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#BS-2005-CADSTS-4C26

2005 Cadillac Sts

Based on reports from 145 owners and 3 recalls for this exact model.

Complaints
145
Crashes
20
Fires
7
Recalls
3
TSBs
625
🛑

Preliminary Verdict

Red Flag

Based on 145 complaints, 20 crashes, 7 fires, and 3 recalls. This is the worst model year for this vehicle.

See full verdict with buy/skip conditions

Top reported problems

1

ac unit will not hold charge

1 complaints • Severity 8/10

$X,XXX
2

water is leaking into vehicle

1 complaints • Severity 8/10

$X,XXX
3

timing chains stretch

1 complaints • Severity 10/10

$X,XXX

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

19 owners reported electrical issues — failures commonly reported around 60K miles.

!Inspect the EngineMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

24
0–30K
33
30–60K
28
60–90K
10
90–120K
11
120–150K
13
150K+

Peak failure range: 30–60K miles (33 reports) • Median: 60K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical (19 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

Electrical19 (13%)
Engine16 (11%)
Drivetrain13 (9%)
Airbags11 (8%)
Other8 (6%)
Fuel System8 (6%)
Seats5 (3%)
Speed Control5 (3%)

2005 Cadillac Sts: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 13% of all reports filed for the 2005 Cadillac Sts, with 19 owners filing complaints with NHTSA. The median mileage at time of complaint is 60,000 miles, suggesting issues tend to surface around the 60K-mile mark.

Engine Issues

Engine complaints account for 11% of all reports filed for the 2005 Cadillac Sts, with 16 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Drivetrain Issues

Drivetrain complaints account for 9% of all reports filed for the 2005 Cadillac Sts, with 13 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.

Airbags Issues

Airbags complaints account for 8% of all reports filed for the 2005 Cadillac Sts, with 11 owners filing complaints with NHTSA. Owners should pay attention to airbags-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

8
05
9
06
10
07
10
08
8
09
5
10
9
11
7
12
7
13
29
14
7
15
7
16
4
17
6
18
12
19
2
20
3
22
1
23
1
25

Complaints filed with NHTSA by year for the 2005 Cadillac Sts. Recent trend: stable.

Don't negotiate blind — know what this car costs to own

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

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Recall History (3 recalls)

06V020000Mar 2006

FUEL SYSTEM, GASOLINE:DELIVERY

CERTAIN VEHICLES EQUIPPED WITH V6 ENGINES MAY HAVE A CONDITION WHERE FUEL IS NO LONGER SUPPLIED TO THE ENGINE. THIS CONDITION OCCURS WITHOUT THE ILLUMINATION OF THE FUEL LEVEL LOW INDICATOR LIGHT OR THE WARNING CHIME.

06V125000May 2006

SUSPENSION:REAR

CERTAIN VEHICLES HAVE A LEFT OR RIGHT REAR SUSPENSION TOE LINK THAT COULD SEPARATE BECAUSE OF AN INCORRECT WELD.

07V589000Feb 2008

POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL

ON CERTAIN PASSENGER VEHICLES, THE REAR AXLE PINION SEAL DOES NOT MEET ALL OF THE SPECIFICATIONS AND MAY EXPERIENCE A FLUID LEAK.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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This is the worst model year for the Cadillac Sts according to owner complaint data. The biggest problem area is electrical.

2005 Cadillac Sts vs. Class Average (Midsize Cars)

This vehicle

145

Class avg

244

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. 145 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 3 recalls found for this vehicle.

Repair Cost Data

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

Other Cadillac Sts Model Years

20112010200920082007200620052004200320022001200019991998
View all Cadillac Sts years →

2005 Cadillac Sts: Frequently Asked Questions

What is the most common problem with the 2005 Cadillac Sts?
The most commonly reported issue with the 2005 Cadillac Sts is related to the electrical, with 19 complaints filed with NHTSA.
Is the 2005 Cadillac Sts reliable?
The 2005 Cadillac Sts has 145 complaints, 20 crash reports, and 7 fire reports filed with NHTSA. This is below the class average — a positive sign for reliability.
How much does it cost to fix 2005 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 2005 Cadillac Sts have any recalls?
Yes, the 2005 Cadillac Sts has 3 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Cadillac Sts problems start?
Based on 119 complaints with mileage data, the median mileage at time of complaint is 60,000 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.
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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10 sections of AI analysis based on 145 owner reports. Know before you buy.

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