The Polestar 5 has been shown in production form for the first time. The 5 is the production version of 2020’s Precept concept, and it’s coming in 2024 to take on the Porsche Taycan and other high-end electric sedans. Polestar has promised up to 884 hp. The Audi RS 3 is a compact sedan that’s rollicking fun thanks to a turbocharged inline-5 and…