The quite discerning looks of the actual SLS rapidly found a great fellowship, but with being a relentlessly performance focused car it sometimes lacks some amenities. With AMG’s efforts to build a SLS roadster, you’ll be confronted with a more cruising-oriented vehicle. The SLS AMG convertible will be powered by an AMG tuned 571 horsepower 6.2-liter V8 that is good for around 450 foot-lb. Not much has been revealed by now, but the SLS will feature AMG’s 7-speed speedshift transmission and an exceptional stiffness.