Despite emission concerns, Porsche plans to keep its 4.0-liter twin-turbocharged V8 engine alive into the 2030s. The engine will be upgraded to meet stricter Euro 7 emission regulations coming in July 2030. Unfortunately, stricter noise regulations will mean the V8's signature sound will be muted. Porsche's venerable twin-turbocharged 4.
We have to add some parts which are in development, so we are ready with this V8 to go to the EU7 regulations,” Freimuth told Car Sales. “This will be also possible without hybrid system because they changed a little bit.” “Even in the Panamera, for example, we have to deal with other regulations… about the exhaust noise level… it’s going down and down and down and down over the years and this also makes it more complicated to get a good emotion to our Panamera V8,” he added.