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
  2390 

Porsche 997 GT3 RS 4.0 vs Bugatti Veyron SS vs McLaren MP4-12C vs Jaguar XKRS vs Alpina B5 vs Cadillac CTSV vs Bentley Continental GT (Sport Auto mag., 11/2011, Deutsch)

Alpina, Bentley, Bugatti, Cadillac, Jaguar, McLaren, Porsche 997
  1597 

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
  1538