Cadillac STS Cadillac STS 2009 Mazda Mazda6 Mazda Mazda6 2008

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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: $26,830

Mazda Mazda6 i   
Difference: $27,795

Lowest Total Invoice: $24,496

Mazda Mazda6 i   
Difference: $25,847

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009200920082008
ModelSTSSTSSTSMazda6Mazda6
TrimV6V8STS-Vis
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $46,410 $55,910 $80,160 $19,140 $22,360
Base Invoice $43,393 $52,276 $73,448 $17,705 $20,667
Preferred Equipment Group 1SB 3,540        
Luxury Collection 3,900        
Premium Luxury Collection   4,155      
Sunroof     1,200    
Navigation system       2,000 2,000
Grand Touring Package       4,200 3,840
Satellite radio       430 430
Remote start       350 350
Cargo net       40 40
Preferred Equipment Group 1SB 2,938        
Luxury Collection 3,237        
Premium Luxury Collection   3,449      
Sunroof     996    
Navigation system       1,600 1,600
Grand Touring Package       3,865 3,533
Satellite radio       344 344
Remote start       280 280
Cargo net       32 32
Options (change) 7,440 4,155 1,200 7,020 6,660
Options (change) 6,175 3,449 996 6,121 5,789
Destination 775 775 775 670 670
Gas Tax 0 0 2,100 0 0
Total Price $54,625 $60,840 $84,235 $26,830 $29,690
Total Invoice $50,343 $56,500 $77,319 $24,496 $27,126

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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

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Request free, no-obligation Cadillac STS dealer quotes or Mazda Mazda6 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Mazda Mazda6

Lowest Adjusted Price and Invoice: Mazda Mazda6 i
TrueDelta Adjusted Price Difference: $22,435
TrueDelta Adjusted Invoice Difference: $20,907
Model Year20092009200920082008
ModelSTSSTSSTSMazda6Mazda6
TrimV6V8STS-Vis
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine302hp V6320hp V8469hp V8156hp I4212hp V6
TransmissionT6T6T6M5M5
DrivetrainRWDRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)300, 15300, 15300, 15200, 7200, 7
Tire (rear if not all the same)235/50-17235/50-17255/45-18215/50-17215/50-17
Total Price$54,625$60,840$84,235$26,830$29,690
Adjustments for Features-5,360-5,260-7,77500
Feature-Adjusted Total Price$49,265$55,580$76,460$26,830$29,690
Cost Above Minimum$0$6,315$27,195$0$2,860
Total Invoice$50,343$56,500$77,319$24,496$27,126
Adjustments for Features-4,940-4,885-7,13700
Feature-Adjusted Total Invoice$45,403$51,615$70,182$24,496$27,126
Cost Above Minimum$0$6,212$24,779$0$2,630

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Features Comparison: Cadillac STS vs. Mazda Mazda6

Model Year20092009200920082008
ModelSTSSTSSTSMazda6Mazda6
TrimV6V8STS-Vis
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100  
5-speed manual   $0$0
RWD$0$0$0  
FWD   $0$0
Accessories 
Heated steering wheel$100$100$100  
Proximity key$250$250$250  
Remote window/roof operation   $15$15
Tilt/telescoping steering wheel, manual   $250$250
Tilt/telescoping steering wheel, power$350$350$350  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats   $0$0
Blind spot warning system  $200  
Brake assist$50$50$50  
Lane departure warning  $200  
Obstacle detection, rear$250$250$250  
Stability control$400$400$400  
Temporary spare tire$150$150 $150$150
Tires, run-flat  $150  
Cargo Management 
Overhead sunglass holder   $25$25
Rear seat pass-through$100$100$100  
Climate Control 
Automatic air recirculation$100$100$100  
Dual-zone climate control$125$125$125  
Heated windshield washer nozzles  $15  
Rain-sensing wipers$175$175$175  
Rear air vents with manual controls$150$150$150  
Variable intermittent wipers   $75$75
Drivetrain 
Limited-slip rear differential  $300  
Exterior 
Body kit   $0$0
Bodyside moldings   $75$75
Laminated front side windows$200$200$200  
Rear spoiler  $200$200$200
Infotainment 
Bluetooth cell phone link$100$100$100  
DVD-compatible player$0$0$0  
Rear seat audio controls$25$25$25  
Surround sound$250$250$250  
Telematics service, such as OnStar, with navigation$225$225$225  
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75  
Auto-dimming headlights$200$200$200  
Automatic headlights$125$125$125  
Automatic-off headlights   $25$25
Compass$0$0 $0$0
Head-up display (HUD)  $350  
Headlight washers$50$50$50  
Trip computer$150$150$150  
Turn signals on or near mirrors$25$25$25  
Seats and Interior Trim 
Cooled or ventilated front seats$300    
Door sill trim plates$100$100$100  
Folding second row seats   $300$300
Heated second row seats$200$200$200  
Leather door panel trim  $250  
Leather-wrapped steering wheel  $150$150$150
Manual lumbar adjuster, driver seat   $50$50
Memory system, driver seat$200$200$200  
Power 4-way lumbar adjuster, driver seat$150$150$150  
Power 4-way lumbar adjuster, passenger seat$150$150$150  
Power fore-aft adjuster, passenger seat$100$100$100  
Power height adjuster, passenger seat$100$100$100  
Power recliner, passenger seat$100$100$100  
Power tilt adjuster, passenger seat$100$100$100  
Synthetic suede inserts in leather seating surfaces  $0  
Upholstered instrument panel, leather  $1000  
Wood trim$300$300$300  
Wood/leather-wrapped steering wheel$150$150   
Suspension, Wheels, and Tires 
Alloy wheels  $350$350$350
Auto-leveling rear shocks $200$200  
Performance steering system (optional)  $0  
Polished alloy wheels$350$350   
Sport suspension (upgrade)  $0  
Total Value of Features$7,025$6,925$9,440$1,665$1,665
Value of Feature Adjustments$5,360$5,260$7,775$0$0
Value of Feature Adjustments-4,940-4,885-7,13700

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Specifications Comparison: Cadillac STS vs. Mazda Mazda6

Model Year20092008
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 Weight3,974 lb.3,288 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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Option Package Details
Cadillac STS V6

Preferred Equipment Group 1SB
FeatureValueRequested?
Cooled or ventilated front seats300No
Wood/leather-wrapped steering wheel0No
Memory system, driver seat200No
DVD-Audio-compatible player0No
Heated steering wheel100No
Cargo net40Yes
Wood trim300No
Heated front seats200Yes
Heated second row seats200No
CD changer, in-dash200Yes
Power 4-way lumbar adjuster, driver seat150No
Power 4-way lumbar adjuster, passenger seat150No
Universal garage door opener100Yes
Rain-sensing wipers100No
Total Requested54026%
Total Not Requested150074%
Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
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 Requested225072%
Total Not Requested87528%

Option Package Details
Cadillac STS V8

Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
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 Requested225072%
Total Not Requested87528%

Option Package Details
Mazda Mazda6 i

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested700100%
Total Not Requested00%
Grand Touring Package
FeatureValueRequested?
Automatic climate control, front200Yes
Sunroof900Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Fog lights125Yes
Xenon HID headlights500Yes
Rear spoiler200Yes
Alarm100No
Upgraded instruments0No
Heated front seats200Yes
Leather seating surfaces900Yes
Heated mirrors25Yes
Bose, 200W, 7 speakers (with subwoofer)350No
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power recliner, driver seat100Yes
Manual lumbar adjuster, driver seat50Yes
Body kit0No
Body color grille (optional)0No
CD changer, in-dash200Yes
Power fore-aft adjuster, driver seat100Yes
215/50VR17 tires400No
Total Requested390082%
Total Not Requested85018%

Option Package Details
Mazda Mazda6 s

Navigation system
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio100Yes
Total Requested700100%
Total Not Requested00%
Grand Touring Package
FeatureValueRequested?
Automatic climate control, front200Yes
Sunroof900Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Fog lights125Yes
Xenon HID headlights500Yes
Rear spoiler200Yes
Alarm100No
Upgraded instruments0No
Heated front seats200Yes
Leather seating surfaces900Yes
Heated mirrors25Yes
Bose, 200W, 7 speakers (with subwoofer)350No
215/50VR17 tires400No
Total Requested330080%
Total Not Requested85020%

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