The Advantage 21 SR BR 2009 vs Advantage 22 Sport Cat 2006 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.
On paper these two are close siblings in the size department — Advantage 21 SR BR 2009 at 21,0 ft versus Advantage 22 Sport Cat 2006 at 22,0 ft. Weight tells a clearer story for trailering families: the Advantage 21 SR BR 2009 tips the scales at 2 975 lbs — 2 947 lbs more than the Advantage 22 Sport Cat 2006 at 28 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 21 SR BR 2009 is rated for 7 passengers, while the Advantage 22 Sport Cat 2006 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Advantage 21 SR BR 2009 could be the deciding factor.
Bottom line: Choose the Advantage 21 SR BR 2009 if your priority is putting more people on the water — it handles 7 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Advantage 22 Sport Cat 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.