Beneteau First Class 8 1994 boat specs
Beneteau
Beneteau First Class 8 1994
1994
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VS
Beneteau Idylle 15.50 1985 boat specs
Beneteau
Beneteau Idylle 15.50 1985
1985
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Beneteau First Class 8 1994 vs Beneteau Idylle 15.50 1985 — Same Brand, Different Boat

The Beneteau First Class 8 1994 vs Beneteau Idylle 15.50 1985 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.

Size is the most obvious dividing line here. The Beneteau Idylle 15.50 1985 measures 51,5 feet overall (1985), giving it roughly 26,1 additional feet of deck space compared to the Beneteau First Class 8 1994 at 25,4 feet (1994). Weight tells a clearer story for trailering families: the Beneteau Idylle 15.50 1985 tips the scales at 33 069 lbs — 29 969 lbs less than the Beneteau First Class 8 1994 at 3 100 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 Idylle 15.50 1985 tops out at 85 hp. Engine specs for the Beneteau First Class 8 1994 aren't listed — confirm with a dealer before selecting an outboard.

For family outings this is probably the sharpest distinction between the two. The Beneteau Idylle 15.50 1985 is rated for 15 passengers, while the Beneteau First Class 8 1994 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Beneteau Idylle 15.50 1985 could be the deciding factor.

Displacement is where these two sailboats genuinely part ways. The Beneteau Idylle 15.50 1985 displaces 33 069 lbs — a 29 969-lb difference over the Beneteau First Class 8 1994 at 3 100 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.

Both boats draw a similar depth — 5,8 ft and 6,0 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.

The Beneteau Idylle 15.50 1985 has a documented auxiliary engine of 85 hp.

Bottom line: The Beneteau Idylle 15.50 1985 is the offshore and bluewater choice — at 33 069 lbs displacement and 52 ft it has the load capacity, range, and seakeeping for extended passages. The Beneteau First Class 8 1994 at 3 100 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.
Measurements / Dimensions
Length overall - Detail25.42 ft
Length overall - Detail51.50 ft
Length - Feet25.42
Length - Feet51.5
Length overall - Meters7.75
Length overall - Meters15.7
Length overall - Inches305
Length overall - Inches618
Beam8.16 ft
Beam14.80 ft
Beam - Meters2.49
Beam - Meters4.51
Beam - Inches98
Beam - Inches178
Draft [max] - Detail5.80 ft
Draft [max] - Detail6.00 ft
Draft [max] - Meters1.77
Draft [max] - Meters1.83
Draft [max] - Inches70
Draft [max] - Inches72
Draft Min2.25 ft
Draft Minnot available
Displacement3100.00 lbs
Displacement33069.00 lbs
Operational Info
Boat typeSail
Boat typeSail
Sleeping capacitynot available
Sleeping capacity6
Cabinsnot available
Cabins3
Headnot available
Head3
Water capacitynot available
Water capacity237.8
Riggingnot available
RiggingMasthead-sloop
Mast Configurationnot available
Mast ConfigurationKeel stepped mast
Body / Hull
Ruddernot available
Rudder1 spade rudder
Helmnot available
Helm1 wheel
Engine and Drivetrain
Fuel tank capacity - Galnot available
Fuel tank capacity - Gal132.1
Fuel tank capacity - Litersnot available
Fuel tank capacity - Liters500.05
Horsepowernot available
Horsepower85 hp
Fuel typenot available
Fuel typeDiesel
Drive typenot available
Drive typeinboard
Performance
Maximum speednot available
Maximum speed8.25
Maximum speed measurenot available
Maximum speed measureknots

Beneteau First Class 8 1994 vs Beneteau Idylle 15.50 1985 — Common Questions

Which is the larger boat — the Beneteau First Class 8 1994 or the Beneteau Idylle 15.50 1985?
The Beneteau Idylle 15.50 1985 is the longer of the two at 51,5 feet overall. The Beneteau First Class 8 1994 comes in at 25,4 feet, making it roughly 26,1 ft shorter — a meaningful difference in deck room and overall on-water presence.
Which is easier to trailer — the Beneteau First Class 8 1994 or the Beneteau Idylle 15.50 1985?
For trailering, the Beneteau First Class 8 1994 has the edge at 3 100 lbs dry weight versus 33 069 lbs for the Beneteau Idylle 15.50 1985. Add a motor (typically 300–500 lbs for an outboard in this class), gear, and a partial fuel load and the difference grows. Lighter is friendlier on smaller tow vehicles and on fuel economy while hauling.
What is the maximum horsepower rating for these boats?
The Beneteau Idylle 15.50 1985 has a documented max rating of 85 hp. Engine specifications for the Beneteau First Class 8 1994 were not available in our database — check the OEM spec sheet or manufacturer's website for confirmation.
How many people can each boat hold?
The Beneteau First Class 8 1994 is Coast Guard rated for 7 passengers, while the Beneteau Idylle 15.50 1985 is certified for 15. Note that legal capacity and comfortable capacity aren't always the same thing — on a full day out, most experienced boaters aim for about 80% of the rated number to keep things comfortable.
Which boat has the deeper draft — the Beneteau First Class 8 1994 or the Beneteau Idylle 15.50 1985?
The Beneteau Idylle 15.50 1985 has the deeper draft at 6,0 ft, versus 5,8 ft for the Beneteau First Class 8 1994. A deeper draft generally means better upwind performance and stability, but limits access to shallow anchorages and some marina berths. Always check the controlling depth of your home port and favourite cruising grounds before committing.
Is the Beneteau First Class 8 1994 or the Beneteau Idylle 15.50 1985 better suited for offshore sailing?
For offshore work, displacement and construction are the primary indicators. The Beneteau Idylle 15.50 1985 at 33 069 lbs displacement is the heavier, more load-carrying design — generally better suited to extended passages where seakeeping and provisioning capacity matter most. The Beneteau First Class 8 1994 at 3 100 lbs will typically be livelier and more responsive in lighter conditions.
Which boat is wider, and does it affect trailering?
The Beneteau Idylle 15.50 1985 measures 178" wide, compared to 98" for the Beneteau First Class 8 1994. The US standard-width towing limit is 8’6" (102") in most states — anything over that may need a wide-load permit. Confirm your specific route requirements with each state's DOT.
Are the Beneteau First Class 8 1994 and Beneteau Idylle 15.50 1985 from the same manufacturer?
Yes — both the Beneteau First Class 8 1994 and the Beneteau Idylle 15.50 1985 are built by Beneteau. That means shared dealer networks, common parts availability, and consistent build quality across the line. The choice between them is essentially a question of how much boat you need, not which brand you trust.