New Audi S5 2025 Features. Audi is reshaping its model lineup for 2025, and part of that is discontinuing the a4 in favor of the a5, which will come in a5 and s5 versions. In a significant shift, audi has.

The new a5/s5 sedan is the first vehicle built on audi’s new ppc architecture, which stands for premium platform combustion. At first glance, the 2025 audi s5 looks like, well, an audi.