Matching a tunnel SeaArk 1660 MVT Rescue 2010 against a modified vee SeaArk Stealth 186 2010 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department — SeaArk 1660 MVT Rescue 2010 at 16,0 ft versus SeaArk Stealth 186 2010 at 18,5 ft. At 62 lbs and 11 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 140 hp, the SeaArk Stealth 186 2010 has a 90-hp advantage over the SeaArk 1660 MVT Rescue 2010's 50-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 1660 MVT Rescue 2010 is rated for 6 passengers, while the SeaArk Stealth 186 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the SeaArk 1660 MVT Rescue 2010 could be the deciding factor.
Bottom line: Choose the SeaArk 1660 MVT Rescue 2010 if your priority is putting more people on the water — it handles 6 passengers and at 16,0 ft it has the deck room to back that rating up comfortably. The SeaArk Stealth 186 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.