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Hull Gauge
Recomputed 5 Nov 2026, 03:30 UTC

Beneteau First 42s7vsBeneteau Oceanis 400

Two Beneteau models · used asking prices, listed in Europe and the US

At the same age, the Beneteau Oceanis 400 asks 15% less than the Beneteau First 42s7; on the headline Gauge Values it asks 24% less, which mixes ages: its boats are older (median build year 1994 against 1995). We can't yet say which holds its value better: the Beneteau First 42s7 has no published depreciation curve.

same age · 4 shared build years · 11 and 13 boats in them · Indicative · in today’s prices · asking, not sold

02

Year by year

Each build year's Gauge Estimate, for the 4 years both have boats in. Pooled across those years (11 and 13 boats), the Beneteau Oceanis 400 asks 15% less than the Beneteau First 42s7.

Beneteau First 42s7Year builtBeneteau Oceanis 400
£65,500 (11)
1997−11%
£58,500 (16)
£67,000 (12)
1996−15%
£57,000 (19)
£75,000 (9)
1993−32%
£51,000 (18)
Gauge Estimate by year built · comparable boats in brackets, built within three years either side · — below eight comparable boats; a year where neither has eight is left out · the gap is the right-hand model against the left
03

What your budget buys

£25k£70k£112.5k
Beneteau First 42s7
none
no build year’s Gauge Estimate is at or under £60,000
0
the one boat listed now asks more than £60,000
Beneteau Oceanis 400
1997
newest build year whose Gauge Estimate is at or under £60,000 (£58,500, 16 comparable boats)
16
of the 21 boats we observed were asking £60,000 or less, in today's prices (none listed now)

At £60,000, only the Beneteau Oceanis 400 has a build year within reach.

04

A year of ownership

Each at its Gauge Value, on a South Coast marina berth, 44 engine hours a year (the median of 103 UK-listed sailing boats that report hours). An estimate in pounds from published rates, not a quote.

Beneteau First 42s7MeasureBeneteau Oceanis 400
withheld
Depreciation (not in total)
£3,150
£6,900
Berth
£6,900
£5,050
Maintenance
£3,850
£600
Lift-out and antifoul
£600
£700
Insurance
£500
£550
Fuel
£550
£13,800
Total a year, before depreciation
£12,400 (better)

Each line is the middle of the cited range, to the nearest fifty pounds. Depreciation is a year of age on each model's published curve, at its Gauge Value, and stays out of the totals.

The Beneteau First 42s7 has no published depreciation curve, so its depreciation is withheld.

Sources: Lake Yard price list 2026 · BerthFinder · Boatsetter · Velos Insurance; Admiral Yacht Insurance · Boating Magazine, "Calculating Boat Fuel Consumption" · Littlehampton Marina fuel prices

05

Specification

Beneteau First 42s7MeasureBeneteau Oceanis 400
12.95 m
Length overall
12.12 mfrom listings
Sail
Type
Sail
“from listings” marks figures read from the listings themselves; unmarked figures are from our model register and not yet checked against a builder’s published source.
06

Questions

Which is cheaper, the Beneteau First 42s7 or the Beneteau Oceanis 400?

At the same age the Beneteau Oceanis 400 is cheaper: the Beneteau Oceanis 400 asks 15% less than the Beneteau First 42s7 across 4 shared build years. Their Gauge Values, the median asking prices of all the boats we observed whatever their age, are £67,500 and £51,500.

Which holds its value better?

We can't say yet. The Beneteau Oceanis 400 loses about 6.1% of its asking price a year of age, but the Beneteau First 42s7 has no published depreciation curve: we fit one from at least 20 boats across six build years and publish it only when the fit holds. We have 12 Beneteau First 42s7 boats across 5 build years.

Which spends less time on the market?

Boats of the Beneteau First 42s7 had been listed a median of 74 days when we last saw them, against 239 days for the Beneteau Oceanis 400. That is time listed so far, not time to sell, which we don't measure yet. 0% of the Beneteau Oceanis 400 boats we saw 14 or more days apart cut their asking price; too few Beneteau First 42s7 boats were seen that far apart to say.

How do you compare them like for like?

We compare boats of the same build year. For each of the 4 years both models have boats in, we take the ratio of their median asking prices in today's prices, then pool the years, giving more weight to years with more boats on both sides. The figure is Indicative because the thinner side has 11 boats in those years. The Gauge Values compare the whole fleets instead, so they mix boats of different ages.

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