When two boats share the same hull type — in this case both the Gulf Coast Boats GC 220 VS 2007 and the Gulf Coast Boats GC 230 KAT 2013 are tunnel 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?
The power gap is worth calling out. Rated to 250 hp, the Gulf Coast Boats GC 230 KAT 2013 has a 50-hp advantage over the Gulf Coast Boats GC 220 VS 2007's 200-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 62 gal and 62 gal — so range won't be a tiebreaker here.
Both boats are rated for 7 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 Gulf Coast Boats GC 230 KAT 2013 at 23,4 ft is the right call if deck space, comfort, and entertaining are top of your list. The Gulf Coast Boats GC 220 VS 2007 at 21,0 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.