Porsche 991 GT3 Mk I & 981 Cayman GTS vs Arial Atom 3.5R, Vauxhall VXR 8 GT, BMW i8 & M4, Jaguar F-type R, Renault Megane RS, Corvette, McLaren 650S, Ferrari-458, Alfa Romeo 4C (Autocar mag., 10/2014)

Alfa Romeo, Ariel, BMW, Corvette, Ferrari, Jaguar, McLaren, Opel, Porsche 981C, Porsche 991, Renault
  1042 

Porsche 982 Cayman S & Porsche 991 Turbo S Mk II vs Nissan GTR, Audi S8, BMW M240, M760, Alpina B7, Camaro ZL1, Alfa Giulia, Fiat 124, Honda Civic, Lexus LC500, AMG GTR, Mercedes E63S AMG, Mini JCW, Subaru BRZ, WRX (Car & Driver mag., 10/2017)

Alfa Romeo, Alpina, AMG, AUDI, BMW, Chevrolet, FIAT, Honda, Lexus, Mercedes, Mini, Nissan, Porsche 982, Porsche 991, Subaru
  1937 

RUF SCR Targa vs Porsche 924 Oettinger vs BMW 630 vs VW Golf vs Mercedes 280E AMG vs Opel Kadett vs Audi 80 vs Fiat 131 vs Alfa-Romeo Giulietta (Auto Motor und Sport mag., 11/1980, Deutsch)

Alfa Romeo, AUDI, BMW, FIAT, Mercedes, Opel, Porsche 924, Ruf, VW
  3131 

Porsche 997 GT2 vs Alfa Romeo 8C vs Aston Martin V8 Vantage vs Maserati GT S vs Lambo Gallardo LP560-4 vs Megane R26R

Alfa Romeo, Aston Martin, Lamborghini, Maserati, Porsche 997, Renault
  2084