Cadillac STS Cadillac STS 2006 Cadillac ATS Cadillac ATS 2015
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Cadillac STS vs. Cadillac ATS Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Cadillac STS vs. Cadillac ATS Invoice Comparison

Lowest Total Price: $51,570

Cadillac ATS Premium   
Difference: $25,620

Lowest Total Invoice: $48,120

Cadillac ATS Premium   
Difference: $23,483

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062015
ModelSTSATS
TrimSTS-VPremium
Body4dr Sedan4dr Sedan
Base Price $73,070 $45,615
Base Invoice $67,704 $42,650
Engine-block heater 100 100
Sunroof 1,200 1,050
Cold Weather Package   600
CD player, remote   300
Polished alloy wheels   850
Cargo net   60
3.6L V6   2,000
Engine-block heater 83 88
Sunroof 996 924
Cold Weather Package   528
CD player, remote   264
Polished alloy wheels   748
Cargo net   53
3.6L V6   1,870
Options (change) 1,300 4,960
Options (change) 1,079 4,475
Destination 720 995
Gas Tax 2,100 0
Total Price $77,190 $51,570
Total Invoice $71,603 $48,120

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Cadillac STS dealer quotes or Cadillac ATS dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Cadillac STS vs. Cadillac ATS

Lowest Adjusted Price and Invoice: Cadillac ATS Premium
TrueDelta Adjusted Price Difference: $27,655
TrueDelta Adjusted Invoice Difference: $25,382
Model Year20062015
ModelSTSATS
TrimSTS-VPremium
Body4dr Sedan4dr Sedan
Engine469hp V8321hp V6
TransmissionT6T6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG18/28 MPG
Audio (watts, speakers)300, 15?, 10
Tire (rear if not all the same)255/45-18225/40-18
Total Price$77,190$51,570
Adjustments for Features0-2,035
Feature-Adjusted Total Price$77,190$49,535
Total Invoice$71,603$48,120
Adjustments for Features0-1,899
Feature-Adjusted Total Invoice$71,603$46,221

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Features Comparison: Cadillac STS vs. Cadillac ATS

Model Year20062015
ModelSTSATS
TrimSTS-VPremium
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0$0
Accessories 
AC power outlet $100
Active noise reduction $0
Remote app $25
Brakes, Airbags, and Other Safety 
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning $200
Lane keeping assist $400
Obstacle detection, front $150
Rear side airbags $300
Rearview camera $200
Vehicle health reports $0
Climate Control 
Heated windshield washer nozzles$15 
Rear air vents $100
Rear air vents with manual controls$150 
Exterior 
Active grille shutters $0
Rear spoiler$200 
Infotainment 
4G LTE connectivity $0
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player, remote $100
DVD-compatible player$0 
HD radio $50
MP3-compatible player $50
Satellite radio $200
Siri Eyes Free support $0
SMS text-to-speech reader $25
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Traffic information $25
Voice control for external devices $0
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
Steering-linked headlights $150
Seats and Interior Trim 
Folding second row seats $300
Heated second row seats$200 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power lumbar adjuster, driver seat $100
Power lumbar adjuster, passenger seat $100
Power seatback bolsters, driver seat $100
Synthetic suede inserts in leather seating surfaces$0 
Upholstered instrument panel $300
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Auto-leveling rear shocks$200 
Performance steering system (optional)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,865$5,900
Value of Feature Adjustments$0$2,035
Value of Feature Adjustments0-1,899

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See a complete comparison of Cadillac STS vs. Cadillac ATS features.

Specifications Comparison: Cadillac STS vs. Cadillac ATS

Model Year20062015
ModelSTSATS
Body4dr Sedan4dr Sedan
Wheelbase116.4 in109.3 in
Length196.3 in182.8 in
Width72.6 in71.1 in
Height57.6 in55.9 in
Curb Weight4,233 lb.3,461 lb.
Fuel Capacity17.0 gal.16.0 gal.
Row 1 Headroom38.7 in38.6 in
Row 1 Shoulder Room58.6 in55.2 in
Row 1 Hip Room54.6 in53.0 in
Row 1 Legroom42.6 in42.5 in
Row 2 Headroom37.9 in36.8 in
Row 2 Shoulder Room57.4 in53.9 in
Row 2 Hip Room55.6 in52.3 in
Row 2 Legroom38.3 in33.5 in
Cargo Volume13.8 ft310.2 ft3

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See a complete comparison of Cadillac STS vs. Cadillac ATS specs.

Option Package Details
Cadillac ATS Premium

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50No
Total Requested10067%
Total Not Requested5033%
Cold Weather Package
FeatureValueRequested?
Heated front seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

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