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Acura TSX vs BMW I8: 5-year value retention (49% vs 48%), resale value, and cost of ownership head-to-head. Acura TSX holds its value better.
On five-year value retention the Acura TSX comes out ahead, holding about 49% of its value versus 48% for the BMW I8. Over the first five years the Acura TSX loses roughly $9,994 while the BMW I8 loses about $76,553 — a gap near $66,559.
First-year drop is the biggest factor: the Acura TSX sheds about 17% in year one versus 10% for the BMW I8. If you buy used, the steeper early drop is what the original owner absorbs.