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#BS-2011-CADSTS-4C26

2011 Cadillac STSProblems, Recalls & Reliability

Based on reports from 9 owners and 0 recalls for this exact model.

Data updated ·checked October 30, 2026 · NHTSA complaints through October 28, 2026

Complaints
9
Crashes
1
Fires
0
Recalls
0
TSBs
1,235
✅

Preliminary Verdict

Green Light

Based on 9 complaints, 1 crashes, 0 fires, and 0 recalls.

See full verdict with buy/skip conditions

Top reported problems

1

insufficient brake pressure at start up

1 complaints • Severity 10/10

$X,XXX
2

excessive oil consumption

1 complaints • Severity 6/10

$X,XXX
3

moisture in headlight

1 complaints • Severity 10/10

$X,XXX

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

3 owners reported electrical issues — failures commonly reported around 53K miles.

!Inspect the BrakesMED
Look for symptoms of wear and premature failure
+ 4 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical (3 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Electrical3 (33%)
Brakes2 (22%)
Lights1 (11%)
Seat Belts1 (11%)
Steering1 (11%)
Vehicle Speed Control:cruise Control1 (11%)

2011 Cadillac STS: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 33% of all reports filed for the 2011 Cadillac STS, with 3 owners filing complaints with NHTSA. The median mileage at time of complaint is 53,000 miles, suggesting issues tend to surface around the 53K-mile mark.

Brakes Issues

Brakes complaints account for 22% of all reports filed for the 2011 Cadillac STS, with 2 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.

Lights Issues

Lights complaints account for 11% of all reports filed for the 2011 Cadillac STS, with 1 owners filing complaints with NHTSA. Owners should pay attention to lights-related symptoms during test drives and pre-purchase inspections.

Seat Belts Issues

Seat Belts complaints account for 11% of all reports filed for the 2011 Cadillac STS, with 1 owners filing complaints with NHTSA. Owners should pay attention to seat belts-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

Complaint trend by year

1
13
3
14
2
15
2
16
1
25

Complaints filed with NHTSA by year for the 2011 Cadillac STS. Recent trend: decreasing.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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2011 Cadillac STS NHTSA Safety Ratings

Overall

Not rated

Frontal crash

Not rated

Side crash

Not rated

Rollover

★★★★★

5 of 5 stars

From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.

The worst model year for the Cadillac STS is the 2005 — worth knowing if you're cross-shopping years. The biggest problem area is electrical.

2011 Cadillac STS vs. Class Average (Midsize Cars)

This vehicle

9

Class avg

264

Below the class average — fewer complaints than typical midsize cars vehicles. A good sign.

Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 9 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 0 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Last updated (checked October 30, 2026). NHTSA complaints received through October 28, 2026; safety ratings from NHTSA's 5-Star program.

Other Cadillac STS Model Years

20112010200920082007200620052004200320022001200019991998
View all Cadillac STS years →

2011 Cadillac STS: Frequently Asked Questions

What is the most common problem with the 2011 Cadillac STS?
The most commonly reported issue with the 2011 Cadillac STS is related to the electrical, with 3 complaints filed with NHTSA.
Is the 2011 Cadillac STS reliable?
The 2011 Cadillac STS has 9 complaints, 1 crash reports, and 0 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.
How much does it cost to fix 2011 Cadillac STS problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2011 Cadillac STS have any recalls?
No recalls have been issued for the 2011 Cadillac STS according to NHTSA records.
What mileage do Cadillac STS problems start?
Based on 5 complaints with mileage data, the median mileage at time of complaint is 53,000 miles. The highest concentration of reported issues occurs in the 30–60K mile range. The full report breaks down exactly which components fail at each mileage bracket.
When was the 2011 Cadillac STS data last updated?
BumperScan last checked this vehicle against NHTSA on October 30, 2026, covering owner complaints received through October 28, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 4, 2026.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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