2018 X-Yachts 4.0 vs Dufour 40 — Comparison
2018 X-Yachts 4.0
Dufour 40
Specifications Side by Side
| Specification | 2018 X-Yachts 4.0 | Dufour 40 |
|---|---|---|
| General | ||
| Manufacturer | X-Yachts | Dufour |
| Year | 2018 | 2007–2012 |
| Type | Sloop | Sloop |
| Country | Denmark | France |
| Designer | Niels Jeppesen | Umberto Felci |
| Dimensions | ||
| LOA | 12.35 m (40.5 ft) | 12.05 m (39.5 ft) |
| LWL | 11.30 m (37.1 ft) | 10.55 m (34.6 ft) |
| Beam | 3.81 m (12.5 ft) | 3.85 m (12.6 ft) |
| Draft | 2.20 m (7.2 ft) | 1.95 m (6.4 ft) |
| Weight | ||
| Displacement | 8,500 kg (18,739 lbs) | 7,800 kg (17,196 lbs) |
| Ballast | 3,200 kg (7,055 lbs) | 2,400 kg (5,291 lbs) |
| Sailing | ||
| Sail Area | 79.0 m² (850 ft²) | 68.0 m² (732 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 40 HP | 40 HP |
| Fuel Capacity | 120 L (31.7 gal) | 160 L (42.3 gal) |
| Water Capacity | 230 L (60.8 gal) | 300 L (79.3 gal) |
| Accommodation | ||
| Berths | 7 | 8 |
| Cabins | 3 | 3 |
Performance Comparison
Detailed Comparison
The 2018 X-Yachts 4.0 and Dufour 40 represent two takes on sloop-rigged sailing. The 2018 X-Yachts 4.0 is a modern design by X-Yachts from Denmark, while the Dufour 40 is a 2000s offering from Dufour from France. The 2018 X-Yachts 4.0 was penned by Niels Jeppesen. The Dufour 40 was designed by Umberto Felci.
In terms of size, the 2018 X-Yachts 4.0 measures 12.35m (40.5ft) overall with a beam of 3.81m, compared to the Dufour 40 at 12.05m (39.5ft) with a 3.85m beam. The 2018 X-Yachts 4.0 is 0.30m longer than the Dufour 40. The 2018 X-Yachts 4.0 displaces approximately 9% more than its counterpart, which significantly affects how each boat handles in different sea states.
Looking at performance, the 2018 X-Yachts 4.0 has good sail power for versatile performance with an SA/D ratio of 19.27 and 79.0 m² of sail area. The Dufour 40, with an SA/D of 17.56 and 68.0 m² of canvas, offers good sail power for versatile performance. The 2018 X-Yachts 4.0 has the edge in terms of raw sailing performance.
For comfort and safety, the 2018 X-Yachts 4.0 offers a firm, racing-oriented motion (comfort ratio: 16.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.75). The Dufour 40 has a comfort ratio of 16.4 and a capsize screening value of 0.78. The ballast ratios are 37.7% for the 2018 X-Yachts 4.0 and 30.8% for the Dufour 40, reflecting their respective approaches to stability.
Below deck, the 2018 X-Yachts 4.0 provides 7 berths in 3 cabins with 230L of water capacity and 120L of fuel. The Dufour 40 offers 8 berths in 3 cabins with 300L water and 160L fuel capacity.
Verdict
For cruising: The Dufour 40 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 X-Yachts 4.0 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: The Dufour 40 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.