The Spectre 36 Catamaran 2006 vs Spectre 428sc 2010 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.
Both boats are rated for 6 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Spectre 428sc 2010 at 42,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Spectre 36 Catamaran 2006 at 35,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.