2025 Porsche 911 GT3 has been spotted testing at the Nürburgring 2025 GT3 sports the same refreshed updates as other 992s Also out testing are updated versions of the Turbo, Turbo S, and GT3 RS grades The current 992 generation of the Porsche 911 has undergone a mid-cycle refresh for the 2025 model year, one that includes the addition of a…