The Nautor Swan Swan 37 1970 vs Nautor Swan Swan 371 1979 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 — Nautor Swan Swan 37 1970 at 36,5 ft versus Nautor Swan Swan 371 1979 at 36,1 ft. At 15 432 lbs and 15 432 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
Both boats are rated for 11 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Both boats sit in a similar displacement bracket — 15 432 lbs for the Nautor Swan Swan 37 1970 and 15 432 lbs for the Nautor Swan Swan 371 1979. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.
Both boats draw a similar depth — 6,5 ft and 6,1 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
The Nautor Swan Swan 37 1970 uses Sloop rigging. Helm style differs too: the Nautor Swan Swan 37 1970 uses a 1 tiller versus a 1 wheel on the Nautor Swan Swan 371 1979. Wheel helms give better leverage and visibility on larger boats; tillers offer direct feedback and simplicity on smaller ones.
Hull speed is rated at 7,3 knots for the Nautor Swan Swan 371 1979 and 7,0 knots for the Nautor Swan Swan 37 1970. For extended cruising, water capacity matters: the Nautor Swan Swan 371 1979 carries 66 gallons versus 48 gallons on the Nautor Swan Swan 37 1970 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.
Bottom line: The Nautor Swan Swan 37 1970 and Nautor Swan Swan 371 1979 are closely matched on paper. A sea trial on both in representative conditions is the only reliable way to find which one suits your sailing style, home port, and intended cruising ground.