When two boats share the same hull type — in this case both the Velocity 400 Xover 2008 and the Velocity F-20 Bullet 2009 are modified vee designs with composite 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?
Size is the most obvious dividing line here. The Velocity 400 Xover 2008 measures 39,0 feet overall (2008), giving it roughly 37,0 additional feet of deck space compared to the Velocity F-20 Bullet 2009 at 2,0 feet (2009). At 7 lbs and 1 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
Both boats share a closely matched power ceiling — 300 hp for the Velocity 400 Xover 2008 and 300 hp for the Velocity F-20 Bullet 2009. 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. Both carry nearly identical fuel loads — 4 gal and 3 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Velocity 400 Xover 2008 is rated for 11 passengers, while the Velocity F-20 Bullet 2009 caps at 6. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Velocity 400 Xover 2008 could be the deciding factor.
Bottom line: Choose the Velocity 400 Xover 2008 if your priority is putting more people on the water — it handles 11 passengers and at 39,0 ft it has the deck room to back that rating up comfortably. The Velocity F-20 Bullet 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.