The SeaArk 1860 MVTPD 2005 vs SeaArk RXV 186 2013 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 — SeaArk 1860 MVTPD 2005 at 18,0 ft versus SeaArk RXV 186 2013 at 18,5 ft. Weight tells a clearer story for trailering families: the SeaArk 1860 MVTPD 2005 tips the scales at 615 lbs — 606 lbs more than the SeaArk RXV 186 2013 at 9 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 90 hp, the SeaArk RXV 186 2013 has a 30-hp advantage over the SeaArk 1860 MVTPD 2005's 60-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The SeaArk 1860 MVTPD 2005 is rated for 7 passengers, while the SeaArk RXV 186 2013 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the SeaArk 1860 MVTPD 2005 could be the deciding factor.
Bottom line: Choose the SeaArk 1860 MVTPD 2005 if your priority is putting more people on the water — it handles 7 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The SeaArk RXV 186 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.