1979 O'Day 25 vs Beneteau First 27 — Comparison

1979 O'Day 251979 O'Day 25
VS
Beneteau First 27

Specifications Side by Side

Specification1979 O'Day 25Beneteau First 27
General
ManufacturerO'DayBeneteau
Year1979–19841990–1994
TypeSloopSloop
CountryUSAFrance
DesignerC. Raymond HuntJean Berret
Dimensions
LOA7.62 m (25.0 ft)8.19 m (26.9 ft)
LWL6.25 m (20.5 ft)7.21 m (23.7 ft)
Beam2.74 m (9.0 ft)2.79 m (9.2 ft)
Draft1.07 m (3.5 ft)1.55 m (5.1 ft)
Weight
Displacement1,769 kg (3,900 lbs)2,400 kg (5,291 lbs)
Ballast726 kg (1,601 lbs)850 kg (1,874 lbs)
Sailing
Sail Area27.2 m² (293 ft²)35.0 m² (377 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine7 HP9 HP
Fuel Capacity30 L (7.9 gal)40 L (10.6 gal)
Water Capacity45 L (11.9 gal)70 L (18.5 gal)
Accommodation
Berths55
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 O'Day 25
18.90
Beneteau First 27
19.84
Ballast Ratio (Higher = more stability)
1979 O'Day 25
41.04
Beneteau First 27
35.42
Capsize Ratio (Lower = safer offshore)
1979 O'Day 25
0.91
Beneteau First 27
0.83
Comfort Ratio (Higher = gentler motion)
1979 O'Day 25
16.00
Beneteau First 27
16.70

Detailed Comparison

The 1979 O'Day 25 and Beneteau First 27 represent two takes on sloop-rigged sailing. The 1979 O'Day 25 is a 1970s design by O'Day from USA, while the Beneteau First 27 is a 1990s offering from Beneteau from France. The 1979 O'Day 25 was penned by C. Raymond Hunt. The Beneteau First 27 was designed by Jean Berret.

In terms of size, the 1979 O'Day 25 measures 7.62m (25.0ft) overall with a beam of 2.74m, compared to the Beneteau First 27 at 8.19m (26.9ft) with a 2.79m beam. The Beneteau First 27 is 0.57m longer than the 1979 O'Day 25. The Beneteau First 27 displaces approximately 36% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1979 O'Day 25 has good sail power for versatile performance with an SA/D ratio of 18.90 and 27.2 m² of sail area. The Beneteau First 27, with an SA/D of 19.84 and 35.0 m² of canvas, offers good sail power for versatile performance. The Beneteau First 27 has the edge in terms of raw sailing performance.

For comfort and safety, the 1979 O'Day 25 offers a firm, racing-oriented motion (comfort ratio: 16.0) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.91). The Beneteau First 27 has a comfort ratio of 16.7 and a capsize screening value of 0.83. The ballast ratios are 41.0% for the 1979 O'Day 25 and 35.4% for the Beneteau First 27, reflecting their respective approaches to stability.

Below deck, the 1979 O'Day 25 provides 5 berths in 1 cabin with 45L of water capacity and 30L of fuel. The Beneteau First 27 offers 5 berths in 1 cabin with 70L water and 40L fuel capacity.

Verdict

For cruising: The Beneteau First 27 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 First 27 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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