2007 Dufour 425 Grand Large vs 2005 Dehler 34 — Comparison

2007 Dufour 425 Grand Large
VS
2005 Dehler 342005 Dehler 34

Specifications Side by Side

Specification2007 Dufour 425 Grand Large2005 Dehler 34
General
ManufacturerDufourDehler
Year2007–20122005–2012
TypeSloopSloop
CountryFranceGermany
DesignerUmberto FelciJudel/Vrolijk
Dimensions
LOA12.77 m (41.9 ft)10.30 m (33.8 ft)
LWL11.12 m (36.5 ft)9.10 m (29.9 ft)
Beam4.01 m (13.2 ft)3.25 m (10.7 ft)
Draft2.00 m (6.6 ft)1.80 m (5.9 ft)
Weight
Displacement9,000 kg (19,842 lbs)4,800 kg (10,582 lbs)
Ballast2,800 kg (6,173 lbs)1,700 kg (3,748 lbs)
Sailing
Sail Area77.0 m² (829 ft²)50.0 m² (538 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine40 HP18 HP
Fuel Capacity140 L (37.0 gal)50 L (13.2 gal)
Water Capacity280 L (74.0 gal)100 L (26.4 gal)
Accommodation
Berths86
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2007 Dufour 425 Grand Large
18.08
2005 Dehler 34
17.85
Ballast Ratio (Higher = more stability)
2007 Dufour 425 Grand Large
31.11
2005 Dehler 34
35.42
Capsize Ratio (Lower = safer offshore)
2007 Dufour 425 Grand Large
0.77
2005 Dehler 34
0.77
Comfort Ratio (Higher = gentler motion)
2007 Dufour 425 Grand Large
16.12
2005 Dehler 34
17.15

Detailed Comparison

The 2007 Dufour 425 Grand Large and 2005 Dehler 34 represent two takes on sloop-rigged sailing. The 2007 Dufour 425 Grand Large is a 2000s design by Dufour from France, while the 2005 Dehler 34 is a 2000s offering from Dehler from Germany. The 2007 Dufour 425 Grand Large was penned by Umberto Felci. The 2005 Dehler 34 was designed by Judel/Vrolijk.

In terms of size, the 2007 Dufour 425 Grand Large measures 12.77m (41.9ft) overall with a beam of 4.01m, compared to the 2005 Dehler 34 at 10.30m (33.8ft) with a 3.25m beam. The 2007 Dufour 425 Grand Large is 2.47m longer than the 2005 Dehler 34. The 2007 Dufour 425 Grand Large displaces approximately 88% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2007 Dufour 425 Grand Large has good sail power for versatile performance with an SA/D ratio of 18.08 and 77.0 m² of sail area. The 2005 Dehler 34, with an SA/D of 17.85 and 50.0 m² of canvas, offers good sail power for versatile performance. The 2007 Dufour 425 Grand Large has the edge in terms of raw sailing performance.

For comfort and safety, the 2007 Dufour 425 Grand Large offers a firm, racing-oriented motion (comfort ratio: 16.1) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 2005 Dehler 34 has a comfort ratio of 17.2 and a capsize screening value of 0.77. The ballast ratios are 31.1% for the 2007 Dufour 425 Grand Large and 35.4% for the 2005 Dehler 34, reflecting their respective approaches to stability.

Below deck, the 2007 Dufour 425 Grand Large provides 8 berths in 3 cabins with 280L of water capacity and 140L of fuel. The 2005 Dehler 34 offers 6 berths in 2 cabins with 100L water and 50L fuel capacity.

Verdict

For cruising: The 2005 Dehler 34 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 2007 Dufour 425 Grand Large has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 2007 Dufour 425 Grand Large offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

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