Matching a tunnel SeaArk BayFisher MVT 2011 against a modified vee SeaArk RiverCat 180 CC 2012 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 BayFisher MVT 2011 at 20,1 ft versus SeaArk RiverCat 180 CC 2012 at 18,0 ft. Weight tells a clearer story for trailering families: the SeaArk RiverCat 180 CC 2012 tips the scales at 1 193 lbs — 1 074 lbs less than the SeaArk BayFisher MVT 2011 at 119 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.
Both boats share a closely matched power ceiling — 140 hp for the SeaArk BayFisher MVT 2011 and 140 hp for the SeaArk RiverCat 180 CC 2012. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.
For family outings this is probably the sharpest distinction between the two. The SeaArk BayFisher MVT 2011 is rated for 12 passengers, while the SeaArk RiverCat 180 CC 2012 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the SeaArk BayFisher MVT 2011 could be the deciding factor.
Bottom line: Choose the SeaArk BayFisher MVT 2011 if your priority is putting more people on the water — it handles 12 passengers and at 20,1 ft it has the deck room to back that rating up comfortably. The SeaArk RiverCat 180 CC 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.