Cadillac STS Cadillac STS 2009 Mazda MX-5 Miata Mazda MX-5 Miata 2008

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Cadillac STS vs. Mazda MX-5 Miata 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 MX-5 Miata Invoice Comparison

Lowest Total Price: $29,360

Mazda MX-5 Miata Grand Touring   
Difference: $17,825

Lowest Total Invoice: $26,877

Mazda MX-5 Miata Grand Touring   
Difference: $17,291

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009200920092008
ModelSTSSTSSTSMX-5 Miata
TrimV6V8STS-VGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible
Base Price $46,410 $55,910 $80,160 $25,240
Base Invoice $43,393 $52,276 $73,448 $23,323
Premium Package 1       1,600
Cargo net       40
Rear spoiler       350
Satellite radio       430
Aluminum trim       515
Tires, run-flat       515
Premium Package 1       1,374
Cargo net       32
Rear spoiler       280
Satellite radio       344
Aluminum trim       412
Tires, run-flat       442
Options (change) 0 0 0 3,450
Options (change) 0 0 0 2,884
Destination 775 775 775 670
Gas Tax 0 0 2,100 0
Total Price $47,185 $56,685 $83,035 $29,360
Total Invoice $44,168 $53,051 $76,323 $26,877

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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 MX-5 Miata 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 MX-5 Miata

Lowest Adjusted Price and Invoice: Mazda MX-5 Miata Grand Touring
TrueDelta Adjusted Price Difference: $17,485
TrueDelta Adjusted Invoice Difference: $16,973
Model Year2009200920092008
ModelSTSSTSSTSMX-5 Miata
TrimV6V8STS-VGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible
Engine302hp V6320hp V8469hp V8166hp I4
TransmissionT6T6T6M6
DrivetrainRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 8300, 15?, 7
Tire (rear if not all the same)235/50-17235/50-17255/45-18205/45-17
Total Price$47,185$56,685$83,035$29,360
Adjustments for Features-340-2,180-6,5700
Feature-Adjusted Total Price$46,845$54,505$76,465$29,360
Cost Above Minimum$0$7,660$29,620$0
Total Invoice$44,168$53,051$76,323$26,877
Adjustments for Features-318-2,040-6,0390
Feature-Adjusted Total Invoice$43,850$51,011$70,284$26,877
Cost Above Minimum$0$7,161$26,434$0

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Features Comparison: Cadillac STS vs. Mazda MX-5 Miata

Model Year2009200920092008
ModelSTSSTSSTSMX-5 Miata
TrimV6V8STS-VGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100 
6-speed manual   $150
RWD$0$0$0$0
Accessories 
Heated steering wheel $100$100 
Power rear side windows$200$200$200 
Remote start$150$150$150 
Tilt steering wheel, manual   $150
Tilt/telescoping steering wheel, power$350$350$350 
Universal garage door opener $100$100 
Wind blocker, small   $100
Brakes, Airbags, and Other Safety 
Blind spot warning system  $200 
Brake assist$50$50$50 
Lane departure warning  $200 
Obstacle detection, rear$250$250$250 
Roll bar   $200
Side curtain airbags$350$350$350 
Tires, run-flat  $150$150
Cargo Management 
Cargo net $40$40$40
Rear seat pass-through$100$100$100 
Climate Control 
Automatic air recirculation$100$100$100 
Automatic climate control, front$200$200$200 
Dual-zone climate control$125$125$125 
Heated windshield washer nozzles  $15 
Interior air filter$0$0$0 
Intermittent wipers   $0
Rain-sensing wipers $175$175 
Rear air vents with manual controls$150$150$150 
Variable intermittent wipers$75   
Drivetrain 
Limited-slip rear differential  $300$300
Exterior 
Convertible top   $3000
Laminated front side windows$200$200$200 
Rear spoiler  $200$200
Infotainment 
Bluetooth cell phone link$100$100$100 
CD changer, in-dash $325$325$325
CD player$125   
DVD-Audio-compatible player $0  
DVD-compatible player  $0 
MP3-compatible player   $50
Navigation system  $600 
Rear seat audio controls  $25 
Surround sound  $250 
Telematics service, such as OnStar, with navigation$225$225$225 
Voice control for nav and audio  $100 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75$75 
Auto-dimming headlights  $200 
Auto-dimming rearview mirror$150$150$150 
Automatic headlights$125$125$125 
Compass$0$0  
Head-up display (HUD)  $350 
Headlight washers  $50 
Heated mirrors$25$25$25 
Illuminated visor mirror, driver$50$50$50 
Illuminated visor mirror, passenger$50$50$50 
Outside temperature display$50$50$50 
Trip computer$150$150$150 
Turn signals on or near mirrors$25$25$25 
Visor mirror, driver   $10
Visor mirror, passenger   $10
Xenon HID headlights  $500$500
Seats and Interior Trim 
Aluminum trim$100  $100
Center armrest(s), front row$75$75$75 
Center armrest(s), second row$50$50$50 
Heated front seats $200$200$200
Heated second row seats $200$200 
Leather door panel trim  $250 
Leather-wrapped steering wheel$150 $150$150
Manual height adjuster, driver seat   $50
Memory system, driver seat $200$200 
No leather in second row   $-300
Power 4-way lumbar adjuster, driver seat $150$150 
Power 4-way lumbar adjuster, passenger seat $150$150 
Power fore-aft adjuster, driver seat$100$100$100 
Power fore-aft adjuster, passenger seat$100$100$100 
Power height adjuster, driver seat$100$100$100 
Power height adjuster, passenger seat$100$100$100 
Power recliner, driver seat$100$100$100 
Power recliner, passenger seat$100$100$100 
Power tilt adjuster, driver 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 
Wood/leather-wrapped steering wheel $150  
Suspension, Wheels, and Tires 
Alloy wheels  $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$6,075$7,915$12,305$5,735
Value of Feature Adjustments$340$2,180$6,570$0
Value of Feature Adjustments-318-2,040-6,0390

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Specifications Comparison: Cadillac STS vs. Mazda MX-5 Miata

Model Year20092008
ModelSTSMX-5 Miata
Body4dr Sedan2dr Convertible
Wheelbase116.4 in91.7 in
Length196.7 in157.3 in
Width72.6 in67.7 in
Height57.6 in49.0 in
Curb Weight3,974 lb.2,442 lb.
Fuel Capacity17.0 gal.12.7 gal.
Row 1 Headroom38.7 in37.4 in
Row 1 Shoulder Room58.6 in53.2 in
Row 1 Hip Room54.6 in50.6 in
Row 1 Legroom42.6 in43.1 in
Row 2 Headroom37.9 in0.0 in
Row 2 Shoulder Room57.4 in0.0 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in0.0 in
Cargo Volume13.8 ft35.3 ft3

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Option Package Details
Mazda MX-5 Miata Grand Touring

Premium Package 1
FeatureValueRequested?
Limited-slip rear differential300Yes
Traction control100Yes
Stability control400Yes
Xenon HID headlights500Yes
Alarm100No
Proximity key250Yes
Total Requested155094%
Total Not Requested1006%

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