When two boats share the same hull type — in this case both the Monterey 204FS 2011 and the Monterey 400SY 2008 are modified vee designs with fiberglass construction — the buying decision usually comes down to a handful of practical questions: how many people are you putting on the water, how far do you trailer, and what does your tow vehicle weigh?

The power gap is worth calling out. Rated to 375 hp, the Monterey 400SY 2008 has a 105-hp advantage over the Monterey 204FS 2011's 270-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 36 gal and 33 gal — so range won't be a tiebreaker here.

For family outings this is probably the sharpest distinction between the two. The Monterey 400SY 2008 is rated for 12 passengers, while the Monterey 204FS 2011 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Monterey 400SY 2008 could be the deciding factor.