When two boats share the same hull type — in this case both the Zodiac 420 TC4 2009 and the Zodiac 9 Man 2009 are inflatable rigid designs with inflatable 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 Zodiac 9 Man 2009 tops out at 70 hp. Engine specs for the Zodiac 420 TC4 2009 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The Zodiac 9 Man 2009 is rated for 9 passengers, while the Zodiac 420 TC4 2009 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Zodiac 9 Man 2009 could be the deciding factor.
Bottom line: Choose the Zodiac 9 Man 2009 if your priority is putting more people on the water — it handles 9 passengers and at 15,4 ft it has the deck room to back that rating up comfortably. The Zodiac 420 TC4 2009 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 6 that costs less to run day-to-day.