The Crestliner Fish Hawk 1850 SC 2013 is a deep-V design and the Crestliner VT 19 2013 is a modified-V design, so you're likely deciding between two noticeably 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 - Crestliner Fish Hawk 1850 SC 2013 at 18,5 ft versus Crestliner VT 19 2013 at 19,0 ft. Weight tells a clearer story for trailering families: the Crestliner Fish Hawk 1850 SC 2013 tips the scales at 1 250 lbs - 165 lbs more than the Crestliner VT 19 2013 at 1 085 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 - 150 hp for the Crestliner Fish Hawk 1850 SC 2013 and 150 hp for the Crestliner VT 19 2013. 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. Fuel capacity breaks the other way: the Crestliner Fish Hawk 1850 SC 2013 carries 30 gallons versus 20 gallons in the Crestliner VT 19 2013. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Crestliner Fish Hawk 1850 SC 2013 is rated for 6 passengers, while the Crestliner VT 19 2013 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Fish Hawk 1850 SC 2013 could be the deciding factor.
Bottom line: Choose the Crestliner Fish Hawk 1850 SC 2013 if your priority is putting more people on the water - it handles 6 passengers and at 18,5 ft it has the deck room to back that rating up comfortably. The Crestliner VT 19 2013 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.