Matching a modified vee Blazer Boats 1860 2011 against a deep vee Blazer Boats 2170 2008 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
On paper these two are close siblings in the size department — Blazer Boats 1860 2011 at 18,5 ft versus Blazer Boats 2170 2008 at 21,0 ft. At 125 lbs and 145 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 115 hp, the Blazer Boats 2170 2008 has a 25-hp advantage over the Blazer Boats 1860 2011's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 5 gal and 5 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Blazer Boats 2170 2008 is rated for 8 passengers, while the Blazer Boats 1860 2011 caps at 4. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Blazer Boats 2170 2008 could be the deciding factor.
Bottom line: Choose the Blazer Boats 2170 2008 if your priority is putting more people on the water — it handles 8 passengers and at 21,0 ft it has the deck room to back that rating up comfortably. The Blazer Boats 1860 2011 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 4 that costs less to run day-to-day.