kg (15,873 lbs)
Ballast3,402 kg (7,500 lbs)2,200 kg (4,850 lbs)
Sailing
Sail Area72.5 m² (780 ft²)63.0 m² (678 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine35 HP29 HP
Fuel Capacity114 L (30.1 gal)140 L (37.0 gal)
Water Capacity189 L (49.9 gal)260 L (68.7 gal)
Accommodation
Berths66
Cabins22

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1990 J/40
18.87
Dufour 382 Grand Large
17.17
Ballast Ratio (Higher = more stability)
1990 J/40
44.12
Dufour 382 Grand Large
30.56
Capsize Ratio (Lower = safer offshore)
1990 J/40
0.74
Dufour 382 Grand Large
0.77
Comfort Ratio (Higher = gentler motion)
1990 J/40
17.98
Dufour 382 Grand Large
16.98

Detailed Comparison

The 1990 J/40 and Dufour 382 Grand Large represent two takes on sloop-rigged sailing. The 1990 J/40 is a 1990s design by J/Boats from USA, while the Dufour 382 Grand Large is a modern offering from Dufour from France. The 1990 J/40 was penned by Rod Johnstone. The Dufour 382 Grand Large was designed by Felci Yacht Design.

In terms of size, the 1990 J/40 measures 12.30m (40.4ft) overall with a beam of 3.65m, compared to the Dufour 382 Grand Large at 11.55m (37.9ft) with a 3.72m beam. The 1990 J/40 is 0.75m longer than the Dufour 382 Grand Large. The 1990 J/40 displaces approximately 7% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1990 J/40 has good sail power for versatile performance with an SA/D ratio of 18.87 and 72.5 m² of sail area. The Dufour 382 Grand Large, with an SA/D of 17.17 and 63.0 m² of canvas, offers good sail power for versatile performance. The 1990 J/40 has the edge in terms of raw sailing performance.

For comfort and safety, the 1990 J/40 offers a firm, racing-oriented motion (comfort ratio: 18.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.74). The Dufour 382 Grand Large has a comfort ratio of 17.0 and a capsize screening value of 0.77. The ballast ratios are 44.1% for the 1990 J/40 and 30.6% for the Dufour 382 Grand Large, reflecting their respective approaches to stability.

Below deck, the 1990 J/40 provides 6 berths in 2 cabins with 189L of water capacity and 114L of fuel. The Dufour 382 Grand Large offers 6 berths in 2 cabins with 260L water and 140L fuel capacity.

Verdict

For cruising: The 1990 J/40 is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.

For racing: The 1990 J/40 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.

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Or view individual specs: 1990 J/40 · Dufour 382 Grand Large