The Triton Boats 20XS HP 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 20XS HP SC 2010 at 20,2 ft versus Triton Boats TR-21X PDC 2005 at 21,0 ft. At 1 844 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 75-hp advantage over the Triton Boats 20XS HP SC 2010'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 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 20XS HP SC 2010 is rated for 600 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 20XS HP SC 2010 could be the deciding factor.
Bottom line: Choose the Triton Boats 20XS HP SC 2010 if your priority is putting more people on the water - it handles 600 passengers and at 20,2 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.