2018 Cadillac XTS problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
7 owner complaints analyzed
1 distinct recall campaigns
23,000 mi median reported failure mileage
Scope: 2018 model year. Data snapshot: . 3 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Unknown Or Other is the most frequently named component, appearing in 3 of 7 complaints (42.9%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 28.6% |
| Electrical and battery issues | 1 | 14.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Unknown Or Other | 3 |
| Electrical System | 1 |
| Fuel/Propulsion System | 1 |
| Service Brakes | 1 |
| Service Brakes, Hydraulic | 1 |
Unknown Or Other: 3; Electrical System: 1; Fuel/Propulsion System: 1; Service Brakes: 1; Service Brakes, Hydraulic: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 2 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 1 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 2; 25,000 to 49,999: 0; 50,000 to 74,999: 1; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
Under 25,000 miles has the most reports with usable mileage (2). 4 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2022 | 2 |
| 2025 | 1 |
2018: 1; 2019: 2; 2020: 1; 2022: 2; 2025: 1
Pattern summary
Unknown Or Other leads the component reports. Braking behavior appears in 2 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11221251 · 2019-06-19 (June 19, 2019)
TL* THE CONTACT RENTED A 2018 CADILLAC XTS FROM ENTERPRISE CAR RENTAL. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 15 MPH, THE BRAKE PEDAL WAS DEPRESSED HOWEVER, THE VEHICLE INDEPENDENTLY ACCELERATED AND CRASHED INTO THE REAR OF THE VEHICLE AHEAD. THERE WERE NO INJURIES SUSTAINED. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO ENTERPRISE CAR RENTAL. THE CONTACT WAS UNAWARE AS TO WHETHER OR NOT THE VEHICLE WAS EVER DIAGNOSED. THE CONTACT WAS INFORMED BY A THIRD PARTY THAT HANDLES LIABILITY FOR ENTERPRISE CAR RENTAL STATED THAT TH…
Owner-reported narrative. Look up ODI 11221251 at NHTSA ↗
Owner report 11664617 · 2025-06-03 (June 3, 2025)
The contact owns a 2018 Cadillac XTS. The contact stated while driving 45 MPH and attempting to depress the brake pedal, the vehicle failed to respond as needed. The contact stated that the brakes had been previously replaced; however, the failure persisted. The contact self-diagnosed the vehicle and determined that the rear brakes were failing. The contact stated that a dealer was contacted. The vehicle was taken to a dealer where it was inspected, and the contact was informed that there was no failure found with the rear brakes. The vehicle w…
Owner-reported narrative. 51,870 miles reported. Look up ODI 11664617 at NHTSA ↗
Owner report 11132240 · 2018-09-29 (September 29, 2018)
FOR THE SECOND TIME, I CAN'T GET INTO OR START MY CAR AFTER IT'S SAT UNUSED FOR A FEW DAYS. THE FIRST TIME, CADILLAC TOLD ME HOW TO OPEN THE CAR. THEN, I ATTEMPTED UNSUCCESSFULLY TO JUMP START IT. THE DEALERSHIP REPLACED THE BATTERY. WHEN IT HAPPENED THE SECOND TIME, THE DEALERSHIP SAID THEY DIDN'T KNOW WHAT HAPPENED.
Owner-reported narrative. 8,000 miles reported. Look up ODI 11132240 at NHTSA ↗