The Boston Whaler 170 Montauk 2009 vs Boston Whaler 305 Conquest 2006 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 Boston Whaler 170 Montauk 2009 measures 17,0 feet overall (2009), giving it roughly 14,0 additional feet of deck space compared to the Boston Whaler 305 Conquest 2006 at 3,0 feet (2006). At 14 lbs and 85 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 600 hp, the Boston Whaler 305 Conquest 2006 has a 510-hp advantage over the Boston Whaler 170 Montauk 2009's 90-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Boston Whaler 170 Montauk 2009 carries 13 gallons versus 3 gallons in the Boston Whaler 305 Conquest 2006. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Boston Whaler 305 Conquest 2006 is rated for 14 passengers, while the Boston Whaler 170 Montauk 2009 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Boston Whaler 305 Conquest 2006 could be the deciding factor.

At this size, power-to-weight ratio matters more than outright horsepower. The Boston Whaler 305 Conquest 2006 comes in at 0 lbs per hp versus 0 lbs per hp for the Boston Whaler 170 Montauk 2009. The lower the ratio the more explosive the acceleration — meaningful on a short RIB where bursts of speed, quick planing, and agility in surf or tight waterways define the experience.