Stage 2 BMW F13 M6 vs Mercedes-Benz SL65 AMG Black Series
11 Sep 2013, 15:02 UTC · By: Gabriel Nica / The Mercedes-Benz SL65 AMG Black Series is a beast, no question about it. The stock version of that car has 670 HP and 1000 Nm (738 lb-ft) on tap coming out of the V12 under the bonnet. Plenty to...