Both the Landau 250 Atlantis Sport Cruise 2010 and the Landau Atlantis 2703 2007 are pontoon designs, both built in aluminium, so 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?
On paper these two are close siblings in the size department - Landau 250 Atlantis Sport Cruise 2010 at 25,0 ft versus Landau Atlantis 2703 2007 at 26,0 ft. Weight tells a clearer story for trailering families: the Landau 250 Atlantis Sport Cruise 2010 tips the scales at 2 620 lbs - 470 lbs more than the Landau Atlantis 2703 2007 at 2 150 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 - 130 hp for the Landau 250 Atlantis Sport Cruise 2010 and 150 hp for the Landau Atlantis 2703 2007. 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.
For family outings this is probably the sharpest distinction between the two. The Landau Atlantis 2703 2007 is rated for 15 passengers, while the Landau 250 Atlantis Sport Cruise 2010 caps at 12. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Landau Atlantis 2703 2007 could be the deciding factor.
Bottom line: Choose the Landau Atlantis 2703 2007 if your priority is putting more people on the water - it handles 15 passengers and at 26,0 ft it has the deck room to back that rating up comfortably. The Landau 250 Atlantis Sport Cruise 2010 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 12 that costs less to run day-to-day.