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Lexus RX-350 holds its value better — 51% five-year retention against 50% for the Audi S7. Resale value and cost of ownership, head to head.
On five-year value retention the Lexus RX-350 comes out ahead, holding about 51% of its value versus 50% for the Audi S7. Over the first five years the Lexus RX-350 loses roughly $19,745 while the Audi S7 loses about $42,456 — a gap near $22,711.
First-year drop is the biggest factor: the Lexus RX-350 sheds about 11% in year one versus 14% for the Audi S7. If you buy used, the steeper early drop is what the original owner absorbs.