Cadillac STS Cadillac STS 2006 Audi A6 Audi A6 2012

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Cadillac STS vs. Audi A6 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. Audi A6 Invoice Comparison

Lowest Total Price: $50,025

Cadillac STS V6   
Difference: $8,555

Lowest Total Invoice: $45,541

Cadillac STS V6   
Difference: $9,001

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620062012
ModelSTSSTSSTSA6
TrimV6V8STS-V3.0T
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $41,020 $47,520 $73,070 $49,900
Base Invoice $37,944 $43,956 $67,704 $46,408
Preferred Equipment Group 1SC 8,285      
Preferred Equipment Group 1SF   10,740    
Sunroof     1,200  
Cold Weather Package       450
Prestige Package       6,880
Metallic paint (extra cost)       475
Preferred Equipment Group 1SC 6,877      
Preferred Equipment Group 1SF   8,914    
Sunroof     996  
Cold Weather Package       418
Prestige Package       6,398
Metallic paint (extra cost)       443
Options (change) 8,285 10,740 1,200 7,805
Options (change) 6,877 8,914 996 7,259
Destination 720 720 720 875
Gas Tax 0 0 2,100 0
Total Price $50,025 $58,980 $77,090 $58,580
Total Invoice $45,541 $53,590 $71,520 $54,542

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

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TrueDelta Value Comparison: Cadillac STS vs. Audi A6

Lowest Adjusted Price and Invoice: Cadillac STS V6
TrueDelta Adjusted Price Difference: $4,575
TrueDelta Adjusted Invoice Difference: $5,295
Model Year2006200620062012
ModelSTSSTSSTSA6
TrimV6V8STS-V3.0T
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine254hp V6320hp V8469hp V8310hp V6
TransmissionT5T5T6T8
DrivetrainRWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15300, 15630, 14
Tire (rear if not all the same)235/50-17235/50-17255/45-18245/45-18
Total Price$50,025$58,980$77,090$58,580
Adjustments for Features0-1,250-1,715-3,980
Feature-Adjusted Total Price$50,025$57,730$75,375$54,600
Cost Above Minimum$0$7,705$25,350$0
Total Invoice$45,541$53,590$71,520$54,542
Adjustments for Features0-1,136-1,591-3,706
Feature-Adjusted Total Invoice$45,541$52,454$69,929$50,836
Cost Above Minimum$0$6,913$24,388$0

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Features Comparison: Cadillac STS vs. Audi A6

Model Year2006200620062012
ModelSTSSTSSTSA6
TrimV6V8STS-V3.0T
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000$1000  
6-speed manually-shiftable automatic  $1100 
8-speed manually-shiftable automatic   $1300
RWD$0$0$0 
AWD   $1700
Accessories 
Remote start$150$150$150 
Brakes, Airbags, and Other Safety 
Knee airbag, driver   $75
Knee airbag, passenger   $75
Obstacle detection, front   $150
Rearview camera   $200
Rollover sensor   $50
Tires, run-flat  $150 
Climate Control 
Heated windshield washer nozzles  $15$15
Rear air vents with automatic controls   $250
Rear air vents with manual controls$150$150$150 
Rear dual-zone climate control   $125
Residual heat   $50
Drivetrain 
Limited-slip rear differential$300$300$300 
Engine / Motor 
Regenerative braking   $0
Exterior 
Body kit   $0
Laminated front side windows$200$200$200 
Rear spoiler$200$200$200 
Infotainment 
Aux input   $50
Bluetooth audio streaming   $25
CD changer, in-dash$325$325$325 
CD changer, remote   $200
CD player   $125
Handwriting recognition   $200
HD radio   $50
In-vehicle Internet   $150
iPod integration   $100
Media drive   $15
MP3-compatible player   $50
Satellite radio   $200
Telematics service, such as OnStar$200$200$200 
Traffic + travel information   $25
Wi-Fi hotspot   $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200$200 
Auto-dimming passenger-side mirror   $75
Compass   $0
Cornering lights   $50
Fog light, rear   $100
Fog lights$125$125$125 
Headlight washers $50$50 
Mirror tilt-down in reverse   $25
Steering-linked headlights   $150
Xenon HID headlights $500$500$500
Seats and Interior Trim 
Cooled or ventilated front seats$300$300 $300
Folding second row seats   $300
Illuminated door sill trim plates   $200
Leather-wrapped steering wheel  $150$150
Synthetic suede inserts in leather seating surfaces  $0 
Upholstered instrument panel, leather  $1000 
Wood/leather-wrapped steering wheel$150$150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500  
Alloy wheels   $350
Auto-leveling rear shocks$200$200$200 
Electronic systems calibration selector   $200
Performance steering system (optional)$0 $0 
Polished alloy wheels$350$350$350 
Sport suspension (upgrade)$0$0$0 
Total Value of Features$3,650$4,900$5,365$7,630
Value of Feature Adjustments$0$1,250$1,715$3,980
Value of Feature Adjustments0-1,136-1,591-3,706

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Specifications Comparison: Cadillac STS vs. Audi A6

Model Year20062012
ModelSTSA6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in114.7 in
Length196.3 in193.9 in
Width72.6 in73.8 in
Height57.6 in57.8 in
Curb Weight3,961 lb.3,683 lb.
Fuel Capacity17.0 gal.19.8 gal.
Row 1 Headroom38.7 in37.2 in
Row 1 Shoulder Room58.6 in57.5 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom37.9 in37.8 in
Row 2 Shoulder Room57.4 in56.3 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in37.4 in
Cargo Volume13.8 ft314.1 ft3

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Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SC
FeatureValueRequested?
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rear spoiler200No
Wood/leather-wrapped steering wheel0No
Performance steering system (optional)250No
Wood trim300Yes
Heated front seats200Yes
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Rain-sensing wipers100Yes
Memory system, driver seat200Yes
Interior air filter0Yes
Polished alloy wheels0No
Navigation system600Yes
Heated second row seats200Yes
Universal garage door opener100Yes
Bluetooth cell phone link100Yes
Heated steering wheel100Yes
Cargo net40Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Rear air vents with manual controls50Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested404072%
Total Not Requested160028%

Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SF
FeatureValueRequested?
Sport suspension (upgrade)250No
Adaptive shocks - electrical500No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Limited-slip rear differential300No
Rain-sensing wipers100Yes
Xenon HID headlights500Yes
Rear spoiler200No
Wood/leather-wrapped steering wheel0No
Bluetooth cell phone link100Yes
Headlight washers50No
235/50VR17 tires200No
255/45VR17 tires200No
Auto-dimming headlights200No
Navigation system600Yes
Heated second row seats200Yes
Universal garage door opener100Yes
Heated steering wheel100Yes
Interior air filter0Yes
Cargo net40Yes
Surround sound250Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Rear air vents with manual controls50Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Wood trim300Yes
Heated front seats200Yes
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Polished alloy wheels0No
Total Requested454067%
Total Not Requested225033%

Option Package Details
Audi A6 3.0T

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Prestige Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Cooled or ventilated front seats300Yes
Steering-linked headlights150No
Body kit0No
Surround sound250Yes
Interior lights, additional0No
Cornering lights50No
Proximity key250Yes
Sport front fascia (optional)0No
Rear dual-zone climate control125No
Sport rear fascia, e.g. diffuser (optional)0No
Illuminated door sill trim plates100No
Bose, 630W, 14 speakers (with subwoofer)350No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
Handwriting recognition200No
CD changer, remote200Yes
Xenon HID headlights500Yes
Obstacle detection, front150No
Obstacle detection, rear250Yes
Rearview camera200No
Auto-dimming driver-side mirror75Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Auto-dimming passenger-side mirror75No
HD radio50No
Media drive, large15No
Traffic + travel information25No
245/45HR18 tires400No
Total Requested262556%
Total Not Requested209044%

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