The old SLS AMG Black Series was, arguably, the finest application of the old 6.2-litre M159 V8. With 631hp it was apocalyptically quick with a soundtrack (and price tag) to match. So how is Affalterbach to beat that with its new poster boy, the AMG GT? Can two turbochargers make up for over two litres less swept capacity? This gives us a preview of the answer.
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