The Boston Whaler 170 Dauntless 2017 vs Boston Whaler 235 Conquest 2009 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.

The power gap is worth calling out. Rated to 300 hp, the Boston Whaler 235 Conquest 2009 has a 185-hp advantage over the Boston Whaler 170 Dauntless 2017's 115-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 235 Conquest 2009 carries 122 gallons versus 35 gallons in the Boston Whaler 170 Dauntless 2017. 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 235 Conquest 2009 is rated for 12 passengers, while the Boston Whaler 170 Dauntless 2017 caps at 5. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Boston Whaler 235 Conquest 2009 could be the deciding factor.