When two boats share the same hull type — in this case both the Triton Boats 19SE 2011 and the Triton Boats 21XS SC 2010 are modified vee designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?
On paper these two are close siblings in the size department — Triton Boats 19SE 2011 at 19,8 ft versus Triton Boats 21XS SC 2010 at 21,6 ft. Weight tells a clearer story for trailering families: the Triton Boats 21XS SC 2010 tips the scales at 2 002 lbs — 158 lbs less than the Triton Boats 19SE 2011 at 1 844 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 200 hp, the Triton Boats 21XS SC 2010 has a 25-hp advantage over the Triton Boats 19SE 2011's 175-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 53 gal and 53 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Triton Boats 21XS SC 2010 is rated for 675 passengers, while the Triton Boats 19SE 2011 caps at 600. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats 21XS SC 2010 could be the deciding factor.
Bottom line: Choose the Triton Boats 21XS SC 2010 if your priority is putting more people on the water — it handles 675 passengers and at 21,6 ft it has the deck room to back that rating up comfortably. The Triton Boats 19SE 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 600 that costs less to run day-to-day.