Porsche 997 GT2 RS vs 9ff BT1000 vs Veyron vs Gallardo vs Corvette vs Lexus LFA vs Mercedes SLS vs BMW M3 vs Bentley Conti vs MTM RS6 vs AC Schnitzer ACS6 vs SpeedArt Panamera (Sport Auto mag., 09/2010, Deutsch)

9ff, Bentley, BMW, Bugatti, Corvette, Lamborghini, Lexus, Mercedes, Porsche 997, Speedart
  1790 

Porsche 997 Turbo S Mk II vs Mercedes SLS vs Lambo Gallardo vs Nissan GTR vs Wiesmann GT vs Ferrari 458 vs Lexus LFA (Autobild Sportscars mag., 10/2010, Deutsch)

Ferrari, Lamborghini, Lexus, Mercedes, Nissan, Porsche 997, Wiesmann
  2394 

Porsche 997 GT2 vs Alpina B6S vs Corvette Z06 vs Lexus ISF vs BMW M6 vs Koenigsegg CCX vs Mercedes SLR vs Lambo Murcielago (Sport Auto mag., 05/2008, Deutsch)

Alpina, BMW, Corvette, Koenigsegg, Lamborghini, Lexus, Mercedes, Porsche 997
  1540