Cadillac STS Cadillac STS 2010 Mazda MX-5 Miata Mazda MX-5 Miata 2014

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $26,975

Mazda MX-5 Miata Sport   
Difference: $24,235

Lowest Total Invoice: $25,251

Mazda MX-5 Miata Sport   
Difference: $23,188

Calculate Payments

  Down Payment Interest Rate Term
Model Year201020102014
ModelSTSSTSMX-5 Miata
TrimV6 LuxuryV6 PremiumSport
Body4dr Sedan4dr Sedan2dr Convertible
Base Price $50,385 $55,945 $23,720
Base Invoice $47,614 $52,868 $22,424
Convenience Package     1,080
Cargo net     50
Rear spoiler     400
Satellite radio     430
CD changer, in-dash     500
Convenience Package     928
Cargo net     40
Rear spoiler     320
Satellite radio     344
CD changer, in-dash     400
Options (change) 0 0 2,460
Options (change) 0 0 2,032
Destination 825 825 795
Total Price $51,210 $56,770 $26,975
Total Invoice $48,439 $53,693 $25,251

Return to top

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 Sport
TrueDelta Adjusted Price Difference: $19,955
TrueDelta Adjusted Invoice Difference: $19,140
Model Year201020102014
ModelSTSSTSMX-5 Miata
TrimV6 LuxuryV6 PremiumSport
Body4dr Sedan4dr Sedan2dr Convertible
Engine302hp V6302hp V6167hp I4
TransmissionT6T6M5
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)17/26 MPG17/26 MPG22/28 MPG
Audio (watts, speakers)?, 8300, 15?, 6
Tire (rear if not all the same)235/50-17235/50-18205/50-16
Total Price$51,210$56,770$26,975
Adjustments for Features-4,280-6,7050
Feature-Adjusted Total Price$46,930$50,065$26,975
Cost Above Minimum$0$3,135$0
Total Invoice$48,439$53,693$25,251
Adjustments for Features-4,048-6,3420
Feature-Adjusted Total Invoice$44,391$47,351$25,251
Cost Above Minimum$0$2,960$0

Return to top

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

Model Year201020102014
ModelSTSSTSMX-5 Miata
TrimV6 LuxuryV6 PremiumSport
Body4dr Sedan4dr Sedan2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 
5-speed manual  $0
RWD$0$0$0
Accessories 
Heated steering wheel$100$100 
Power rear side windows$200$200 
Proximity key$250$250 
Remote start$150$150 
Tilt steering wheel, manual  $150
Tilt/telescoping steering wheel, power$350$350 
Universal garage door opener$100$100 
Wind blocker, small  $100
Brakes, Airbags, and Other Safety 
Obstacle detection, rear$250$250 
Roll bar  $200
Side curtain airbags$350$350 
Cargo Management 
Rear seat pass-through$100$100 
Climate Control 
Automatic air recirculation$100$100 
Automatic climate control, front$200$200 
Dual-zone climate control$125$125 
Interior air filter$0$0 
Intermittent wipers  $0
Rear air vents with manual controls$150$150 
Variable intermittent wipers$75$75 
Drivetrain 
Limited-slip rear differential $300 
Exterior 
Convertible top  $3000
Laminated front side windows$200$200 
Rear spoiler $200$200
Infotainment 
Bluetooth cell phone link$100$100 
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 
Voice control for nav and audio $100 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75 
Auto-dimming headlights $200 
Auto-dimming rearview mirror$150$150 
Automatic headlights$125$125 
Compass$0  
Headlight washers $50 
Heated mirrors$25$25 
Illuminated visor mirror, driver$50$50 
Illuminated visor mirror, passenger$50$50 
Turn signals on or near mirrors$25$25 
Visor mirror, driver  $10
Visor mirror, passenger  $10
Xenon HID headlights $500 
Seats and Interior Trim 
Center armrest(s), front row$75$75 
Center armrest(s), second row$50$50 
Cooled or ventilated front seats$300$300 
Door sill trim plates$100$100 
Heated front seats$200$200 
Heated second row seats$200$200 
Leather seating surfaces$900$900 
Leather-wrapped steering wheel  $150
Manual height adjuster, driver seat  $50
Memory system, driver seat$200$200 
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 
Power fore-aft adjuster, passenger seat$100$100 
Power height adjuster, driver seat$100$100 
Power height adjuster, passenger seat$100$100 
Power recliner, driver seat$100$100 
Power recliner, passenger seat$100$100 
Power tilt adjuster, driver 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 
Total Value of Features$8,550$10,975$4,270
Value of Feature Adjustments$4,280$6,705$0
Value of Feature Adjustments-4,048-6,3420

Return to top

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

Model Year20102014
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 Weight3,973 lb.2,447 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

Return to top

Option Package Details
Mazda MX-5 Miata Sport

Convenience Package
FeatureValueRequested?
Audio controls on steering wheel125Yes
Cruise control150Yes
Power locks275Yes
Remote keyless entry225Yes
Trip computer150Yes
Outside temperature display50Yes
Total Requested975100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Cadillac models.