When two boats share the same hull type — in this case both the Sylvan Mirage Cruise 818 CR 2012 and the Sylvan Mirage Sport 8522 RE 2007 are pontoon designs with aluminum 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 Sylvan Mirage Sport 8522 RE 2007 measures 22,0 feet overall (2007), giving it roughly 3,2 additional feet of deck space compared to the Sylvan Mirage Cruise 818 CR 2012 at 18,8 feet (2012). At 155 lbs and 215 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.
The power gap is worth calling out. Rated to 125 hp, the Sylvan Mirage Sport 8522 RE 2007 has a 75-hp advantage over the Sylvan Mirage Cruise 818 CR 2012's 50-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Both carry nearly identical fuel loads — 24 gal and 24 gal — so range won't be a tiebreaker here.
For family outings this is probably the sharpest distinction between the two. The Sylvan Mirage Sport 8522 RE 2007 is rated for 14 passengers, while the Sylvan Mirage Cruise 818 CR 2012 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Sylvan Mirage Sport 8522 RE 2007 could be the deciding factor.
Bottom line: Choose the Sylvan Mirage Sport 8522 RE 2007 if your priority is putting more people on the water — it handles 14 passengers and at 22,0 ft it has the deck room to back that rating up comfortably. The Sylvan Mirage Cruise 818 CR 2012 is the smarter pick if you want a lighter, easier-to-trailer boat rated for 8 that costs less to run day-to-day.