Apr 24, 2026EngineFuel system
Fuel and/or combustion problem leading to excessive emissions at unpredictable times. I mean so much smoke suddenly comes out that the driver behind can't see, and it seems the car may be on fire.
NHTSA ODI 11733655
Home · 2015 Cadillac ATS · Complaints
What 28 owners told NHTSA about the 2015 Cadillac ATS
These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.
All (28)Crash / fire / injury (1)Electrical system (6)Steering (6)Transmission & drivetrain (5)Lights (4)Brakes (3)Fuel system (3)Suspension (2)Tires (2)Airbags (1)Engine (1)
1 of 28 complaints match · Engine · clear filters
Working with the data? Download all 28 complaints as CSV · fetched from NHTSA July 21, 2026
How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Cadillac ATS verdict →