The Formula Boats 310 Sun Sport 2014 vs Formula Boats 45 2010 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.
Both boats share a closely matched power ceiling — 430 hp for the Formula Boats 310 Sun Sport 2014 and 435 hp for the Formula Boats 45 2010. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup. Fuel capacity breaks the other way: the Formula Boats 45 2010 carries 35 gallons versus 13 gallons in the Formula Boats 310 Sun Sport 2014. 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 Formula Boats 45 2010 is rated for 13 passengers, while the Formula Boats 310 Sun Sport 2014 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Formula Boats 45 2010 could be the deciding factor.
Bottom line: Choose the Formula Boats 45 2010 if your priority is putting more people on the water — it handles 13 passengers and at 45,0 ft it has the deck room to back that rating up comfortably. The Formula Boats 310 Sun Sport 2014 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.