The Triton Boats 170 DS SC 2006 vs Triton Boats 18SE 2011 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 170 DS SC 2006 at 17,0 ft versus Triton Boats 18SE 2011 at 18,7 ft. At 85 lbs and 169 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 135 hp, the Triton Boats 18SE 2011 has a 45-hp advantage over the Triton Boats 170 DS SC 2006's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Triton Boats 18SE 2011 is rated for 600 passengers, while the Triton Boats 170 DS SC 2006 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Triton Boats 18SE 2011 could be the deciding factor.
Bottom line: Choose the Triton Boats 18SE 2011 if your priority is putting more people on the water — it handles 600 passengers and at 18,7 ft it has the deck room to back that rating up comfortably. The Triton Boats 170 DS SC 2006 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 5 that costs less to run day-to-day.