The Birchwood 420 Open 2004 vs Birchwood 500 HT 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.
Size is the most obvious dividing line here. The Birchwood 500 HT 2006 measures 47,7 feet overall (2006), giving it roughly 5,1 additional feet of deck space compared to the Birchwood 420 Open 2004 at 42,6 feet (2004). Weight tells a clearer story for trailering families: the Birchwood 500 HT 2006 tips the scales at 36 455 lbs — 12 205 lbs less than the Birchwood 420 Open 2004 at 24 250 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 570 hp, the Birchwood 500 HT 2006 has a 135-hp advantage over the Birchwood 420 Open 2004's 435-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 330 gal and 330 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Birchwood 500 HT 2006 is rated for 14 passengers, while the Birchwood 420 Open 2004 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Birchwood 500 HT 2006 could be the deciding factor.
Bottom line: Choose the Birchwood 500 HT 2006 if your priority is putting more people on the water — it handles 14 passengers and at 47,7 ft it has the deck room to back that rating up comfortably. The Birchwood 420 Open 2004 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.