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Audi RS-Q8 vs BMW M5: 5-year value retention (62% vs 62%), resale value, and cost of ownership head-to-head. Audi RS-Q8 holds its value better.
On five-year value retention the Audi RS-Q8 comes out ahead, holding about 62% of its value versus 62% for the BMW M5. Over the first five years the Audi RS-Q8 loses roughly $52,278 while the BMW M5 loses about $47,224 — a gap near $-5054.
First-year drop is the biggest factor: the Audi RS-Q8 sheds about 0% in year one versus 1% for the BMW M5. If you buy used, the steeper early drop is what the original owner absorbs.