Not always. The Cadillac ATS line includes both four-cylinder and V6 options, with only certain trims using a V6. The high-performance ATS-V version uses a twin-turbo V6.
Engine options across the ATS lineup
The Cadillac ATS was offered with a mix of engines over its production run, ranging from a turbocharged four-cylinder to a V6. Here are the main powertrain configurations that defined the lineup.
- 2.0L turbocharged inline-4
- 3.6L naturally aspirated V6
- 3.6L twin-turbo V6 (used in the ATS-V)
In summary, the base and regular-performance ATS models could be powered by a four-cylinder or a V6, depending on the trim, while the top-tier ATS-V employed the high-output twin-turbo V6.
ATS-V: the performance V6
The peak-performance variant of the ATS line, the ATS-V, is powered by a 3.6-liter twin-turbo V6 that delivers significantly more power than the standard V6 options. This engine is paired with performance-focused tuning, improved chassis hardware, and overall enhancements designed for track-capable acceleration and handling.
- 3.6L twin-turbo V6 (ATS-V): roughly 464 horsepower and about 445 lb-ft of torque, depending on model year
Thus, if you’re seeking the V6 experience in an ATS, the ATS-V represents the true V6 performance variant, while other trims offered V6 or four-cylinder options depending on configuration.
How to tell if your ATS has a V6
Tips to identify the engine without opening the hood
If you’re evaluating an ATS and want to confirm the engine type, consider these quick checks:
- Inspect the trunk/window sticker or the vehicle’s Monroney label for engine details.
- Look at the exterior badge or model designation on the trunk; “ATS-V” signals the twin-turbo V6.
- Check the engine bay for markings indicating a V6, and note if there are turbocharger components visible.
For absolute certainty, consult the vehicle’s VIN and have a dealer decode the specification, which will confirm the exact engine and trim.
Summary
The Cadillac ATS did not consist solely of a V6. While the 3.6L V6 powered many non-V models, the four-cylinder 2.0L turbo was also common, and the top-performance ATS-V used a 3.6L twin-turbo V6. If you want pure V6 performance, look for the ATS-V badge; otherwise, a base or mid-range ATS may use a turbo four-cylinder or a standard V6 depending on the year and trim.


