South Bay 525SL vs South Bay 525SLX: 5-year value retention (65% vs 65%), resale value, and cost of ownership head-to-head. South Bay 525SL holds its value better.
On five-year value retention the South Bay 525SL comes out ahead, holding about 65% of its value versus 65% for the South Bay 525SLX. Over the first five years the South Bay 525SL loses roughly $14,758 while the South Bay 525SLX loses about $14,725 — a gap near $-33.
First-year drop is the biggest factor: the South Bay 525SL sheds about 7% in year one versus 7% for the South Bay 525SLX. If you buy used, the steeper early drop is what the original owner absorbs.
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