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Aston Martin DBS vs Porsche 718 Boxster: 5-year value retention (83% vs 86%), resale value, and cost of ownership head-to-head. Porsche 718 Boxster holds its value better.
On five-year value retention the Porsche 718 Boxster comes out ahead, holding about 86% of its value versus 83% for the Aston Martin DBS. Over the first five years the Porsche 718 Boxster loses roughly $11,175 while the Aston Martin DBS loses about $59,614 — a gap near $48,439.
First-year drop is the biggest factor: the Porsche 718 Boxster sheds about 0% in year one versus 6% for the Aston Martin DBS. If you buy used, the steeper early drop is what the original owner absorbs.