2018 Dufour 360 Grand Large vs 1972 Contest 31 — Comparison
1972 Contest 31
Specifications Side by Side
| Specification | 2018 Dufour 360 Grand Large | 1972 Contest 31 |
|---|---|---|
| General | ||
| Manufacturer | Dufour | Contest |
| Year | 2018–2022 | 1972–1982 |
| Type | Sloop | Sloop |
| Country | France | Netherlands |
| Designer | Umberto Felci | Dick Zaal |
| Dimensions | ||
| LOA | 10.30 m (33.8 ft) | 9.45 m (31.0 ft) |
| LWL | 9.55 m (31.3 ft) | 7.62 m (25.0 ft) |
| Beam | 3.55 m (11.6 ft) | 3.05 m (10.0 ft) |
| Draft | 1.90 m (6.2 ft) | 1.52 m (5.0 ft) |
| Weight | ||
| Displacement | 5,900 kg (13,007 lbs) | 4,536 kg (10,000 lbs) |
| Ballast | 1,700 kg (3,748 lbs) | 1,814 kg (3,999 lbs) |
| Sailing | ||
| Sail Area | 56.5 m² (608 ft²) | 39.5 m² (425 ft²) |
| Hull Material | Fiberglass | Steel |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 30 HP | 18 HP |
| Fuel Capacity | 100 L (26.4 gal) | 80 L (21.1 gal) |
| Water Capacity | 200 L (52.8 gal) | 150 L (39.6 gal) |
| Accommodation | ||
| Berths | 6 | 5 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 2018 Dufour 360 Grand Large and 1972 Contest 31 represent two takes on sloop-rigged sailing. The 2018 Dufour 360 Grand Large is a modern design by Dufour from France, while the 1972 Contest 31 is a 1970s offering from Contest from Netherlands. The 2018 Dufour 360 Grand Large was penned by Umberto Felci. The 1972 Contest 31 was designed by Dick Zaal.
In terms of size, the 2018 Dufour 360 Grand Large measures 10.30m (33.8ft) overall with a beam of 3.55m, compared to the 1972 Contest 31 at 9.45m (31.0ft) with a 3.05m beam. The 2018 Dufour 360 Grand Large is 0.85m longer than the 1972 Contest 31. The 2018 Dufour 360 Grand Large displaces approximately 30% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2018 Dufour 360 Grand Large has good sail power for versatile performance with an SA/D ratio of 17.58 and 56.5 m² of sail area. The 1972 Contest 31, with an SA/D of 14.65 and 39.5 m² of canvas, offers modest sail power for its displacement. The 2018 Dufour 360 Grand Large has the edge in terms of raw sailing performance.
For comfort and safety, the 2018 Dufour 360 Grand Large offers a firm, racing-oriented motion (comfort ratio: 17.6) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.79). The 1972 Contest 31 has a comfort ratio of 23.7 and a capsize screening value of 0.74. The ballast ratios are 28.8% for the 2018 Dufour 360 Grand Large and 40.0% for the 1972 Contest 31, reflecting their respective approaches to stability.
Below deck, the 2018 Dufour 360 Grand Large provides 6 berths in 2 cabins with 200L of water capacity and 100L of fuel. The 1972 Contest 31 offers 5 berths in 2 cabins with 150L water and 80L fuel capacity.
Verdict
For cruising: The 1972 Contest 31 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 2018 Dufour 360 Grand Large has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The 2018 Dufour 360 Grand Large 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: 2018 Dufour 360 Grand Large · 1972 Contest 31