Most common 2015 Cadillac XTS problems
Share of the 14 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Cadillac XTS complaints by model year
Best XTS years: 2019, 2018, 2015. Years to avoid: 2013, 2014. Compare all years →
2015 Cadillac XTS recalls (3)
Air bags › Frontal › Driver side › Inflator module
General Motors, LLC (GM) is recalling certain 2015 Cadillac Escalade, Escalade ESV, XTS, 2015-2016 Cadillac ATS, CTS, and SRX vehicles. The front-driver air bag inflator may rupture during deployment.
Remedy: Dealers will replace the front-driver air bag module, free of charge. Interim letters notifying owners of the safety risk were mailed June 19, 2026. Additional letters will be mailed once the remedy is available.
Air bags › Side/window
General Motors LLC (GM) is recalling certain model year 2015 Buick LaCrosse, Cadillac XTS, Chevrolet Camaro, Equinox, Malibu, and GMC Terrain vehicles. The affected vehicles have front seat-mounted side impact air bags whose inflator may rupture upon its deployment.
Remedy: GM will notify owners, and dealers will replace the side impact air bag modules, free of charge. The recall began on October 19, 2015.
Parking brake
General Motors LLC (GM) is recalling certain model year 2013-2015 Cadillac XTS vehicles manufactured February 14, 2012, to August 22, 2014, and 2014-2015 Chevrolet Impala vehicles manufactured November 5, 2012, to September 2, 2014.
Remedy: GM will notify owners, and dealers will update the electronic parking brake software, free of charge. The recall began on October 28, 2014.
What 2015 Cadillac XTS owners say
Electrical system
Forward collision system has not been working properly for the past 3 years the car has been in for service for this problem the last time was March 1st 2023. I nearly had 3 accidents due to the system not working. The last contact was Holman Cadillac I was told by the service manager he would set up appt with the factory service rep and he has not gotten back to me by today's date June 12th 2023. Looking forward to hearing from someone about this problem I feel I am getting the runaround! Thank you [redacted] .
A failure of the self-leveling rear air spring compressor occurred while driving through parking lot. "service rear leveling system" warning was not activated / displayed as published in vehicle owners manual nor did any audible alert sound, notifying driver of any impending problem. As the rear end of the vehicle proceeded to pass over a speed bump at idle speed, the automobile subsequently "bottomed out" leading to significant spine injury. Automobile was un-driveable after incident and was taken to the dealership for repairs via flat bed truck. After suspension compressor was replaced, the automobile continued to have audible creaking in rear suspension while traveling over bumps and dips in the road. Both l and r shocks were replaced after first being inspected and adjusted per GM/Cadillac repair protocol as reported by dealership.
2015 Cadillac XTS engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.6L 6-cyl | 6-speed automatic | FWD | 18 / 28 / 21 |
| 3.6L 6-cyl | 6-speed automatic | AWD | 17 / 26 / 20 |
| 3.6L 6-cyl turbo | 6-speed automatic | AWD | 16 / 24 / 19 |
EPA ratings. Class: Large car.
Frequently asked questions
Is the 2015 Cadillac XTS a good car?
Based on 14 owner complaints filed with NHTSA, the 2015 XTS rates better than average: 58% fewer complaints than a typical year of the XTS at the same age. It is one of the best XTS years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2015 Cadillac XTS?
The electrical system — 5 complaints, 36% of all complaints for this model year. Next are the transmission & drivetrain (2) and lights (2).
How many recalls does the 2015 Cadillac XTS have?
There are 3 recalls for the 2015 Cadillac XTS, the most recent from May 21, 2026 (inflator module). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Cadillac XTS?
The best years by complaints, compared at the same age, are 2019, 2018 and 2015. Years to avoid or approach with caution: 2013 and 2014. See the full Cadillac XTS years comparison.
At what mileage do 2015 Cadillac XTS problems happen?
The median mileage reported in complaints is about 49,000 miles; 56% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.