911 Turbo S, Aston Martin, Editor's Choice, News, Porsche, V12, Vantage S, Videos Porsche 911 Turbo S versus Aston Martin V12 Vantage S 4:30 PM The Aston Martin V12 Vantage S Roadster is the drop-top version of the British manufacturer's best and most desirable model. But can it compare favourably to the brilliantly resolved Porsche 911 Turbo S Cabriolet? Steve Sutcliffe finds out.
