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2006 Cadillac STS

2006 Cadillac STS

Sedan
RWD
Regular Gasoline
Horsepower
MPG Combined
19 mpg
MSRP
Torque
Reliability Score
97/ 100Excellent
Based on 197 NHTSA complaints

Should You Buy a 2006 Cadillac STS?

The 2006 Cadillac STS is a luxury sedan that combines performance with comfort, featuring a robust 4.6L V8 engine that delivers 320 horsepower and 315 lb-ft of torque. With a rear-wheel drive configuration and a 5-speed shiftable automatic transmission, it offers a dynamic driving experience, making it suitable for both daily commutes and spirited drives. However, potential buyers should be aware of its fuel requirements, as it necessitates premium unleaded fuel, which can add to the overall cost of ownership. The MSRP of $47,520 positions it as a premium option in the used luxury car market, appealing to those seeking a blend of performance and refinement.

Despite its strengths, the STS has recorded 197 complaints with notable issues related to air bags, electrical systems, and engine performance. While it boasts a high reliability score of 96.7/100, the presence of 28 crash incidents and 14 fire incidents raises concerns for prospective buyers. It's essential to consider these factors when evaluating the vehicle's long-term reliability and safety.

Ideal For

The 2006 Cadillac STS is best suited for buyers seeking a blend of luxury and performance, particularly those who appreciate a powerful sedan for both daily driving and occasional spirited outings.

Strengths

  • +Powerful 4.6L V8 engine with 320 hp
  • +High reliability score of 96.7/100
  • +Luxurious interior with spacious seating for five
  • +Smooth ride quality and refined handling
  • +Strong brand reputation for luxury and performance

Weaknesses

  • -Requires premium unleaded fuel, increasing operating costs
  • -Reported issues with air bags and electrical systems
  • -Higher maintenance costs typical of luxury vehicles
  • -Limited rear visibility due to design
  • -Potential depreciation concerns in the luxury market

Known Issues (NHTSA Data)

The 2006 Cadillac STS has reported several issues, primarily concerning air bags, which have been noted at various mileage intervals between 60,000 and 120,000 miles. Other areas of concern include the electrical system and engine performance. While there are no deaths reported, the 37 injuries associated with the vehicle highlight the importance of thorough inspection and maintenance. Overall, while there are some complaints, the reliability score suggests that many owners have had positive experiences.

Complaint Patterns by Mileage
AIR BAGS
60000-80000 mi
11 reports
AIR BAGS
80000-100000 mi
11 reports
AIR BAGS
100000-120000 mi
7 reports
ENGINE
60000-80000 mi
6 reports
FUEL/PROPULSION SYSTEM
100000-120000 mi
5 reports
Top Complaint Areas
AIR BAGS25% of complaints
ELECTRICAL SYSTEM10% of complaints
ENGINE10% of complaints
FUEL/PROPULSION SYSTEM9% of complaints
ELECTRONIC STABILITY CONTROL (ESC)4% of complaints

Performance

Horsepower
Torque
Engine
3.6 L
Cylinders
V6
Transmission
Automatic (S5)
Drive Type
RWD

Efficiency

MPG Combined
19
Fuel Type
Regular Gasoline

Dimensions

Length
196.5 in
Width
72.4 in
Height
57.5 in
Wheelbase
116.1 in
Curb Weight
3,858 lbs
Ground Clearance

Capacity

Doors
4
Seating
Cargo
Max Cargo
Max Towing
Max Payload

ddpc Estimated Value

$11,935
$10,145 – $13,725
Depreciation Over Time
New
5yr
10yr
15yr
ddpc Estimate based on original MSRP, standard depreciation curves, vehicle class, and NHTSA reliability data. Not a substitute for professional appraisal. Actual value depends on condition, mileage, location, and market conditions.

Estimated Cost of Ownership

Estimated Annual Cost
$7,515
Per Mile
$0.63
5-Year Total
$73,160
Fuel
$2,333/yr
Maintenance
$600/yr
Insurance
$4,582/yr
Depreciation
$7,117/yr
Based on industry-standard estimates for this vehicle class. Fuel cost assumes 12,000 mi/yr at national average gas prices. Maintenance uses class-based intervals, not manufacturer-specific schedules. Actual costs vary by location, driving habits, and vehicle condition.

Available Trims (4)

STS
RWD
STS
RWD
STS AWD
AWD/4WD
STS AWD
AWD/4WD

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