South Bay 523SL 2 75 Performance PK vs South Bay 525SL 3 0+ Performance PK: 5-year value retention (66% vs 66%), resale value, and cost of ownership head-to-head. South Bay 523SL 2 75 Performance PK holds its value better.
On five-year value retention the South Bay 523SL 2 75 Performance PK comes out ahead, holding about 66% of its value versus 66% for the South Bay 525SL 3 0+ Performance PK. Over the first five years the South Bay 523SL 2 75 Performance PK loses roughly $14,848 while the South Bay 525SL 3 0+ Performance PK loses about $18,285 — a gap near $3,437.
First-year drop is the biggest factor: the South Bay 523SL 2 75 Performance PK sheds about 7% in year one versus 7% for the South Bay 525SL 3 0+ Performance PK. If you buy used, the steeper early drop is what the original owner absorbs.
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