Used 2006 Cadillac STS
2006 Cadillac STS Overview
2006 Cadillac STS Pricing
2006 Cadillac STS pricing starts at $3,200 for the STS Sedan 4D, which had a starting MSRP of $41,740 when new. The range-topping 2006 STS STS-V Sedan 4D starts at $8,800 today, originally priced from $77,090.
Original MSRP | KBB Fair Purchase Price (national avg.) | |||
|---|---|---|---|---|
$41,740 | $3,200 | |||
$77,090 | $8,800 |
The Kelley Blue Book Fair Purchase Price for any individual used vehicle can vary greatly according to mileage, condition, location, and other factors. The prices here reflect what buyers are currently paying for used 2006 Cadillac STS models in typical condition when purchasing from a dealership. These prices are updated weekly.
STS Consumer Sentiment
Owners give this generation Cadillac STS (2005-2011) a 4.5 out of 5 rating, which is higher than most, and 87% recommend it. These figures are based on 299 consumer reviews, like these:
What Owners are Saying About the 2006 Cadillac STS
"Awesome"
"Awesome car I've had it for 2 years now and haven't had any issues at all."
"Great car"
"I have 75K miles on this car and have replaced the tires and battery. No other expense other than oil changes etc. Original brakes. Tires separated at 70k miles. Replaced battery because of age after four years. Average mpg is 23 with up to 26 hwy at 78mph. All this on 87 octane."
"Nice nice ride"
"I can't believe the depreciation. V8. 4.6 320 HP Clean $3500.00 Trade in ? Yeah it's a 2006 and this 2018. This V 8 an't even broke in yet. So smooth, you don't know if it's on or off. Zero shaking, Windows up, zero outside noise. I don't understand why it don't hold some value."
Overall 2006 Cadillac STS Quality
User sentiment suggests the overall quality of the 2006 Cadillac STS is above average for its class. Owners rated the 2006 Cadillac STS quality a 4.5 out of 5.
2006 Cadillac STS Reliability
The 2006 Cadillac STS receives an average consumer rating of 4.5 overall and a 4.5 for reliability, which means owners consider its reliability to be above average.
Favorite 2006 STS Features
According to drivers of the 2006 STS, here are some of its best features:
- Styling, performance, economy.
- Fun
- Fun to drive
- Used .. alot of car for the money ... fun to drive
- AWD, 25mpg, Great ride for the dollar!
2006 Cadillac STS MPG by Trim
2006 STS Sedan 4D - city 16 MPG - hwy 25 MPG
2006 STS STS-V Sedan 4D - city 12 MPG - hwy 19 MPG
2006 STS Safety
2006 Cadillac STS Safety Features
- Child Door Locks
- Child Seat Anchors
- Driver Airbag
- Passenger Airbag
- Rear Side Airbag
- Stability Control
- Traction Control
- Emergency & Security Services
- Front Side Airbag
- Rear Parking Sensors
2006 Cadillac STS
KBB.com Consumer Reviews
Trending Topics in KBB.com Consumer Reviews
2006 Cadillac STS Values and Prices
Style | Trade-In Value | Private Party Value | Fair Purchase Price | ||
|---|---|---|---|---|---|
$1,175 | $2,650 | $3,200 | |||
$5,275 | $7,650 | $8,800 |
2006 Cadillac STS Depreciation
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2006 Cadillac STS Annual Depreciation
Year | Vehicle Depreciation* | Resale Value | Trade-In Value | ||
|---|---|---|---|---|---|
2023 | $345 | $2,647 | $940 | ||
2024 | $231 | $2,416 | $602 | ||
2025 | + $174 | $2,590 | $900 | ||
Now | + $60 | $2,650 | $1,175 |
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2-Year Forecasted Depreciation
*Depreciation for the last 12 months of the private party resale value.
2006 Cadillac STS Depreciation
Annual Depreciation is an estimation of what your vehicle's value might be over time based on an average of similar vehicles. Estimations are calculated by comparing Kelley Blue Book Private Party Values of vehicles similar to yours over time, as well as forecasts from Manheim Auction data comparing current and projected auction values against current Kelley Blue Book Private Party and Trade-In Values. This is not a guarantee of actual depreciation. Local weather conditions, market factors and driver performance will also impact your vehicle's actual depreciation.
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Specifications
Dimensions, Weights & Capacities
Curb Weight | 3960 lbs. | ||
|---|---|---|---|
EPA Total Interior | 116.7 cu.ft. | ||
Fuel Capacity | 17.5 gallons | ||
Front Head Room | 38.7 inches | ||
Front Leg Room | 42.6 inches | ||
Max Seating Capacity | 5 | ||
Overall Length | 196.3 inches | ||
Front Shoulder Room | 58.6 inches | ||
Towing Capacity, Maximum | 1000 lbs. | ||
Trunk or Cargo Capacity | 13.8 cu.ft. | ||
Turning Diameter | 36.9 feet | ||
Wheel Base | 116.4 inches | ||
Width with mirrors | 72.6 inches |
Exterior
Alloy Wheels | Available | ||
|---|---|---|---|
Moon Roof/Sun Roof | Available | ||
Number of Doors | 4 doors | ||
Rear Spoiler | Available |
Fuel Economy
City | 16 mpg | ||
|---|---|---|---|
Highway | 25 mpg | ||
Combined | 19 mpg |
Mechanical
Drivetrain | RWD | ||
|---|---|---|---|
Transmission Type | Automatic | ||
Recommended Fuel | Regular |
Performance
Horsepower | 255 @ 6500 RPM | ||
|---|---|---|---|
Torque | 252 @ 2800 rpm | ||
Engine | V6, 3.6 Liter |
Warranty
Basic | 4 years / 50000 miles | ||
|---|---|---|---|
Powertrain | 4 years / 50000 miles | ||
Corrosion | 6 years / Unlimited miles |
Entertainment
Interior
Seating
Technology
2006 Cadillac STS Safety
Safety Features & Technology
Compare to Similar Vehicles
![]() Used 2006 Cadillac STS | ![]() Used 2011 Hyundai Sonata | ![]() Used 2009 MAZDA MAZDA3 | ![]() Used 2007 Saturn Ion | ||
|---|---|---|---|---|---|
| Price | $3,200 | $3,175 | $3,125 | $3,125 | |
| KBB.com Rating | N/A | 4.0 | N/A | N/A | |
| Consumer Rating | 4.5 | 4.4 | 4.6 | 4.0 | |
| Fuel Economy | City 16/Hwy 25/Comb 19 MPG | City 34/Hwy 39/Comb 36 MPG | City 22/Hwy 30/Comb 25 MPG | City 21/Hwy 29/Comb 24 MPG | |
| Fuel Type | Gas | Hybrid | Gas | Gas | |
| Safety Rating | N/A | 5.0 | N/A | N/A | |
| Seating Capacity | 5 | 5 | 5 | 5 | |
| Basic Warranty | 4 years or 50000 miles | 5 years or 60000 miles | 3 years or 36000 miles | 3 years or 36000 miles | |
| Horsepower | 255 @ 6500 RPM | 206 @ 6000 RPM | 148 @ 6500 RPM | 145 @ 5600 RPM | |
| Engine | V6, 3.6 Liter | 4-Cyl, Hybrid, 2.4 Liter | 4-Cyl, 2.0L 148 HP | 4-Cyl, 2.2 Liter | |
| Drivetrain | RWD | FWD | FWD | FWD |






