2010 Jeanneau Sun 2500 vs 1979 O'Day 28 — Comparison

2010 Jeanneau Sun 2500
VS
1979 O'Day 281979 O'Day 28

Specifications Side by Side

Specification2010 Jeanneau Sun 25001979 O'Day 28
General
ManufacturerJeanneauO'Day
Year2010–20161979–1985
TypeSloopSloop
CountryFranceUSA
DesignerDaniel AndrieuC. Raymond Hunt
Dimensions
LOA7.35 m (24.1 ft)8.53 m (28.0 ft)
LWL6.45 m (21.2 ft)7.01 m (23.0 ft)
Beam2.74 m (9.0 ft)2.84 m (9.3 ft)
Draft1.30 m (4.3 ft)1.37 m (4.5 ft)
Weight
Displacement1,950 kg (4,299 lbs)2,722 kg (6,001 lbs)
Ballast700 kg (1,543 lbs)1,089 kg (2,401 lbs)
Sailing
Sail Area28.5 m² (307 ft²)31.0 m² (334 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinFin
Engine & Tanks
Engine10 HP10 HP
Fuel Capacity25 L (6.6 gal)38 L (10.0 gal)
Water Capacity50 L (13.2 gal)57 L (15.1 gal)
Accommodation
Berths55
Cabins11

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
2010 Jeanneau Sun 2500
18.56
1979 O'Day 28
16.16
Ballast Ratio (Higher = more stability)
2010 Jeanneau Sun 2500
35.90
1979 O'Day 28
40.01
Capsize Ratio (Lower = safer offshore)
2010 Jeanneau Sun 2500
0.88
1979 O'Day 28
0.81
Comfort Ratio (Higher = gentler motion)
2010 Jeanneau Sun 2500
17.33
1979 O'Day 28
18.69

Detailed Comparison

The 2010 Jeanneau Sun 2500 and 1979 O'Day 28 represent two takes on sloop-rigged sailing. The 2010 Jeanneau Sun 2500 is a modern design by Jeanneau from France, while the 1979 O'Day 28 is a 1970s offering from O'Day from USA. The 2010 Jeanneau Sun 2500 was penned by Daniel Andrieu. The 1979 O'Day 28 was designed by C. Raymond Hunt.

In terms of size, the 2010 Jeanneau Sun 2500 measures 7.35m (24.1ft) overall with a beam of 2.74m, compared to the 1979 O'Day 28 at 8.53m (28.0ft) with a 2.84m beam. The 1979 O'Day 28 is 1.18m longer than the 2010 Jeanneau Sun 2500. The 1979 O'Day 28 displaces approximately 40% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 2010 Jeanneau Sun 2500 has good sail power for versatile performance with an SA/D ratio of 18.56 and 28.5 m² of sail area. The 1979 O'Day 28, with an SA/D of 16.16 and 31.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 2010 Jeanneau Sun 2500 has the edge in terms of raw sailing performance.

For comfort and safety, the 2010 Jeanneau Sun 2500 offers a firm, racing-oriented motion (comfort ratio: 17.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.88). The 1979 O'Day 28 has a comfort ratio of 18.7 and a capsize screening value of 0.81. The ballast ratios are 35.9% for the 2010 Jeanneau Sun 2500 and 40.0% for the 1979 O'Day 28, reflecting their respective approaches to stability.

Below deck, the 2010 Jeanneau Sun 2500 provides 5 berths in 1 cabin with 50L of water capacity and 25L of fuel. The 1979 O'Day 28 offers 5 berths in 1 cabin with 57L water and 38L fuel capacity.

Verdict

For cruising: The 1979 O'Day 28 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 2010 Jeanneau Sun 2500 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: 2010 Jeanneau Sun 2500 · 1979 O'Day 28