AutoUtility currently tracks 21 official NHTSA owner defect complaints for the 2018 Cadillac ATS. Powertrain & Transmission issues are the most frequently reported category, appearing in 6 complaints (28.6% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 1 reports one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
6 owner complaints submitted to NHTSA ODI for this subsystem.
3 owner complaints submitted to NHTSA ODI for this subsystem.
3 owner complaints submitted to NHTSA ODI for this subsystem.
2 owner complaints submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Both side mirrors failed. Internal components corroded, one almost fell off when driving, the other later became completely detached. Failed parts that could have caused a major safety issue if they were to fail during operation."
"The contact owns a 2018 Cadillac ATS. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed, and the mechanic determined that the F-module, Part Number: 86815664, used to control the engine Auto START/STOP,..."
"Rear differential. This part will be available after removal. This put me at risk of potentially locking up while driving. According to the dealership, Faulkner Cadillac, "found rear differential bearings damaged, causing noise in the rear end. The Rear Differential will need replaced." There were..."
"My vehicle recently started experiencing an issue where the power steering would randomly cut out while I was driving. If I pulled over and shut the car off and then turned it back on the power steering would come back. But sometimes I would have to do this multiple times in a single drive just to..."
"The power steering will randomly stop working while driving! We have had it in the shop 3 times and they can't find anything! We have replaced alternator, battery and it still isn't fixed! I seen u had a recall on the 16, 17, and some 18s for this issue! We have always bought GMs and are very..."
Reported defect complaint volume across sibling model years (2015–2019)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Cadillac ATS | 29 | 1 | 4 | View 2015 Problems → |
| 2016 Cadillac ATS | 35 | 3 | 3 | View 2016 Problems → |
| 2017 Cadillac ATS | 33 | 1 | 2 | View 2017 Problems → |
| 2018 Cadillac ATS Current Page | 21 | 1 | 2 | Current |
| 2019 Cadillac ATS | 2 | 0 | 0 | View 2019 Problems → |
Complete distribution of consumer defect reports across all 12 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Powertrain NHTSA category: POWER TRAIN | 5 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 3 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 2 | 1 | 0 | 1 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 2 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING | 2 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,EQUIPMENT,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Suspension NHTSA category: SUSPENSION | 1 | 0 | 0 | 0 | 0 |
| Tires NHTSA category: TIRES | 1 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2018 Cadillac ATS
In official NHTSA consumer records, the most frequently cited issue area for the 2018 Cadillac ATS is Powertrain & Transmission, appearing in 6 records (28.6% of submitted filings).
Secondary reported categories include Electrical System (3) and Steering System (3).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 21 consumer defect complaints and 2 safety recall campaigns for the 2018 Cadillac ATS.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2018 Cadillac ATS, 1 filing cites a crash, 0 cite smoke or fire, and 1 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.