The Amels Madame Kate 2015 vs Amels Moonstone 2021 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.
On paper these two are close siblings in the size department — Amels Madame Kate 2015 at 197,0 ft versus Amels Moonstone 2021 at 197,0 ft. Weight tells a clearer story for trailering families: the Amels Madame Kate 2015 tips the scales at 2 240 000 lbs — 210 000 lbs more than the Amels Moonstone 2021 at 2 030 000 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
The power gap is worth calling out. Rated to 2 012 hp, the Amels Madame Kate 2015 has a 161-hp advantage over the Amels Moonstone 2021's 1 851-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
Both boats are rated for 60 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: Performance buyers should lean toward the Amels Madame Kate 2015 and its 2 012-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Amels Moonstone 2021 with its 1 851-hp rating is the more economical daily driver.