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The E63 AMG is powered by a hand-built 5.5-liter twin-turbo V8 which produces 577 hp and 590 lb-ft of torque in the top-of-the-line S-Model.
BMW M6 Convertible is powered by a 4.4-liter twin-turbo V8 producing 560 hp and 680Nm of torque.
As tested, the M6 weighs 2045 kgs while the E63 AMG is slimmer at 1920 kgs.
Let’s have a look at how the two vehicles fare against each other: