Most common 2018 Cadillac XTS problems
Share of the 7 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 →
2018 Cadillac XTS recalls (1)
Service brakes, hydraulic › Foundation components › Disc › Caliper
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.
Remedy: GM will notify owners, and dealers will bleed the vehicle's brake system, free of charge. The recall began October 11, 2018.
2018 Cadillac XTS engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 3.6L 6-cyl | 6-speed automatic | FWD | 19 / 28 / 22 |
| 3.6L 6-cyl | 6-speed automatic | AWD | 17 / 26 / 20 |
| 3.6L 6-cyl turbo | 6-speed automatic | AWD | 16 / 23 / 18 |
EPA ratings. Class: Large car.
Frequently asked questions
Is the 2018 Cadillac XTS a good car?
Based on 7 owner complaints filed with NHTSA, the 2018 XTS rates better than average: 65% 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 2018 Cadillac XTS?
The brakes — 2 complaints, 29% of all complaints for this model year. Next are the electrical system (1) and fuel & propulsion system (1).
How many recalls does the 2018 Cadillac XTS have?
There is 1 recall for the 2018 Cadillac XTS, the most recent from August 30, 2018 (caliper). 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 2018 Cadillac XTS problems happen?
The median mileage reported in complaints is about 23,000 miles; 67% 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.