The Formula Boats 31 PC 1994 vs Formula Boats 400 FX8 2013 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 Formula Boats 400 FX8 2013 tops out at 430 hp. Engine specs for the Formula Boats 31 PC 1994 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The Formula Boats 400 FX8 2013 is rated for 12 passengers, while the Formula Boats 31 PC 1994 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 400 FX8 2013 could be the deciding factor.
Bottom line: Choose the Formula Boats 400 FX8 2013 if your priority is putting more people on the water — it handles 12 passengers and at 42,0 ft it has the deck room to back that rating up comfortably. The Formula Boats 31 PC 1994 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 9 that costs less to run day-to-day.