What the sailing models do better
The sailing range, from the Sunreef 50 to the 100, suits owners who enjoy passage-making and want the option of moving without burning fuel. At anchor the platforms are comparable; under way, a sailing catamaran changes the rhythm of a cruise. Longer distances become part of the holiday rather than a transfer.
Sailing models carry the rig, sails and winches as additional systems to maintain, and they need crew who can actually sail them. On the larger models this is rarely a constraint, but on a 50 or 60 it shapes who you hire.
What the power models do better
The 60, 70, 80 and 100 Sunreef Power are double-deck power catamarans built for point-to-point cruising. Without a rig, the flybridge becomes a full deck of living space, and the yachts keep a steady schedule regardless of wind. For owners who cruise to a timetable, that predictability is the point.
Fuel capacity and range are generous by power-catamaran standards, but fuel burn is the standing cost of the format. Engine hours and the quality of the service log are the first things to read on any pre-owned power yacht.
Volume, berths and crew
At the same length, a power Sunreef typically offers more usable deck volume because nothing is given to sailing gear. Berth requirements are similar, since beam drives marina pricing more than propulsion type. Crew counts are comparable too: plan on one to two crew up to about 60 feet, and around four on an 80.
If you are undecided, the honest test is your last three holidays: if you sailed because you enjoy sailing, buy the sailing yacht. If you sailed to get somewhere, buy the power yacht.
Where Eco fits
The Eco specification sits across both ranges and changes the systems architecture rather than the format. A sailing Eco keeps her rig and adds electric propulsion and solar; a power Eco trades conventional shafts for electric motors and battery banks. See the Eco guide for what to check on a pre-owned example.