The Sealegs 7.1M Sport RIB 2022 vs Sealegs 7.5M Alloy 2022 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 — Sealegs 7.1M Sport RIB 2022 at 23,5 ft versus Sealegs 7.5M Alloy 2022 at 25,6 ft. Weight tells a clearer story for trailering families: the Sealegs 7.5M Alloy 2022 tips the scales at 3 527 lbs — 242 lbs less than the Sealegs 7.1M Sport RIB 2022 at 3 285 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 200 hp, the Sealegs 7.5M Alloy 2022 has a 50-hp advantage over the Sealegs 7.1M Sport RIB 2022's 150-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sealegs 7.5M Alloy 2022 carries 48 gallons versus 21 gallons in the Sealegs 7.1M Sport RIB 2022. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 7 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 Sealegs 7.5M Alloy 2022 at 25,6 ft is the right call if deck space, comfort, and entertaining are top of your list. The Sealegs 7.1M Sport RIB 2022 at 23,5 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.