"How reliable is the 2018 Cadillac Ats?"

"Based on 25 NHTSA complaints, the 2018 Cadillac Ats has a median complaint mileage of 19000 miles. The most common issue is POWER TRAIN."

"What are common problems with the 2018 Cadillac Ats?"

"The most frequently reported component in NHTSA complaints for the 2018 Cadillac Ats is POWER TRAIN, accounting for a significant portion of the 25 total complaints filed."

2018 Cadillac Ats: Reliability Data

Source: NHTSA — 25 complaints

Total Complaints

19,000mi

Median Mileage

POWER TRAIN

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

18,000 25th Percentile

19,000 Median Mileage

33,527 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

POWER TRAIN

ELECTRICAL SYSTEM

FUEL/PROPULSION SYSTEM

UNKNOWN OR OTHER

STEERING

ENGINE

EXTERIOR LIGHTING

EQUIPMENT

TIRES

AIR BAGS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"WOULD THE DEPT. OF TRANSPORATION BE SO NICE TO TEST VEHICLE LIGHTS AND REMOVE SOME FROM THE ROAD AS THEY ARE CAUSING A LOT OF DEATHS. IF THERE IS SOMETHING BETWEEN A DRIVER & THEM THEY CANNOT BE SEEN. THE WORSE ONE I SEE IS THE NEW CADILLAC WITH 4 OF THE DANGEROUS LIGHTS. THANKS!"

"HIGH PRESSURE FUEL PUMP"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28