Both the Crestliner Fish Hawk 1600 SC 2008 and the Crestliner Fish Hawk Series 1850 Tiller 2009 are modified-V designs, both built in aluminium, so the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department - Crestliner Fish Hawk 1600 SC 2008 at 16,0 ft versus Crestliner Fish Hawk Series 1850 Tiller 2009 at 18,0 ft. Weight tells a clearer story for trailering families: the Crestliner Fish Hawk Series 1850 Tiller 2009 tips the scales at 1 250 lbs - 370 lbs less than the Crestliner Fish Hawk 1600 SC 2008 at 880 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 - 75 hp for the Crestliner Fish Hawk 1600 SC 2008 and 90 hp for the Crestliner Fish Hawk Series 1850 Tiller 2009. 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 Series 1850 Tiller 2009 carries 31 gallons versus 23 gallons in the Crestliner Fish Hawk 1600 SC 2008. 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 Series 1850 Tiller 2009 is rated for 6 passengers, while the Crestliner Fish Hawk 1600 SC 2008 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Crestliner Fish Hawk Series 1850 Tiller 2009 could be the deciding factor.
At this size, power-to-weight ratio matters more than outright horsepower. The Crestliner Fish Hawk 1600 SC 2008 comes in at 12 lbs per hp versus 14 lbs per hp for the Crestliner Fish Hawk Series 1850 Tiller 2009. The lower the ratio the more explosive the acceleration - meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.
Bottom line: Choose the Crestliner Fish Hawk Series 1850 Tiller 2009 if your priority is putting more people on the water - it handles 6 passengers and at 18,0 ft it has the deck room to back that rating up comfortably. The Crestliner Fish Hawk 1600 SC 2008 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.