The Cadillac ATS-V is a powerful, high-performance version of the Cadillac ATS, a luxury four-door sedan. It features a 3.6L V6 twin-turbocharged engine coupled with either a 6-speed manual or 8-speed automatic transmission, resulting in an impressive 464 horsepower and 445 lb-ft of torque. It also has upgraded suspension, Brembo brakes, and other performance upgrades. The ATS-V is designed to compete with other sport sedans in its class.