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2016 Mercedes-AMG GT will have a 503-horsepower twin-turbo V8

By on June 16, 2014 5:06 PM
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Although the actual vehicle remains shrouded in mystery and camouflage, we now know what will be motivating the new Mercedes-AMG GT supercar that goes on sale in 2015. This even-more-exotic follow-up to the current SLS AMG will arrive packing an all-new Mercedes-AMG 4.0-liter twin-turbocharged V8 engine that puts out 503 horsepower at 6,250 rpm and makes a stout 479 lb-ft of between 1,750 and 4,750 revs. 

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Like BMW's TwinPower Turbo 4.4-liter V8, this new Mercedes-AMG engine has its dual turbos nestled between the cylinder banks to save space and enhance efficiency. In keeping with its high-performance mission, the engine also employs a dry-sump lubrication system that eliminates the need for a conventional oil pan and allows it to be positioned even lower in the GT's aluminum frame to improve handling. Borrowing other tricks gleaned from AMG's legendary success in motorsport, the lightweight block and cylinder heads of the new "M178" engine use a zirconium alloy to better manage and control heat flow patterns while the cylinder walls feature a special nano-particle coating that reduces friction. Although its first appearance will be in the upcoming GT, AMG's latest handbuilt jewel also will be fitted into several other M-B performance variants, including the next-gen Mercedes-Benz C63 AMG lineup. 

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In April, we got our first look at the interior of the new Mercedes-AMG GT which showed this 2-passenger/front-engine coupe will have an aero-themed character that reflects an extension of what's found in the latest strain of M-B sports cars. Next up will be the GT's full reveal, expected to take place this October at the Paris Auto Show.

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