Hennessey HPE1000 Cadillac CTS-V is a 10-Second Sedan

We were sad to learn that model year 2019 will be the end of the CTS-V. What began in 2004 by shoving a Corvette Z06 drivetrain into an unassuming Cadillac has evolved into a supercharged 640 horsepower sledgehammer. From the factory, it offers 640 horsepower and 630 lb-ft of torque, but the engine is unchanged …