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Cadillac STS Reliability by Model Generation

Results are for year ending June 30, 2018. Only successfully completed repairs are currently included in the analysis. Routine maintenance, most wear items, recalls, and problems fixed with just a reflash or warning light reset are not included.
Year and Model % of Average Repair Frequency  

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What Our Members Are Saying about the Reliability And Durability of the Cadillac STS

Cadillac STS Reliability And Durability: Pros
YearBody/PowertrainComment
2006 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD
The car has very few problems. The Northstar engine is built like a trouble-free tank. The few problems it may have in the future, all cars have them, so its not a deal maker or breaker. full 2006 Cadillac STS review
2005 4dr Sedan 255-horsepower 3.6L V6
5-speed shiftable automatic RWD
Only minor problems quickly fixed via warranty. full 2005 Cadillac STS review
2005 4dr Sedan 320-horsepower 4.6L V8
5-speed shiftable automatic RWD
Less trips to the dealer to fix problems. full 2005 Cadillac STS review
Cadillac STS Reliability And Durability: Cons
YearBody/PowertrainComment
2007 4dr Sedan 320-horsepower 4.6L V8
6-speed shiftable automatic RWD
Too many trips to the dealer. Love the look and ride. Just wish it was put together better. For $62k, I expected a lot better. full 2007 Cadillac STS review
2006 4dr Sedan 254-horsepower 3.6L V6
5-speed shiftable automatic RWD
Had to lemon law it after less than 2 years. Car had a lot of mechanical problems. full 2006 Cadillac STS review