Matching a modified vee Sylvan Alaskan 13 DLX 2012 against a pontoon Sylvan Mirage Fish 818 2013 means you're likely deciding between two genuinely different on-water experiences. Hull type shapes everything from ride quality and fuel burn to dock handling and resale trajectory.
Size is the most obvious dividing line here. The Sylvan Mirage Fish 818 2013 measures 18,8 feet overall (2013), giving it roughly 5,9 additional feet of deck space compared to the Sylvan Alaskan 13 DLX 2012 at 12,9 feet (2012). At 225 lbs and 155 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 — 25 hp for the Sylvan Alaskan 13 DLX 2012 and 5 hp for the Sylvan Mirage Fish 818 2013. 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 Sylvan Mirage Fish 818 2013 is rated for 8 passengers, while the Sylvan Alaskan 13 DLX 2012 caps at 3. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan Mirage Fish 818 2013 could be the deciding factor.
Bottom line: Choose the Sylvan Mirage Fish 818 2013 if your priority is putting more people on the water — it handles 8 passengers and at 18,8 ft it has the deck room to back that rating up comfortably. The Sylvan Alaskan 13 DLX 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 3 that costs less to run day-to-day.