2019 Beneteau Oceanis 51.1 vs 2017 Dehler 46 — Comparison

2019 Beneteau Oceanis 51.1 2019 Beneteau Oceanis 51.1
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2017 Dehler 46 2017 Dehler 46

Specifications Side by Side

Specification 2019 Beneteau Oceanis 51.1 2017 Dehler 46
General
Manufacturer Beneteau Dehler
Year 2019 2017
Type Sloop Sloop
Country France Germany
Designer Groupe Finot-Conq Judel/Vrolijk
Dimensions
LOA 15.94 m (52.3 ft) 14.10 m (46.3 ft)
LWL 14.30 m (46.9 ft) 12.80 m (42.0 ft)
Beam 4.80 m (15.7 ft) 4.20 m (13.8 ft)
Draft 2.25 m (7.4 ft) 2.30 m (7.5 ft)
Weight
Displacement 13,500 kg (29,762 lbs) 10,500 kg (23,149 lbs)
Ballast 3,800 kg (8,378 lbs) 3,500 kg (7,716 lbs)
Sailing
Sail Area 108.0 m² (1,163 ft²) 96.0 m² (1,033 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 75 HP 55 HP
Fuel Capacity 200 L (52.8 gal) 130 L (34.3 gal)
Water Capacity 400 L (105.7 gal) 250 L (66.0 gal)
Accommodation
Berths 10 8
Cabins 5 3

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2019 Beneteau Oceanis 51.1
19.35
2017 Dehler 46
20.34
Ballast Ratio (Higher = more stability)
2019 Beneteau Oceanis 51.1
28.15
2017 Dehler 46
33.33
Capsize Ratio (Lower = safer offshore)
2019 Beneteau Oceanis 51.1
0.81
2017 Dehler 46
0.77
Comfort Ratio (Higher = gentler motion)
2019 Beneteau Oceanis 51.1
11.73
2017 Dehler 46
13.71

Detailed Comparison

The 2019 Beneteau Oceanis 51.1 and 2017 Dehler 46 represent two takes on sloop-rigged sailing. The 2019 Beneteau Oceanis 51.1 is a modern design by Beneteau from France, while the 2017 Dehler 46 is a modern offering from Dehler from Germany. The 2019 Beneteau Oceanis 51.1 was penned by Groupe Finot-Conq. The 2017 Dehler 46 was designed by Judel/Vrolijk.

In terms of size, the 2019 Beneteau Oceanis 51.1 measures 15.94m (52.3ft) overall with a beam of 4.80m, compared to the 2017 Dehler 46 at 14.10m (46.3ft) with a 4.20m beam. The 2019 Beneteau Oceanis 51.1 is 1.84m longer than the 2017 Dehler 46. The 2019 Beneteau Oceanis 51.1 displaces approximately 29% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2019 Beneteau Oceanis 51.1 has good sail power for versatile performance with an SA/D ratio of 19.35 and 108.0 m² of sail area. The 2017 Dehler 46, with an SA/D of 20.34 and 96.0 m² of canvas, offers generous sail power for spirited sailing. The 2017 Dehler 46 has the edge in terms of raw sailing performance.

For comfort and safety, the 2019 Beneteau Oceanis 51.1 offers a firm, racing-oriented motion (comfort ratio: 11.7) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.81). The 2017 Dehler 46 has a comfort ratio of 13.7 and a capsize screening value of 0.77. The ballast ratios are 28.2% for the 2019 Beneteau Oceanis 51.1 and 33.3% for the 2017 Dehler 46, reflecting their respective approaches to stability.

Below deck, the 2019 Beneteau Oceanis 51.1 provides 10 berths in 5 cabins with 400L of water capacity and 200L of fuel. The 2017 Dehler 46 offers 8 berths in 3 cabins with 250L water and 130L fuel capacity.

Verdict

For cruising: The 2017 Dehler 46 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 2017 Dehler 46 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 2019 Beneteau Oceanis 51.1 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

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