Beneteau Oceanis 34.1 vs Dufour 310 Grand Large — Comparison

Beneteau Oceanis 34.1
VS
Dufour 310 Grand Large

Specifications Side by Side

SpecificationBeneteau Oceanis 34.1Dufour 310 Grand Large
General
ManufacturerBeneteauDufour
Year20162015–2020
TypeSloopSloop
CountryFranceFrance
DesignerMarc LombardFelci Yacht Design
Dimensions
LOA10.34 m (33.9 ft)9.43 m (30.9 ft)
LWL9.35 m (30.7 ft)8.45 m (27.7 ft)
Beam3.39 m (11.1 ft)3.13 m (10.3 ft)
Draft1.75 m (5.7 ft)1.60 m (5.2 ft)
Weight
Displacement5,200 kg (11,464 lbs)4,150 kg (9,149 lbs)
Ballast1,600 kg (3,527 lbs)1,230 kg (2,712 lbs)
Sailing
Sail Area52.0 m² (560 ft²)40.0 m² (431 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine21 HP15 HP
Fuel Capacity120 L (31.7 gal)80 L (21.1 gal)
Water Capacity200 L (52.8 gal)120 L (31.7 gal)
Accommodation
Berths64
Cabins21

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Beneteau Oceanis 34.1
17.60
Dufour 310 Grand Large
15.74
Ballast Ratio (Higher = more stability)
Beneteau Oceanis 34.1
30.77
Dufour 310 Grand Large
29.64
Capsize Ratio (Lower = safer offshore)
Beneteau Oceanis 34.1
0.78
Dufour 310 Grand Large
0.78
Comfort Ratio (Higher = gentler motion)
Beneteau Oceanis 34.1
16.89
Dufour 310 Grand Large
18.25

Detailed Comparison

The Beneteau Oceanis 34.1 and Dufour 310 Grand Large represent two takes on sloop-rigged sailing. The Beneteau Oceanis 34.1 is a modern design by Beneteau from France, while the Dufour 310 Grand Large is a modern offering from Dufour from France. The Beneteau Oceanis 34.1 was penned by Marc Lombard. The Dufour 310 Grand Large was designed by Felci Yacht Design.

In terms of size, the Beneteau Oceanis 34.1 measures 10.34m (33.9ft) overall with a beam of 3.39m, compared to the Dufour 310 Grand Large at 9.43m (30.9ft) with a 3.13m beam. The Beneteau Oceanis 34.1 is 0.91m longer than the Dufour 310 Grand Large. The Beneteau Oceanis 34.1 displaces approximately 25% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Beneteau Oceanis 34.1 has good sail power for versatile performance with an SA/D ratio of 17.60 and 52.0 m² of sail area. The Dufour 310 Grand Large, with an SA/D of 15.74 and 40.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Beneteau Oceanis 34.1 has the edge in terms of raw sailing performance.

For comfort and safety, the Beneteau Oceanis 34.1 offers a firm, racing-oriented motion (comfort ratio: 16.9) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.78). The Dufour 310 Grand Large has a comfort ratio of 18.3 and a capsize screening value of 0.78. The ballast ratios are 30.8% for the Beneteau Oceanis 34.1 and 29.6% for the Dufour 310 Grand Large, reflecting their respective approaches to stability.

Below deck, the Beneteau Oceanis 34.1 provides 6 berths in 2 cabins with 200L of water capacity and 120L of fuel. The Dufour 310 Grand Large offers 4 berths in 1 cabin with 120L water and 80L fuel capacity.

Verdict

For cruising: The Dufour 310 Grand Large 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 Beneteau Oceanis 34.1 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Beneteau Oceanis 34.1 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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Or view individual specs: Beneteau Oceanis 34.1 · Dufour 310 Grand Large