2017 New Porsche 911 GT3 Slashes Nuburgring Laptime by 12.3 Seconds Auto News Arvind | May 05, 2017 The facelifted Porsche 911 GT3, or as Porschephiles will refer to it – the 911 GT3.2 has just smashed the outgoing GT3’s record by a staggering 12.3 ...