The AB-Inflatables Alumina 18 ALX 2016 vs AB-Inflatables Oceanus 19 VST 2005 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 — AB-Inflatables Alumina 18 ALX 2016 at 18,0 ft versus AB-Inflatables Oceanus 19 VST 2005 at 19,0 ft. Weight tells a clearer story for trailering families: the AB-Inflatables Oceanus 19 VST 2005 tips the scales at 1 252 lbs — 357 lbs less than the AB-Inflatables Alumina 18 ALX 2016 at 895 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 115 hp, the AB-Inflatables Oceanus 19 VST 2005 has a 25-hp advantage over the AB-Inflatables Alumina 18 ALX 2016's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
Both boats are rated for 5 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 AB-Inflatables Oceanus 19 VST 2005 and its 115-hp ceiling. If fuel economy and quieter running matter more than top-end speed, the AB-Inflatables Alumina 18 ALX 2016 with its 90-hp rating is the more economical daily driver.