Aston V12 Vantage S vs Porsche 911 R Reviewed by Chris Harris Drives on Top Gear Two epic manual cars. Both rear wheel drive. Both naturally aspirated. Both sideways whenever you want. Welcome to the Aston Martin V12 Vantage S and Porsche 911 R. Who needs turbocharging again? Watch these two dream machines getting spanked by our favorite automotive journo and general car nutcase Chris Harris who takes to the road and track in the Aston Martin V12 Vantage S and Porsche 911 R.