The Sealegs 7.1M Commercial RIB 2022 vs Sealegs 7.5M Amphibious RIB 2020 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 Commercial RIB 2022 at 23,5 ft versus Sealegs 7.5M Amphibious RIB 2020 at 24,1 ft. Weight tells a clearer story for trailering families: the Sealegs 7.5M Amphibious RIB 2020 tips the scales at 3 527 lbs — 242 lbs less than the Sealegs 7.1M Commercial 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 Amphibious RIB 2020 has a 50-hp advantage over the Sealegs 7.1M Commercial 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 Amphibious RIB 2020 carries 48 gallons versus 21 gallons in the Sealegs 7.1M Commercial 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: Performance buyers should lean toward the Sealegs 7.5M Amphibious RIB 2020 and its 200-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the Sealegs 7.1M Commercial RIB 2022 with its 150-hp rating is the more economical daily driver.