South Bay 25 Sport RS9 vs Sylvan Mirage 822 Party Fish 4 0: 5-year value retention (62% vs 62%), resale value, and cost of ownership head-to-head. South Bay 25 Sport RS9 holds its value better.
On five-year value retention the South Bay 25 Sport RS9 comes out ahead, holding about 62% of its value versus 62% for the Sylvan Mirage 822 Party Fish 4 0. Over the first five years the South Bay 25 Sport RS9 loses roughly $53,014 while the Sylvan Mirage 822 Party Fish 4 0 loses about $12,854 — a gap near $-40160.
First-year drop is the biggest factor: the South Bay 25 Sport RS9 sheds about 20% in year one versus 36% for the Sylvan Mirage 822 Party Fish 4 0. If you buy used, the steeper early drop is what the original owner absorbs.
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