The Triton Boats 21HP SC 2010 vs Triton Boats TR-21X PDC 2005 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 - Triton Boats 21HP SC 2010 at 21,0 ft versus Triton Boats TR-21X PDC 2005 at 21,0 ft. At 1 840 lbs and 1 750 lbs respectively, both sit in a similar weight class - either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The power gap is worth calling out. Rated to 250 hp, the Triton Boats TR-21X PDC 2005 has a 50-hp advantage over the Triton Boats 21HP SC 2010'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 - 54 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 Triton Boats 21HP SC 2010 is rated for 675 passengers, while the Triton Boats TR-21X PDC 2005 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats 21HP SC 2010 could be the deciding factor.
Bottom line: Choose the Triton Boats 21HP SC 2010 if your priority is putting more people on the water - it handles 675 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Triton Boats TR-21X PDC 2005 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.