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The most powerful turbo-4 in its class and more.

The 2.0L turbocharged four-cylinder engine is the most powerful four-cylinder engine in its class and is standard on Cadillac ATS Turbo and Cadillac ATS Turbo Luxury sedans and coupes. Cadillac ATS Premium Luxury and Cadillac ATS Premium Performance sedans and coupes will be powered exclusively by the company’s award-winning 3.6L V-6 engine.

The 2.0L Turbo delivers 90 percent of its peak torque from 2,100 rpm to 3,000 rpm and the full 295 lb-ft of peak torque (400 Nm) from 3,000 to 4,600 rpm. The broad torque band is supported by boost levels as high as 18 psi (1.26 bar) in the speed range, which is designed to give the lightweight Cadillac ATS an exhilarating feeling of immediate power on demand.

With an SAE-certified output of 335 horsepower (250 kW) and 285 lb-ft of torque (386Nm), the powerful and efficient 3.6L V-6 engine represents a clean sheet, engine redesign from the previous generation. Active Fuel Management (cylinder deactivation) system temporarily deactivates two the 3.6L’s cylinders in light-load driving conditions to enhance fuel efficiency and seamlessly reactivates them when the driver demands full power. Fuel-saving technologies improve fuel economy up to a company-estimated nine percent when compared to the previous V-6.

Both engines optimize power and efficiency with direct injection, dual overhead camshafts with continuously variable valve timing and automatic Stop/Start. With the efficiency-enhancing Stop/Start system, the engine is shut down in certain driving conditions such as stop-and-go city driving to reduce fuel consumption, automatically restarting when the driver takes his or her foot off the brake pedal.

A paddle-shift eight-speed automatic transmission that drives performance is standard with all Cadillac ATS engines. A six-speed manual transmission is available with the ATS Turbo – a choice unavailable with many luxury competitors.

The eight-speed automatic transmission features four simple gearsets for optimal efficiency and five clutches (two brake clutches and three rotating clutches) – creative packaging that enables them to fit the same space as the previous six-speed automatic, while also offering lower weight.

World-class shift time quickness and responsiveness are accomplished with a Gen II controls system, which works with variable force solenoid technology and three internal speed sensors. The transmission controller is mounted externally and its processor executes hundreds of calculations and commands as fast as every 6.25 milliseconds.

Additionally, friction-reducing design features – including synthetic fluid – and lower spin losses via a powerflow that uses only two open clutches contribute further to efficiency. The torque converter design is also specific to each transmission.