The DeVille ranks 20th in reliability out of 27 Cadillac models. Its overall PainRank™ of 9.61 is based on relative complaint analysis from 199 owner complaints sent to CarComplaints.com over 16 model years.
We'd recommend avoiding the 8th generation DeVille which runs from 2000–2005.
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
Generations are groups of model years where few, if any, changes were made to the vehicle which means their model years tend to break in similar ways. The DeVille has 3 generations available in North American markets.
Running tally of owner grievances filed to CarComplaints.com.
Documenting the process of troubleshooting common problems.
Time-sensitive, free repairs for widespread safety problems.