YearToAvoid

2008 Cadillac STS Engine Problems

NHTSA has 16 owner complaints about engine problems in the 2008 Cadillac STS, 32% of all 50 complaints for this model year. That is #3 highest engine complaint count among 7 STS model years. These complaints report 1 fire. Median mileage at failure: 80,000 miles.

Engine complaints
16
32% of 50 complaints
All complaints this year
50
Crashes reported
0
Fires reported
1
Injuries reported
0
Median mileage
80,000 mi
Related recalls
0

When 2008 Cadillac STS engine complaints were filed

First complaint Apr 10, 2008, latest Jun 27, 2025.

2008 Cadillac STS engine complaints: complaints filed per month1Apr 2008Feb 2010Apr 2010Nov 2012Nov 2016Jan 2017Sep 2017Dec 2021
16 complaints filed with NHTSA from Apr 2008 to Jun 2025; peak Apr 2008 (1).

Engine recalls for the 2008 Cadillac STS

No safety recalls on record for this model year.

Engine complaints by STS model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200524 (24%)
  2. 200633 (24%)
  3. 20077 (13%)
  4. 200816 (32%)
  5. 20093 (20%)
  6. 20101 (25%)
  7. 20111 (14%)

Frequently asked questions

Does the 2008 Cadillac STS have engine problems?
NHTSA has 16 owner complaints about the engine in the 2008 Cadillac STS, 32% of all complaints for this model year. Median mileage at failure is 80,000 miles.
Which Cadillac STS year has the most engine complaints?
The 2006 Cadillac STS has the most engine complaints (33), compared with 16 for the 2008.
Is there a engine recall for the 2008 Cadillac STS?
No NHTSA recall campaign for the 2008 Cadillac STS is classified under engine. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.