When two boats share the same hull type — in this case both the Sundance F17CC 2010 and the Sundance F19FLX 2009 are modified vee designs with fiberglass construction — 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 — Sundance F17CC 2010 at 16,8 ft versus Sundance F19FLX 2009 at 18,8 ft. Weight tells a clearer story for trailering families: the Sundance F19FLX 2009 tips the scales at 1 105 lbs — 1 004 lbs less than the Sundance F17CC 2010 at 101 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 Sundance F19FLX 2009 has a 40-hp advantage over the Sundance F17CC 2010's 50-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 24 gal and 24 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Sundance F19FLX 2009 is rated for 6 passengers, while the Sundance F17CC 2010 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sundance F19FLX 2009 could be the deciding factor.
Bottom line: Choose the Sundance F19FLX 2009 if your priority is putting more people on the water — it handles 6 passengers and at 18,8 ft it has the deck room to back that rating up comfortably. The Sundance F17CC 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.