Cadillac STS Cadillac STS 2009 Mazda MX-5 Miata Mazda MX-5 Miata 2014

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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: $31,350

Mazda MX-5 Miata Grand Touring   
Difference: $15,835

Lowest Total Invoice: $29,360

Mazda MX-5 Miata Grand Touring   
Difference: $14,808

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009200920092014
ModelSTSSTSSTSMX-5 Miata
TrimV6V8STS-VGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible
Base Price $46,410 $55,910 $80,160 $27,550
Base Invoice $43,393 $52,276 $73,448 $26,041
Suspension Package       650
Premium Package       1,390
Cargo net       50
Rear spoiler       400
Aluminum trim       515
Suspension Package       558
Premium Package       1,194
Cargo net       40
Rear spoiler       320
Aluminum trim       412
Options (change) 0 0 0 3,005
Options (change) 0 0 0 2,524
Destination 775 775 775 795
Gas Tax 0 0 2,100 0
Total Price $47,185 $56,685 $83,035 $31,350
Total Invoice $44,168 $53,051 $76,323 $29,360

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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 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: $16,145
TrueDelta Adjusted Invoice Difference: $15,098
Model Year2009200920092014
ModelSTSSTSSTSMX-5 Miata
TrimV6V8STS-VGrand Touring
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible
Engine302hp V6320hp V8469hp V8167hp 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$31,350
Adjustments for Features0-1,840-6,230-310
Feature-Adjusted Total Price$47,185$54,845$76,805$31,040
Cost Above Minimum$0$7,660$29,620$0
Total Invoice$44,168$53,051$76,323$29,360
Adjustments for Features0-1,722-5,726-290
Feature-Adjusted Total Invoice$44,168$51,329$70,597$29,070
Cost Above Minimum$0$7,161$26,429$0

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

Model Year2009200920092014
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$100
Wind blocker, small   $100
Brakes, Airbags, and Other Safety 
Blind spot warning system  $200 
Lane departure warning  $200 
Obstacle detection, rear$250$250$250 
Roll bar   $200
Side curtain airbags$350$350$350 
Tires, run-flat  $150 
Cargo Management 
Cargo net $40$40$40
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 
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 
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 
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 
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$0
Total Value of Features$5,375$7,215$11,605$5,685
Value of Feature Adjustments$0$1,840$6,230$310
Value of Feature Adjustments0-1,722-5,726-290

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

Model Year20092014
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.2,448 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

Suspension Package
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Limited-slip rear differential300Yes
Total Requested550100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Proximity key250Yes
Xenon HID headlights500Yes
Satellite radio200Yes
Bluetooth cell phone link100Yes
Alarm100No
Total Requested105091%
Total Not Requested1009%

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