1979 O'Day 25 vs 1984 Dehler 25 — Comparison
1979 O'Day 25
Specifications Side by Side
| Specification | 1979 O'Day 25 | 1984 Dehler 25 |
|---|---|---|
| General | ||
| Manufacturer | O'Day | Dehler |
| Year | 1979–1984 | 1984–1992 |
| Type | Sloop | Sloop |
| Country | USA | Germany |
| Designer | C. Raymond Hunt | E.G. van de Stadt |
| Dimensions | ||
| LOA | 7.62 m (25.0 ft) | 7.50 m (24.6 ft) |
| LWL | 6.25 m (20.5 ft) | 6.30 m (20.7 ft) |
| Beam | 2.74 m (9.0 ft) | 2.50 m (8.2 ft) |
| Draft | 1.07 m (3.5 ft) | 1.35 m (4.4 ft) |
| Weight | ||
| Displacement | 1,769 kg (3,900 lbs) | 1,800 kg (3,968 lbs) |
| Ballast | 726 kg (1,601 lbs) | 680 kg (1,499 lbs) |
| Sailing | ||
| Sail Area | 27.2 m² (293 ft²) | 22.5 m² (242 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 7 HP | 8 HP |
| Fuel Capacity | 30 L (7.9 gal) | 25 L (6.6 gal) |
| Water Capacity | 45 L (11.9 gal) | 40 L (10.6 gal) |
| Accommodation | ||
| Berths | 5 | 4 |
| Cabins | 1 | 1 |
Performance Comparison
Detailed Comparison
The 1979 O'Day 25 and 1984 Dehler 25 represent two takes on sloop-rigged sailing. The 1979 O'Day 25 is a 1970s design by O'Day from USA, while the 1984 Dehler 25 is a 1980s offering from Dehler from Germany. The 1979 O'Day 25 was penned by C. Raymond Hunt. The 1984 Dehler 25 was designed by E.G. van de Stadt.
In terms of size, the 1979 O'Day 25 measures 7.62m (25.0ft) overall with a beam of 2.74m, compared to the 1984 Dehler 25 at 7.50m (24.6ft) with a 2.50m beam. The 1979 O'Day 25 is 0.12m longer than the 1984 Dehler 25. The 1984 Dehler 25 displaces approximately 2% 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 1984 Dehler 25, with an SA/D of 15.46 and 22.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The 1979 O'Day 25 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 1984 Dehler 25 has a comfort ratio of 18.4 and a capsize screening value of 0.82. The ballast ratios are 41.0% for the 1979 O'Day 25 and 37.8% for the 1984 Dehler 25, 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 1984 Dehler 25 offers 4 berths in 1 cabin with 40L water and 25L fuel capacity.
Verdict
For cruising: The 1984 Dehler 25 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 1979 O'Day 25 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 1979 O'Day 25 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
Looking for a different matchup? Browse All Boats
Or view individual specs: 1979 O'Day 25 · 1984 Dehler 25