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Audi TT-Coupe vs Infiniti QX80: 5-year value retention (61% vs 43%), resale value, and cost of ownership head-to-head. Audi TT-Coupe holds its value better.
On five-year value retention the Audi TT-Coupe comes out ahead, holding about 61% of its value versus 43% for the Infiniti QX80. Over the first five years the Audi TT-Coupe loses roughly $20,254 while the Infiniti QX80 loses about $47,487 — a gap near $27,233.
First-year drop is the biggest factor: the Audi TT-Coupe sheds about 7% in year one versus 10% for the Infiniti QX80. If you buy used, the steeper early drop is what the original owner absorbs.