The Champion Boats 20 Sea Champ 2007 vs Champion Boats 220 Bay 2009 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 - Champion Boats 20 Sea Champ 2007 at 20,0 ft versus Champion Boats 220 Bay 2009 at 21,5 ft. Weight tells a clearer story for trailering families: the Champion Boats 220 Bay 2009 tips the scales at 2 200 lbs - 280 lbs less than the Champion Boats 20 Sea Champ 2007 at 1 920 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 225 hp, the Champion Boats 220 Bay 2009 has a 25-hp advantage over the Champion Boats 20 Sea Champ 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 - 52 gal and 54 gal - so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Champion Boats 220 Bay 2009 is rated for 7 passengers, while the Champion Boats 20 Sea Champ 2007 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Champion Boats 220 Bay 2009 could be the deciding factor.
Bottom line: Choose the Champion Boats 220 Bay 2009 if your priority is putting more people on the water - it handles 7 passengers and at 21,5 ft it has the deck room to back that rating up comfortably. The Champion Boats 20 Sea Champ 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.