The Beneteau 34.7 Deep draft 2005 vs Beneteau Oceanis 311 1997 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 34.7 Deep draft 2005 at 34,0 ft versus Beneteau Oceanis 311 1997 at 32,4 ft. Weight tells a clearer story for trailering families: the Beneteau 34.7 Deep draft 2005 tips the scales at 9 965 lbs — 1 918 lbs more than the Beneteau Oceanis 311 1997 at 8 047 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 Beneteau 34.7 Deep draft 2005 carries a rated maximum of 21 hp. Engine data for the Beneteau Oceanis 311 1997 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Both carry nearly identical fuel loads — 20 gal and 19 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Beneteau 34.7 Deep draft 2005 is rated for 10 passengers, while the Beneteau Oceanis 311 1997 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Beneteau 34.7 Deep draft 2005 could be the deciding factor.

Both boats sit in a similar displacement bracket — 9 965 lbs for the Beneteau 34.7 Deep draft 2005 and 8 047 lbs for the Beneteau Oceanis 311 1997. 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 34.7 Deep draft 2005 draws 6,7 ft, compared to 4,1 ft for the Beneteau Oceanis 311 1997. That 2,6-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 Beneteau 34.7 Deep draft 2005 uses Sloop rigging. The Beneteau 34.7 Deep draft 2005 has a documented auxiliary engine of 21 hp.

Hull speed is rated at 7,2 knots for the Beneteau Oceanis 311 1997 and 7,2 knots for the Beneteau 34.7 Deep draft 2005. For extended cruising, water capacity matters: the Beneteau Oceanis 311 1997 carries 53 gallons versus 26 gallons on the Beneteau 34.7 Deep draft 2005 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.