When we was in the project phase of "Long-cours 62" we thinking also power catamaran, we visited "Prometa" boatyard to see his Santorini 65 who was in the stage of building the hull.
Unfortunately the alloy hull of 65 feet was to expensive for us, he show to us the "Ligure 50" who was built as a project boat but we want something with a longer wl. We ask to Mr Fèvre for a "smaller "Santorini" at 60'...
Finally we don't find an accord on the hull price , but in my point of view the Santorini 65' it is one of the few who can challenge the consumption of a good monohull.
When I look at the graph posted by "Blue Ligure"
forget the name
it seam very rare the catamaran who use 1lt per nm as the Santorini
Santorini 11 kts and 1.65lt nm or 18.15 lt per hour or 4.79 ul gallon per hour at 11kts