2022 Porsche 911 GT3 Manthey upgrade, Polestar 5, Buick Electra-X: Car News Headlines

Porsche is now directly offering a Manthey-Racing upgrade for the 911 GT3, meaning the mods won’t void the manufacturer’s warranty. The upgrade manages to shave four seconds off the 911 GT3’s Nürburgring lap time without resorting to simply adding more power. A Polestar 5 is coming in 2024 to take on the Porsche Taycan and high-end…