The Blazer Boats 2170 2012 vs Blazer Boats Bay 1860 2007 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.
Size is the most obvious dividing line here. The Blazer Boats 2170 2012 measures 21,6 feet overall (2012), giving it roughly 3,6 additional feet of deck space compared to the Blazer Boats Bay 1860 2007 at 18,0 feet (2007). Weight tells a clearer story for trailering families: the Blazer Boats 2170 2012 tips the scales at 145 lbs — 131 lbs more than the Blazer Boats Bay 1860 2007 at 14 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 140 hp, the Blazer Boats 2170 2012 has a 50-hp advantage over the Blazer Boats Bay 1860 2007'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 2012 is rated for 8 passengers, while the Blazer Boats Bay 1860 2007 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Blazer Boats 2170 2012 could be the deciding factor.
Bottom line: Choose the Blazer Boats 2170 2012 if your priority is putting more people on the water — it handles 8 passengers and at 21,6 ft it has the deck room to back that rating up comfortably. The Blazer Boats Bay 1860 2007 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.