When two boats share the same hull type — in this case both the Azimut Yachts 55 Evolution 2008 and the Azimut Yachts 80 2008 are modified vee designs with fiberglass 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 Azimut Yachts 80 2008 measures 83,0 feet overall (2008), giving it roughly 26,0 additional feet of deck space compared to the Azimut Yachts 55 Evolution 2008 at 57,0 feet (2008). Weight tells a clearer story for trailering families: the Azimut Yachts 55 Evolution 2008 tips the scales at 522 lbs — 408 lbs more than the Azimut Yachts 80 2008 at 114 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.

Both boats share a closely matched power ceiling — 2 hp for the Azimut Yachts 55 Evolution 2008 and 2 hp for the Azimut Yachts 80 2008. 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. Fuel capacity breaks the other way: the Azimut Yachts 80 2008 carries 1 585 gallons versus 665 gallons in the Azimut Yachts 55 Evolution 2008. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.

For family outings this is probably the sharpest distinction between the two. The Azimut Yachts 80 2008 is rated for 25 passengers, while the Azimut Yachts 55 Evolution 2008 caps at 17. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Azimut Yachts 80 2008 could be the deciding factor.