The all-new 2015 Dodge Challenger SRT, with its supercharged 6.2-liter HEMI® Hellcat engine, produces an unprecedented 707 horsepower and 650 lb.-ft. of torque, making it the most powerful Challenger ever, Dodge's most powerful V8 ever and the most powerful muscle car ever.The Challenger's new 6.2-liter Supercharged Hellcat engine is also...

Chevrolet today introduced what it called "the most track-capable Corvette in the brand's history" – the 2015 Corvette Z06 – at the Detroit Auto Show, alongside the race-going C7.R. It elevates the performance envelope for Corvette with unprecedented levels of aerodynamic downforce, at least 625 horsepower from an all-new supercharged...