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Cadillac STS vs. Mazda Mazda6 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. Mazda Mazda6 Invoice Comparison

Lowest Total Price: $33,905

Mazda Mazda6 MazdaSpeed6 Grand Touring   
Difference: $25,235

Lowest Total Invoice: $31,093

Mazda Mazda6 MazdaSpeed6 Grand Touring   
Difference: $24,358

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112006
ModelSTSMazda6
TrimLuxuryMazdaSpeed6 Grand Touring
Body4dr Sedan4dr Sedan
Base Price $50,820 $29,925
Base Invoice $48,024 $27,608
Luxury Level Two Package 3,950  
Sunroof 1,200 700
AWD 1,900  
Performance braking system (optional) 395  
Navigation system   2,000
Auto-dimming rearview mirror   175
Cargo net   40
Universal garage door opener   75
Satellite radio   430
Luxury Level Two Package 3,476  
Sunroof 1,056 609
AWD 1,672  
Performance braking system (optional) 348  
Navigation system   1,740
Auto-dimming rearview mirror   140
Cargo net   32
Universal garage door opener   60
Satellite radio   344
Options (change) 7,445 3,420
Options (change) 6,552 2,925
Destination 875 560
Total Price $59,140 $33,905
Total Invoice $55,451 $31,093

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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 Mazda Mazda6 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. Mazda Mazda6

Lowest Adjusted Price and Invoice: Mazda Mazda6 MazdaSpeed6 Grand Touring
TrueDelta Adjusted Price Difference: $21,025
TrueDelta Adjusted Invoice Difference: $20,411
Model Year20112006
ModelSTSMazda6
TrimLuxuryMazdaSpeed6 Grand Touring
Body4dr Sedan4dr Sedan
Engine302hp V6274hp I4
TransmissionT6M6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)17/26 MPG19/25 MPG
Audio (watts, speakers)300, 15200, 7
Tire (rear if not all the same)235/50-17215/40-18
Total Price$59,140$33,905
Adjustments for Features-4,2100
Feature-Adjusted Total Price$54,930$33,905
Total Invoice$55,451$31,093
Adjustments for Features-3,9470
Feature-Adjusted Total Invoice$51,504$31,093

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Features Comparison: Cadillac STS vs. Mazda Mazda6

Model Year20112006
ModelSTSMazda6
TrimLuxuryMazdaSpeed6 Grand Touring
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
6-speed manual $150
AWD$1700$1700
Accessories 
Heated steering wheel$100 
Remote start$150 
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Brake assist$50 
Obstacle detection, rear$250 
Tire-pressure monitor$75 
Cargo Management 
Overhead sunglass holder $25
Rear seat pass-through$100 
Climate Control 
Dual-zone climate control$125 
Rear air vents with manual controls$150 
Drivetrain 
Limited-slip rear differential $300
Exterior 
Bodyside cladding $350
Laminated front side windows$200 
Rear spoiler $200
Infotainment 
Bluetooth cell phone link$100 
DVD-compatible player$0 
Rear seat audio controls$25 
Surround sound$250 
Telematics service, such as OnStar, with navigation$225 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 
Auto-dimming headlights$200 
Automatic headlights$125 
Automatic-off headlights $25
Headlight washers$50 
Trip computer$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Heated second row seats$200 
Leather-wrapped steering wheel $150
Manual lumbar adjuster, driver seat $50
Memory system, driver seat$200 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Alloy wheels $350
Polished alloy wheels$350 
Sport suspension (upgrade) $0
Total Value of Features$7,775$3,565
Value of Feature Adjustments$4,210$0
Value of Feature Adjustments-3,9470

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See a complete comparison of Cadillac STS vs. Mazda Mazda6 features.

Specifications Comparison: Cadillac STS vs. Mazda Mazda6

Model Year20112006
ModelSTSMazda6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in105.3 in
Length196.7 in186.8 in
Width72.6 in70.1 in
Height57.6 in56.7 in
Curb Weight4,125 lb.3,589 lb.
Fuel Capacity17.0 gal.18.0 gal.
Row 1 Headroom38.7 in38.7 in
Row 1 Shoulder Room58.6 in56.1 in
Row 1 Hip Room54.6 in54.7 in
Row 1 Legroom42.6 in42.3 in
Row 2 Headroom37.9 in37.1 in
Row 2 Shoulder Room57.4 in54.9 in
Row 2 Hip Room55.6 in54.1 in
Row 2 Legroom38.3 in36.5 in
Cargo Volume13.8 ft315.2 ft3

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See a complete comparison of Cadillac STS vs. Mazda Mazda6 specs.

Option Package Details
Cadillac STS Luxury

Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Navigation system600Yes
Surround sound250No
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested120058%
Total Not Requested87542%

Option Package Details
Mazda Mazda6 MazdaSpeed6 Grand Touring

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested700100%
Total Not Requested00%
Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Compass0Yes
Total Requested150100%
Total Not Requested00%

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