One problem related to automatic transmission has been reported for the 2006 Cadillac STS. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Cadillac STS based on all problems reported for the 2006 STS.
V-6 engine, purchase car with approx 30,000 miles. Engine consume one qt of oil every 1400-1500 miles. Use mobil one 5w30 as recommended. No leaks, engine doesn't appear to smoke. Word from dealer; anything from its normal, or it will cost about $100. 00 to check it out, may cost $3000. 00 to ???? to have it fix.
| Differential Unit problems | |
| Power Train problems | |
| Axle Shaft Seal problems | |
| Automatic Transmission problems | |
| Axle Assembly problems |