Is the 2011 Cadillac STS a reliable year?

Judged by NHTSA owner complaints and recalls, the 2011 Cadillac STS ranks #6 of 7 among STS model years (Complaint Index 17/100, verdict: Best). It has 7 complaints and 0 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.

What are the most common problems with the 2011 Cadillac STS?

The most reported problem areas are electrical system (3 complaints), brakes (2 complaints), and engine (1 complaints). The median mileage at the time of failure in complaints that report it is 45,500 miles.

Does the 2011 Cadillac STS have any recalls?

No safety recall campaigns list the 2011 Cadillac STS in NHTSA’s recall database at the time of the last data update.

What is the fuel economy of the 2011 Cadillac STS?

EPA rates the 2011 Cadillac STS at 21 MPG combined (18 city / 26.5 highway), with an estimated annual fuel cost of $3,100. Where several configurations exist, the median is shown.

2011 Cadillac STS Reliability Data: Problems & Recalls

Best The 2011 Cadillac STS has 7 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 17 out of 100 — #6 highest of 7 STS model years (verdict: Best). The most reported problem area is electrical system (3 complaints, 43% of the total). Complaints report 1 crash and 2 injuries.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index: 17/100; #6 of 7 STS years
Verdict: Best; vs. other years of this model
Complaints: 7; unique NHTSA reports
Recalls: 0; distinct NHTSA campaigns
Crashes: 1; reported in complaints
Fires: 0
Injuries: 2
Top issue: Electrical System
Best nearby year: 2009; rated Good

NHTSA overall rating: Not rated
EPA combined MPG: 21; 18 city / 26.5 hwy
Injuries / deaths: 2 / 0

2011 Cadillac STS recalls

No safety recalls on record for this model year.

2011 Cadillac STS fuel economy and fuel cost

City: 18 MPG
Highway: 26.5 MPG
Combined: 21 MPG
Annual fuel cost (EPA): $3,100; 15,000 mi/yr
Fuel: Regular
Current regular gas: $4.32/gal; national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2011 compared with other STS years

Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best

Year	Verdict	Index	Complaints	MPG
2009	Good	33	15	19
2010	No verdict	0	4	19.5
2011	Best	17	7	21

All Cadillac STS years: best and worst →

Frequently asked questions

Is the 2011 Cadillac STS a reliable year?: Judged by NHTSA owner complaints and recalls, the 2011 Cadillac STS ranks #6 of 7 among STS model years (Complaint Index 17/100, verdict: Best). It has 7 complaints and 0 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2011 Cadillac STS?: The most reported problem areas are electrical system (3 complaints), brakes (2 complaints), and engine (1 complaints). The median mileage at the time of failure in complaints that report it is 45,500 miles.
Does the 2011 Cadillac STS have any recalls?: No safety recall campaigns list the 2011 Cadillac STS in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2011 Cadillac STS?: EPA rates the 2011 Cadillac STS at 21 MPG combined (18 city / 26.5 highway), with an estimated annual fuel cost of $3,100. Where several configurations exist, the median is shown.