The Dufour Yachts 42 1985 vs Dufour Yachts 45e 2008 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
On paper these two are close siblings in the size department — Dufour Yachts 42 1985 at 42,2 ft versus Dufour Yachts 45e 2008 at 45,1 ft. Weight tells a clearer story for trailering families: the Dufour Yachts 45e 2008 tips the scales at 24 068 lbs — 7 533 lbs less than the Dufour Yachts 42 1985 at 16 535 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
Both boats share a closely matched power ceiling — 43 hp for the Dufour Yachts 42 1985 and 55 hp for the Dufour Yachts 45e 2008. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Dufour Yachts 45e 2008 carries 66 gallons versus 42 gallons in the Dufour Yachts 42 1985. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Dufour Yachts 45e 2008 is rated for 13 passengers, while the Dufour Yachts 42 1985 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Dufour Yachts 45e 2008 could be the deciding factor.
Displacement is where these two sailboats genuinely part ways. The Dufour Yachts 45e 2008 displaces 24 068 lbs — a 7 533-lb difference over the Dufour Yachts 42 1985 at 16 535 lbs. That gap separates two entirely different categories of sailing: the heavier boat is built for offshore passage-making and load-carrying, while the lighter hull rewards performance sailing and easier handling in lighter air.
Draft is a practical consideration that many buyers underestimate until they're already at the marina. The Dufour Yachts 42 1985 draws 7,6 ft, compared to 6,5 ft for the Dufour Yachts 45e 2008. That 1,1-foot difference affects which anchorages you can access, which haul-out facilities will take you, and how carefully you need to read the tide tables in shallower cruising grounds.
The Dufour Yachts 42 1985 uses Sloop rigging. Helm style differs too: the Dufour Yachts 42 1985 uses a 1 wheel versus a 2 wheels on the Dufour Yachts 45e 2008. Wheel helms give better leverage and visibility on larger boats; tillers offer direct feedback and simplicity on smaller ones. For auxiliary power the Dufour Yachts 45e 2008 carries a 55-hp engine against 43 hp on the Dufour Yachts 42 1985. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.
Hull speed is rated at 8,5 knots for the Dufour Yachts 45e 2008 and 8,0 knots for the Dufour Yachts 42 1985. For extended cruising, water capacity matters: the Dufour Yachts 45e 2008 carries 151 gallons versus 106 gallons on the Dufour Yachts 42 1985 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.
Bottom line: The Dufour Yachts 45e 2008 is the offshore and bluewater choice — at 24 068 lbs displacement and 45 ft it has the load capacity, range, and seakeeping for extended passages. The Dufour Yachts 42 1985 at 16 535 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.