The Zodiac Sundream 2009 vs Zodiac Zoom 310 S 2006 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 power gap is worth calling out. Rated to 80 hp, the Zodiac Sundream 2009 has a 74-hp advantage over the Zodiac Zoom 310 S 2006's 6-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load.
For family outings this is probably the sharpest distinction between the two. The Zodiac Zoom 310 S 2006 is rated for 4 passengers, while the Zodiac Sundream 2009 caps at 1. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Zodiac Zoom 310 S 2006 could be the deciding factor.
Bottom line: Choose the Zodiac Zoom 310 S 2006 if your priority is putting more people on the water — it handles 4 passengers and at 1,0 ft it has the deck room to back that rating up comfortably. The Zodiac Sundream 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 1 that costs less to run day-to-day.