Sachsenring lap times (Auto Bild Sportscars mag., 07/2016) 9ff, Cargraphic, Edo, Gemballa, Porsche 981C, Porsche 987C, Porsche 991, Porsche 997, Ruf, TechArt 17.01.2019 2353
Porsche 997 Turbo MkII & 997 GT3 MkII vs RUF Rt 12S vs Konigsegg CCXR vs Gumpert Apollo vs Murcielago vs Aston-Martin V12 vs Wiesmann GT MF5 vs Cadillac CTSV vs MTM RS6 vs CarGraphic 997 Turbo GT RSC 3.6 vs TechArt GTstreet RS (Sport Auto mag., 10/2009, Deutsch) Aston Martin, Cadillac, Cargraphic, Gumpert, Koenigsegg, Lamborghini, Porsche 997, Ruf, TechArt, Wiesmann 16.01.2019 1827
9ff 997 Turbo TRC-78 vs Edo 997 GT2 RS vs Cargraphic 997 GT Turbo RSC 3.6 & 997 GT3 RSC 4.0 (Sport Auto mag., 01/2008, Deutsch) 9ff, Cargraphic, Edo 22.10.2018 1614