Dufour 45E vs 1988 Valiant Esprit 37 — Comparison

Dufour 45EDufour 45E
VS
1988 Valiant Esprit 37

Specifications Side by Side

SpecificationDufour 45E1988 Valiant Esprit 37
General
ManufacturerDufourValiant
Year2008–20111988–1996
TypeSloopSloop
CountryFranceUSA
DesignerUmberto FelciBob Perry
Dimensions
LOA13.80 m (45.3 ft)11.28 m (37.0 ft)
LWL11.90 m (39.0 ft)9.14 m (30.0 ft)
Beam4.20 m (13.8 ft)3.47 m (11.4 ft)
Draft2.10 m (6.9 ft)1.65 m (5.4 ft)
Weight
Displacement10,500 kg (23,149 lbs)7,257 kg (15,999 lbs)
Ballast3,200 kg (7,055 lbs)2,948 kg (6,499 lbs)
Sailing
Sail Area88.0 m² (947 ft²)58.0 m² (624 ft²)
Hull MaterialFiberglassFiberglass
Keel TypeFinModified full
Engine & Tanks
Engine55 HP35 HP
Fuel Capacity200 L (52.8 gal)132 L (34.9 gal)
Water Capacity380 L (100.4 gal)246 L (65.0 gal)
Accommodation
Berths86
Cabins32

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
Dufour 45E
18.64
1988 Valiant Esprit 37
15.72
Ballast Ratio (Higher = more stability)
Dufour 45E
30.48
1988 Valiant Esprit 37
40.62
Capsize Ratio (Lower = safer offshore)
Dufour 45E
0.77
1988 Valiant Esprit 37
0.72
Comfort Ratio (Higher = gentler motion)
Dufour 45E
15.34
1988 Valiant Esprit 37
22.22

Detailed Comparison

The Dufour 45E and 1988 Valiant Esprit 37 represent two takes on sloop-rigged sailing. The Dufour 45E is a 2000s design by Dufour from France, while the 1988 Valiant Esprit 37 is a 1980s offering from Valiant from USA. The Dufour 45E was penned by Umberto Felci. The 1988 Valiant Esprit 37 was designed by Bob Perry.

In terms of size, the Dufour 45E measures 13.80m (45.3ft) overall with a beam of 4.20m, compared to the 1988 Valiant Esprit 37 at 11.28m (37.0ft) with a 3.47m beam. The Dufour 45E is 2.52m longer than the 1988 Valiant Esprit 37. The Dufour 45E displaces approximately 45% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the Dufour 45E has good sail power for versatile performance with an SA/D ratio of 18.64 and 88.0 m² of sail area. The 1988 Valiant Esprit 37, with an SA/D of 15.72 and 58.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Dufour 45E has the edge in terms of raw sailing performance.

For comfort and safety, the Dufour 45E offers a firm, racing-oriented motion (comfort ratio: 15.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.77). The 1988 Valiant Esprit 37 has a comfort ratio of 22.2 and a capsize screening value of 0.72. The ballast ratios are 30.5% for the Dufour 45E and 40.6% for the 1988 Valiant Esprit 37, reflecting their respective approaches to stability.

Below deck, the Dufour 45E provides 8 berths in 3 cabins with 380L of water capacity and 200L of fuel. The 1988 Valiant Esprit 37 offers 6 berths in 2 cabins with 246L water and 132L fuel capacity.

Verdict

For cruising: The 1988 Valiant Esprit 37 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 Dufour 45E 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 45E 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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