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Audi S5-Coupe vs Cadillac CT5-V: 5-year value retention (71% vs 71%), resale value, and cost of ownership head-to-head. Audi S5-Coupe holds its value better.
On five-year value retention the Audi S5-Coupe comes out ahead, holding about 71% of its value versus 71% for the Cadillac CT5-V. Over the first five years the Audi S5-Coupe loses roughly $16,560 while the Cadillac CT5-V loses about $16,849 — a gap near $289.
First-year drop is the biggest factor: the Audi S5-Coupe sheds about 6% in year one versus 0% for the Cadillac CT5-V. If you buy used, the steeper early drop is what the original owner absorbs.