The next Audi RS5 won’t be the coupe you once knew. Slated for release later this year, the new model will break new ground for the brand as the first plug-in hybrid RS vehicle, a milestone Audi didn’t shout about, but quietly confirmed through a now-altered LinkedIn post. Audi Sport Enters a New ChapterFor years, the RS5 has served as a kind of sweet spot in Audi’s performance catalog. Now, for the first time, Audi Sport will launch an RS-badged plug-in hybrid. Audi RS5 – © ShutterstockWeight, Power, and Trade-OffsThere’s always a trade-off.