The Sun Tracker Fishin Deck 21 2005 vs Sun Tracker Party Barge 21 2004 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 Sun Tracker Party Barge 21 2004 measures 21,0 feet overall (2004), giving it roughly 19,0 additional feet of deck space compared to the Sun Tracker Fishin Deck 21 2005 at 2,0 feet (2005). Weight tells a clearer story for trailering families: the Sun Tracker Fishin Deck 21 2005 tips the scales at 2 188 lbs — 2 019 lbs more than the Sun Tracker Party Barge 21 2004 at 169 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 Sun Tracker Fishin Deck 21 2005 carries a rated maximum of 150 hp. Engine data for the Sun Tracker Party Barge 21 2004 wasn't available in our records — check the manufacturer's spec sheet before sizing a motor.Fuel capacity breaks the other way: the Sun Tracker Fishin Deck 21 2005 carries 41 gallons versus 26 gallons in the Sun Tracker Party Barge 21 2004. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Sun Tracker Party Barge 21 2004 is rated for 13 passengers, while the Sun Tracker Fishin Deck 21 2005 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sun Tracker Party Barge 21 2004 could be the deciding factor.
Bottom line: Choose the Sun Tracker Party Barge 21 2004 if your priority is putting more people on the water — it handles 13 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Sun Tracker Fishin Deck 21 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.