The Beneteau Antares 9.80 2005 vs Beneteau Oceanis 320 1987 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 — Beneteau Antares 9.80 2005 at 30,0 ft versus Beneteau Oceanis 320 1987 at 31,6 ft. Weight tells a clearer story for trailering families: the Beneteau Antares 9.80 2005 tips the scales at 9 523 lbs — 705 lbs more than the Beneteau Oceanis 320 1987 at 8 818 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.

The power gap is worth calling out. Rated to 260 hp, the Beneteau Antares 9.80 2005 has a 242-hp advantage over the Beneteau Oceanis 320 1987's 18-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Beneteau Antares 9.80 2005 carries 106 gallons versus 13 gallons in the Beneteau Oceanis 320 1987. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

Both boats are rated for 9 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 — 9 523 lbs for the Beneteau Antares 9.80 2005 and 8 818 lbs for the Beneteau Oceanis 320 1987. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.

Draft is a practical consideration that many buyers underestimate until they're already at the marina. The Beneteau Oceanis 320 1987 draws 4,7 ft, compared to 2,7 ft for the Beneteau Antares 9.80 2005. That 2,0-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.

For auxiliary power the Beneteau Antares 9.80 2005 carries a 260-hp engine against 18 hp on the Beneteau Oceanis 320 1987. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.

For extended cruising, water capacity matters: the Beneteau Oceanis 320 1987 carries 40 gallons versus 25 gallons on the Beneteau Antares 9.80 2005 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.