Techart Unveils Porsche Panamera GrandGT
25 Oct 2010, 10:48 UTC · By: Alina Dumitrache / The German tuners at Techart have just come up with a new enhancement program for the Porsche Panamera, which is set to premiere at the Auto Zurich Car Show on November 11, 2010. Dubbed GrandGT, the...