Both the Sundance F17CC 2010 and the Sundance K16FLX 2009 are modified-V designs, both built in fibreglass, 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 - Sundance F17CC 2010 at 16,8 ft versus Sundance K16FLX 2009 at 15,8 ft. Weight tells a clearer story for trailering families: the Sundance F17CC 2010 tips the scales at 1 010 lbs - 290 lbs more than the Sundance K16FLX 2009 at 720 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 - 50 hp for the Sundance F17CC 2010 and 40 hp for the Sundance K16FLX 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 Sundance F17CC 2010 carries 24 gallons versus 10 gallons in the Sundance K16FLX 2009. 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 Sundance F17CC 2010 is rated for 5 passengers, while the Sundance K16FLX 2009 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sundance F17CC 2010 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Sundance K16FLX 2009 comes in at 18 lbs per hp versus 20 lbs per hp for the Sundance F17CC 2010. 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.