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Mercedes’ AMG division unveils new twin-turbo V8

Those obsessed with torque bemoaned Mercedes’ high-revving 6.2-litre V8 when it was launched in 2005, but just as the world has come to accept the naturally aspirated engine, the company has now unveiled a new twin-turbo 5.5-litre V8. Up to 563bhp – which is the same as the SLS AMG – and 663lb ft, which is much more than the 479lb ft the modern-day Gullwing supercar manages. The engine is an all-new 5.5-litre V8 (5461cc to be exact) with direct-injection technology, an aluminium crankcase and two turbochargers.

GM reveals new 4.3-liter V6 EcoTec3 truck engine specs and details

The Motor City truck wars are hotter than ever with Ford, Ram and GM each recently revamping their pickup lineup. The most recent contender: GM's redesigned Chevrolet Silverado and GMC Sierra. In addition to new exterior designs, a new engine -- the 4.3-liter EcoTec3 V6 -- will be available to complement V8 options.

Scion FR-S concept

Another day, another variation on the fabled Toyota FT-86. Following on from the FT-86 II at Geneva and the re-emergence of the original version at the Seoul Auto Show, New York played host to the Scion FR-S concept. Unsurprisingly, the FR-S boasts the same front-engine, rear-wheel drive sports car demeanor - hence the name - but differs visually from the other variations from the long awaited Toyota.