Matching a deep vee Blazer Boats 2170 2009 against a modified vee Blazer Boats 2420 Professional 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 2170 2009 at 21,0 ft versus Blazer Boats 2420 Professional 2008 at 24,0 ft. At 145 lbs and 225 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 200 hp, the Blazer Boats 2420 Professional 2008 has a 60-hp advantage over the Blazer Boats 2170 2009's 140-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 8 gal — so range won't be a tiebreaker here.
Both boats are rated for 8 passengers — a good fit for a family of four or five plus guests. Comfort at capacity is another matter; the longer hull typically means more seat options and better weight distribution.
Bottom line: The Blazer Boats 2420 Professional 2008 at 24,0 ft is the right call if deck space, comfort, and entertaining are top of your list. The Blazer Boats 2170 2009 at 21,0 ft wins on trailering ease, likely lower purchase price, and simpler docking — a solid choice for a buyer who wants more boat for less money.