Lagoon 42vsLagoon 450
Two Lagoon models · used asking prices, listed in Europe and the US
At the same age, the Lagoon 450 asks 12% more than the Lagoon 42; on the headline Gauge Values it asks about the same, which mixes ages: its boats are older (median build year 2016 against 2019). The Lagoon 450 holds its value better (2.0% a year of age, against 4.7%).
same age · 9 shared build years · 27 and 26 boats in them · Firm · in today’s prices · asking, not sold
Head to head
The better figure on each line is in orange. Where either side has too few boats, we say so rather than pick a winner.
Year by year
Each build year's Gauge Estimate, for the 9 years both have boats in. Pooled across those years (27 and 26 boats), the Lagoon 450 asks 12% more than the Lagoon 42.
What your budget buys
At £320,000 your money buys 3 years newer in the Lagoon 42: a 2020 against a 2017.
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.
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.
Sources: Lake Yard price list 2026 · BerthFinder · Boatsetter · Velos Insurance; Admiral Yacht Insurance · Boating Magazine, "Calculating Boat Fuel Consumption" · Littlehampton Marina fuel prices
Specification
Questions
Which is cheaper, the Lagoon 42 or the Lagoon 450?
At the same age the Lagoon 42 is cheaper: the Lagoon 450 asks 12% more than the Lagoon 42 across 9 shared build years. Their Gauge Values, the median asking prices of all the boats we observed whatever their age, are £324,000 and £324,500.
Which holds its value better?
The Lagoon 450: it loses about 2.0% of its asking price a year of age, against 4.7% for the Lagoon 42. Both rates come from each model's published depreciation curve.
Which spends less time on the market?
Boats of the Lagoon 42 had been listed a median of 650 days when we last saw them, against 1,668 days for the Lagoon 450. That is time listed so far, not time to sell, which we don't measure yet. 58% of the Lagoon 42 boats we saw 14 or more days apart cut their asking price, against 63% of the Lagoon 450 boats.
How do you compare them like for like?
We compare boats of the same build year. For each of the 9 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 Firm because the thinner side has 26 boats in those years. The Gauge Values compare the whole fleets instead, so they mix boats of different ages.