The Cadillac ATS uses four gasoline engines across its production years: a base 2.5-liter inline-4, a 2.0-liter turbocharged inline-4, a 3.6-liter V6, and the high-performance ATS-V variant with a twin-turbo 3.6-liter V6.
In more detail, the ATS was designed as a compact luxury sedan that could balance everyday usability with driving excitement. Here’s how the engines break down and what they offer in terms of power and responsiveness.
Engine options in the ATS lineup
Below is a concise guide to the four engines that were available in the ATS during its production run, including typical power figures and what to expect in everyday driving.
- 2.5-liter inline-4 (naturally aspirated) — roughly 200 horsepower and about 190 lb-ft of torque; aimed at smooth, efficient driving in base trims.
- 2.0-liter turbocharged inline-4 — approximately 270–272 horsepower; torque typically in the 260–295 lb-ft range depending on year and transmission, delivering stronger acceleration.
- 3.6-liter V6 (naturally aspirated) — about 321 horsepower; around 275 lb-ft of torque for a livelier, quieter V6 experience.
- 3.6-liter twin-turbo V6 (ATS-V) — about 464 horsepower; around 445 lb-ft of torque for high-performance, track-ready power.
These options gave the ATS a broad spectrum—from practical daily usability to high-performance capability—catering to different priorities on a compact luxury platform.
ATS-V engine specifics
The ATS-V’s engine is a 3.6-liter twin-turbo V6 designed for peak performance. It uses dual turbochargers to deliver rapid boost, enhanced intercooling, and strengthened internals to handle sustained high output. The result is roughly 464 horsepower and 445 lb-ft of torque, paired with chassis and suspension tuning aimed at track capability and cornering precision.
What this means for buyers and drivers
For prospective buyers, engine choice in the ATS determines a balance between efficiency, everyday practicality, and outright performance. The base 2.5L engine prioritizes smoothness and economy, the 2.0L turbo adds brisk acceleration, the 3.6L V6 offers stronger all-around performance, and the ATS-V twin-turbo setup targets enthusiasts seeking high-speed capability and precise handling.
Summary
In short, the Cadillac ATS offered four gasoline engines over its production life: a base 2.5L inline-4, a 2.0L turbocharged inline-4, a 3.6L V6, and the high-performance ATS-V twin-turbo 3.6L V6. The lineup covered a range from efficient daily driving to track-ready power, all within a single compact luxury sedan.