Mercedes steps into the ultra performance market with the AMG GT-R. A race car hidden in street legal car trim. A twin turbo V8 explodes with response, generating 577HP and an incredible 516Lbs-FT of torque at 1900RPM, which means you will never experience throttle lag. Meant to challenge the Porsche GT3, Mercedes built this car with a flair for the dramatic and an extreme Mercedes stlye.