Mazda RX-8 Mazda RX-8 2011 Cadillac STS Cadillac STS 2011

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Mazda RX-8 vs. Cadillac STS 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.

Mazda RX-8 vs. Cadillac STS Invoice Comparison

Lowest Total Price: $36,190

Mazda RX-8 Grand Touring   
Difference: $21,005

Lowest Total Invoice: $33,390

Mazda RX-8 Grand Touring   
Difference: $20,349

Calculate Payments

  Down Payment Interest Rate Term
Model Year201120112011
ModelRX-8STSSTS
TrimGrand TouringLuxuryPremium
Body4dr Coupe4dr Sedan4dr Sedan
Base Price $32,260 $50,820 $56,380
Base Invoice $29,878 $48,024 $53,279
6-speed shiftable automatic 700    
Temporary spare tire 395 350 350
Cargo net 40    
Navigation system 2,000    
Luxury Level Two Package   3,950  
Sunroof   1,200 1,200
6-speed shiftable automatic 645    
Temporary spare tire 320 308 308
Cargo net 32    
Navigation system 1,720    
Luxury Level Two Package   3,476  
Sunroof   1,056 1,056
Options (change) 3,135 5,500 1,550
Options (change) 2,717 4,840 1,364
Destination 795 875 875
Total Price $36,190 $57,195 $58,805
Total Invoice $33,390 $53,739 $55,518

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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 Mazda RX-8 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mazda RX-8 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $18,105
TrueDelta Adjusted Invoice Difference: $17,624
Model Year201120112011
ModelRX-8STSSTS
TrimGrand TouringLuxuryPremium
Body4dr Coupe4dr Sedan4dr Sedan
Engine212hp R2302hp V6302hp V6
TransmissionT6T6T6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)16/23 MPG17/26 MPG17/26 MPG
Audio (watts, speakers)300, 9300, 15300, 15
Tire (rear if not all the same)225/45-18235/50-17235/50-18
Total Price$36,190$57,195$58,805
Adjustments for Features0-2,900-3,600
Feature-Adjusted Total Price$36,190$54,295$55,205
Cost Above Minimum$0$0$910
Total Invoice$33,390$53,739$55,518
Adjustments for Features0-2,725-3,399
Feature-Adjusted Total Invoice$33,390$51,014$52,119
Cost Above Minimum$0$0$1,105

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Features Comparison: Mazda RX-8 vs. Cadillac STS

Model Year201120112011
ModelRX-8STSSTS
TrimGrand TouringLuxuryPremium
Body4dr Coupe4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
RWD$0$0$0
Accessories 
Heated steering wheel $100$100
Power rear side windows $200$200
Remote start $150$150
Tilt steering wheel, manual$150  
Tilt/telescoping steering wheel, power $350$350
Brakes, Airbags, and Other Safety 
Brake assist $50$50
Obstacle detection, rear $250$250
Cargo Management 
Overhead sunglass holder$25  
Second-row high console$250  
Climate Control 
Automatic air recirculation $100$100
Dual-zone climate control $125$125
Rain-sensing wipers$175  
Rear air vents with manual controls $150$150
Variable intermittent wipers $75$75
Drivetrain 
Limited-slip rear differential$300 $300
Exterior 
Laminated front side windows $200$200
Rear spoiler  $200
Infotainment 
Aux input$50  
DVD-compatible player $0$0
MP3-compatible player$50  
Rear seat audio controls $25$25
Telematics service, such as OnStar, with navigation $225$225
Voice control for nav and audio $100$100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75
Auto-dimming headlights $200$200
Compass $0 
Headlight washers $50$50
Trip computer $150$150
Turn signals on or near mirrors $25$25
Seats and Interior Trim 
Cooled or ventilated front seats $300$300
Heated second row seats $200$200
Leather-wrapped steering wheel$150  
Power 4-way lumbar adjuster, driver seat $150$150
Power 4-way lumbar adjuster, passenger seat $150$150
Power fore-aft adjuster, passenger seat $100$100
Power height adjuster, passenger seat $100$100
Power lumbar adjuster, driver seat$100  
Power recliner, passenger seat $100$100
Power tilt adjuster, passenger seat $100$100
Wood trim $300$300
Wood/leather-wrapped steering wheel $150$150
Suspension, Wheels, and Tires 
Alloy wheels$350  
Auto-leveling rear shocks  $200
Polished alloy wheels $350$350
Sport suspension (upgrade)  $0
Transmission 
Steering-wheel-mounted transmission controls$100  
Total Value of Features$2,800$5,700$6,400
Value of Feature Adjustments$0$2,900$3,600
Value of Feature Adjustments0-2,725-3,399

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Specifications Comparison: Mazda RX-8 vs. Cadillac STS

Model Year20112011
ModelRX-8STS
Body4dr Coupe4dr Sedan
Wheelbase106.4 in116.4 in
Length175.6 in196.7 in
Width69.7 in72.6 in
Height52.8 in57.6 in
Curb Weight3,094 lb.3,973 lb.
Fuel Capacity15.9 gal.17.0 gal.
Row 1 Headroom38.2 in38.7 in
Row 1 Shoulder Room54.8 in58.6 in
Row 1 Hip Room53.3 in54.6 in
Row 1 Legroom42.7 in42.6 in
Row 2 Headroom36.8 in37.9 in
Row 2 Shoulder Room54.9 in57.4 in
Row 2 Hip Room48.1 in55.6 in
Row 2 Legroom32.2 in38.3 in
Cargo Volume7.6 ft313.8 ft3

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Option Package Details
Cadillac STS Luxury

Luxury Level Two Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested135065%
Total Not Requested72535%

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