The Avalon 20 ft. GS Quad Lounge 2013 vs Avalon Catalina - 16 Foot 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 Avalon 20 ft. GS Quad Lounge 2013 measures 20,0 feet overall (2013), giving it roughly 4,0 additional feet of deck space compared to the Avalon Catalina - 16 Foot 2007 at 16,0 feet (2007). Weight tells a clearer story for trailering families: the Avalon 20 ft. GS Quad Lounge 2013 tips the scales at 1 750 lbs - 658 lbs more than the Avalon Catalina - 16 Foot 2007 at 1 092 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 75 hp, the Avalon 20 ft. GS Quad Lounge 2013 has a 25-hp advantage over the Avalon Catalina - 16 Foot 2007's 50-hp ceiling - enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Avalon 20 ft. GS Quad Lounge 2013 is rated for 9 passengers, while the Avalon Catalina - 16 Foot 2007 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Avalon 20 ft. GS Quad Lounge 2013 could be the deciding factor.
Bottom line: Choose the Avalon 20 ft. GS Quad Lounge 2013 if your priority is putting more people on the water - it handles 9 passengers and at 20,0 ft it has the deck room to back that rating up comfortably. The Avalon Catalina - 16 Foot 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.