The Advantage 22 Party Cat MX 2009 vs Advantage 34 Party Cat TRX 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 Advantage 34 Party Cat TRX 2007 measures 34,0 feet overall (2007), giving it roughly 12,0 additional feet of deck space compared to the Advantage 22 Party Cat MX 2009 at 22,0 feet (2009). Weight tells a clearer story for trailering families: the Advantage 22 Party Cat MX 2009 tips the scales at 342 lbs — 334 lbs more than the Advantage 34 Party Cat TRX 2007 at 8 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.
For family outings this is probably the sharpest distinction between the two. The Advantage 34 Party Cat TRX 2007 is rated for 16 passengers, while the Advantage 22 Party Cat MX 2009 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Advantage 34 Party Cat TRX 2007 could be the deciding factor.
Bottom line: Choose the Advantage 34 Party Cat TRX 2007 if your priority is putting more people on the water — it handles 16 passengers and at 34,0 ft it has the deck room to back that rating up comfortably. The Advantage 22 Party Cat MX 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.