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Audi S4 holds its value better — 58% five-year retention against 57% for the Porsche Panamera. Resale value and cost of ownership, head to head.
On five-year value retention the Audi S4 comes out ahead, holding about 58% of its value versus 57% for the Porsche Panamera. Over the first five years the Audi S4 loses roughly $23,628 while the Porsche Panamera loses about $43,261 — a gap near $19,633.
First-year drop is the biggest factor: the Audi S4 sheds about 14% in year one versus 10% for the Porsche Panamera. If you buy used, the steeper early drop is what the original owner absorbs.