2018 Cadillac XTS Problems
- Complaints
- 7filed with NHTSA
- Median mileage
- 23,000miles, 3 complaints with mileage
- Recalls
- 1campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
- NHTSA crash rating
- 5 / 5stars overall, 2 rated versions
- EPA fuel economy
- 17 mpgcombined, 3.6L 6-cyl FWD · 15 city / 21 hwy
Sources: NHTSA records for the 2018 Cadillac XTS (complaints, recalls, investigations), NHTSA crash tests, EPA fuel economy. Report an error
NHTSA recorded 7 consumer complaints for the 2018 Cadillac XTS. The part named most often is other or unknown, with 3 complaints (43% of the total), followed by brakes (2) and electrical system (1). 3 of the complaints include a mileage, and 67% of those were filed for vehicles with under 50,000 miles; the median is 23,000 miles. Of all complaints, 2 involved a crash, according to the filers. NHTSA lists 1 recall campaign and 917 technical service bulletins for this model year. Other or unknown complaints overlap with 82 technical service bulletins filed under the same part. Brakes complaints overlap with 1 recall campaign covering the caliper and 25 technical service bulletins filed under the same part.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Other or unknown3 43%
- Brakes2 29%
- Electrical system1 14%
- Fuel system1 14%
Example complaints
Other or unknown: “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.”
NHTSA complaint #11132240, filed 2018-09, 8,000 milesBrakes: “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 was not repaired. …”
NHTSA complaint #11664617, filed 2025-06, 51,870 milesElectrical system: “Infotainment center malfunctioning. Climate control, backup camera and nearly every convenience and safety feature disabled. Cadillac has attempted to fix 5 times and now says that it can not be corrected. Cadillac also acknowledges that this is a known issue. Screen pixelates and/or goes black when the vehicle is in motion.”
NHTSA complaint #11324798, filed 2020-05Mileage when problems were reported
67% of the 3 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 8,000 and 51,870 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Crash test ratings
NHTSA's 5-Star Safety Ratings for the 2018 Cadillac XTS. Frontal results are shown driver / passenger; rollover shows the star rating and NHTSA's estimated risk of rolling over in a single-vehicle crash.
| Version | Overall | Frontal | Side | Side pole | Rollover |
|---|---|---|---|---|---|
| XTS · sedan AWD | ★★★★★ | 5 / 5 | 5 | 5 | 4 · 11.8% risk |
| XTS · sedan FWD | ★★★★★ | 5 / 5 | 5 | 5 | 4 · 11.8% risk |
Driver aids listed by NHTSA for the 2018 model year: forward collision warning optional, lane departure warning optional, automatic emergency braking not available.
Neighbouring years: 2017: same overall rating. A redesign between years can change both the car and the test.
Source: NHTSA New Car Assessment Program (5-Star Safety Ratings), nhtsa.gov/ratings.
Fuel economy and running cost
EPA ratings for each 2018 Cadillac XTS version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).
| Version | Engine | Transmission | City | Hwy | Comb. | Fuel / yr |
|---|---|---|---|---|---|---|
| XTS FWD | 3.6L 6-cyl | 6-speed automatic | 19 | 28 | 22 | $3,050 |
| XTS AWD | 3.6L 6-cyl | 6-speed automatic | 17 | 26 | 20 | $3,350 |
| XTS AWD | 3.6L 6-cyl | 6-speed automatic | 16 | 23 | 18 | $4,550 |
| XTS Hearse FWD | 3.6L 6-cyl | 6-speed automatic | 15 | 21 | 17 | $3,950 |
| XTS Limo FWD | 3.6L 6-cyl | 6-speed automatic | 15 | 21 | 17 | $3,950 |
Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.
Recalls and investigations
- 18V576000Aug 30, 2018Service brakes, hydraulic › Foundation components › Disc › CaliperCovers: Cadillac XTS 2018–2019, Chevrolet Equinox 2018–2019, Impala 2018–2019 +7 more
General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Equinox, Impala, Cruze, Volt and Bolt EV vehicles, GMC Terrain vehicles, Buick Lacrosse and Regal vehicles, Cadillac XTS and XTS Professional vehicles and 2018 Chevrolet Malibu vehicles. The…
Recall details for the 2018 Cadillac XTS → · Check a VIN at nhtsa.gov/recalls
Technical service bulletins
TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 917 on record; the latest 10 are shown.
- 11037555Sep 26, 2026Other or unknown. This PI provides Diagnostics tips on how the LIN bus works and how to diagnosis it.
- 11037253Sep 4, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11035340Jul 21, 2026Other or unknown. PI to help diagnose A/C concern
- 11030974Apr 1, 2026Other or unknown. This preliminary information communicates information about how to determine if a wheel and tires size change is available.
- 11030092Mar 9, 2026Other or unknown. This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
- 11030091Mar 9, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11027601Jan 8, 2026Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
- 11025755Nov 20, 2025Other or unknown. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit…
- 11023091Sep 9, 2025Other or unknown. New Vehicle Monitoring Programs Section in IVH
- 11022084Aug 14, 2025Other or unknown. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Other model years of the Cadillac XTS
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2019 | 6 | 20,000 | 2 | — | 17 | — | Not enough data |
| 2018 | 7 | 23,000 | 1 | 5 | 17 | — | Not enough data |
| 2017 | 24 | 33,500 | 0 | 5 | 17 | — | Stable |
| 2016 | 22 | 15,000 | 0 | 5 | 17 | — | Stable |
| 2015 | 14 | 49,220 | 3 | 5 | 17 | — | Not enough data |
| 2014 | 50 | 40,100 | 4 | 5 | 17 | Not compared (fewer than 3 comparable model years) | Falling |
| 2013 | 103 | 52,840 | 5 | 5 | 17 | Not compared (fewer than 3 comparable model years) | Falling |
Frequently asked questions
How many NHTSA complaints does the 2018 Cadillac XTS have?
NHTSA recorded 7 consumer complaints for the 2018 Cadillac XTS as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 2018 Cadillac XTS is reported most often?
Other or unknown is named most often, in 3 complaints (43% of the total), followed by brakes with 2.
Has the 2018 Cadillac XTS been recalled?
NHTSA lists 1 recall campaign for this model year. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
How did the 2018 Cadillac XTS do in NHTSA crash tests?
NHTSA's 5-Star Safety Ratings give the 2018 Cadillac XTS 5 out of 5 stars overall, across 2 rated versions (body style and drive). Ratings from different model years are only comparable when the vehicle was not redesigned in between.
What gas mileage does the 2018 Cadillac XTS get?
The EPA rates the 2018 Cadillac XTS (XTS Hearse, 3.6L 6-cyl) at 17 mpg combined, 15 city and 21 highway, with an estimated annual fuel cost of $3,950 at 15,000 miles a year. Other engine and drive versions are rated differently.
At what mileage are problems with the 2018 Cadillac XTS reported?
Among the 3 complaints that include a mileage, the median is 23,000 miles and the middle half falls between 8,000 and 51,870 miles; 67% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Crash ratings are from NHTSA’s New Car Assessment Program. Fuel economy is from the EPA and DOE (fueleconomy.gov).
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.