The Formula Boats 31 PC 1994 vs Formula Boats 34 PC 2008 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.
For family outings this is probably the sharpest distinction between the two. The Formula Boats 34 PC 2008 is rated for 10 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 34 PC 2008 could be the deciding factor.
Bottom line: Choose the Formula Boats 34 PC 2008 if your priority is putting more people on the water - it handles 10 passengers and at 36,0 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.