When two boats share the same hull type — in this case both the Weldcraft Marine 240XL 2010 and the Weldcraft Marine 300 2010 are deep vee designs with aluminum 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 640 hp, the Weldcraft Marine 300 2010 has a 190-hp advantage over the Weldcraft Marine 240XL 2010's 450-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 13 gal and 16 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Weldcraft Marine 300 2010 is rated for 9 passengers, while the Weldcraft Marine 240XL 2010 caps at 7. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Weldcraft Marine 300 2010 could be the deciding factor.
Bottom line: Choose the Weldcraft Marine 300 2010 if your priority is putting more people on the water — it handles 9 passengers and at 3,0 ft it has the deck room to back that rating up comfortably. The Weldcraft Marine 240XL 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 7 that costs less to run day-to-day.