The Sundance FX19 Vapor 2012 vs Sundance K16FLX 2007 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Size is the most obvious dividing line here. The Sundance FX19 Vapor 2012 measures 19,1 feet overall (2012), giving it roughly 4,1 additional feet of deck space compared to the Sundance K16FLX 2007 at 15,0 feet (2007). At 102 lbs and 72 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 150 hp, the Sundance FX19 Vapor 2012 has a 100-hp advantage over the Sundance K16FLX 2007's 50-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Sundance FX19 Vapor 2012 carries 31 gallons versus 11 gallons in the Sundance K16FLX 2007. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
Both boats are rated for 4 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Sundance FX19 Vapor 2012 at 19,1 ft is the right call if deck space, comfort, and entertaining are top of your list. The Sundance K16FLX 2007 at 15,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.