Cadillac STS Cadillac STS 2009 Mazda Mazda3 Mazda Mazda3 2019
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Cadillac STS vs. Mazda Mazda3 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 Mazda3 Invoice Comparison

Lowest Total Price: $27,920

Mazda Mazda3 Premium   
Difference: $44,860

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092019
ModelSTSMazda3
TrimV8Premium
Body4dr Sedan4dr Sedan
Base Price $55,910 $26,500
Premium Luxury Collection 4,155  
Preferred Equipment Group 1SG 11,940  
Auto-dimming rearview mirror   325
Cargo net   50
Door sill trim plates   125
Premium Luxury Collection 3,449  
Preferred Equipment Group 1SG 9,910  
Auto-dimming rearview mirror   260
Cargo net   40
Door sill trim plates   100
Options (change) 16,095 500
Options (change) 13,359 400
Destination 775 920
Total Price $72,780 $27,920

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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 Mazda3 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 Mazda3

Lowest Adjusted Price and Invoice: Mazda Mazda3 Premium
TrueDelta Adjusted Price Difference: $43,035
TrueDelta Adjusted Invoice Difference: $63,425
Model Year20092019
ModelSTSMazda3
TrimV8Premium
Body4dr Sedan4dr Sedan
Engine320hp V8186hp I4
TransmissionT6T6
DrivetrainRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15?, 12
Tire (rear if not all the same)235/50-18215/45-18
Total Price$72,780$27,920
Adjustments for Features-1,8250
Feature-Adjusted Total Price$70,955$27,920

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Features Comparison: Cadillac STS vs. Mazda Mazda3

Model Year20092019
ModelSTSMazda3
TrimV8Premium
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
FWD $0
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Heated steering wheel$100 
Remote start$150 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
911 assist $25
Active or whiplash-reducing head restraints, front seats $0
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Following distance indicator $25
Forward collision warning $200
G-vectoring control $100
Knee airbag, driver $75
Knee airbag, passenger $75
Lane keeping assist $400
Obstacle detection, rear$250 
Pedestrian detection $50
Rearview camera $200
Cargo Management 
Overhead sunglass holder $25
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Rear air vents with manual controls$150 
Drivetrain 
Limited-slip rear differential$300 
Exterior 
Laminated front side windows$200 
Rear spoiler$200 
Infotainment 
Android Auto support $100
App support $0
Apple CarPlay support $100
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
DVD-compatible player$0 
HD radio $50
Navigation system$600 
Rear seat audio controls$25 
SMS text-to-speech reader $25
Surround sound$250 
Telematics service, such as OnStar, with navigation$225 
USB port $25
Voice control for audio system $25
Voice control for nav and audio$100 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 
Fog lights$125 
Headlight washers$50 
Heated mirrors$25 
LED headlights $1000
Steering-linked headlights $150
Xenon HID headlights$500 
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Folding second row seats $300
Heated second row seats$200 
Leather-wrapped steering wheel $150
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power fore-aft adjuster, passenger seat$100 
Power height adjuster, passenger seat$100 
Power lumbar adjuster, driver seat $100
Power recliner, passenger seat$100 
Power tilt adjuster, passenger seat$100 
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Alloy wheels $350
Performance steering system (optional)$0 
Polished alloy wheels$350 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$8,400$6,575
Value of Feature Adjustments$1,825$0
Value of Feature Adjustments-1,6650

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See a complete comparison of Cadillac STS vs. Mazda Mazda3 features.

Specifications Comparison: Cadillac STS vs. Mazda Mazda3

Model Year20092019
ModelSTSMazda3
Body4dr Sedan4dr Sedan
Wheelbase116.4 in107.3 in
Length196.7 in183.5 in
Width72.6 in70.7 in
Height57.6 in56.9 in
Curb Weight3,974 lb.3,072 lb.
Fuel Capacity17.0 gal.13.2 gal.
Row 1 Headroom38.7 in38.0 in
Row 1 Shoulder Room58.6 in55.7 in
Row 1 Hip Room54.6 in54.6 in
Row 1 Legroom42.6 in42.3 in
Row 2 Headroom37.9 in37.3 in
Row 2 Shoulder Room57.4 in53.5 in
Row 2 Hip Room55.6 in50.9 in
Row 2 Legroom38.3 in35.1 in
Cargo Volume13.8 ft313.2 ft3

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See a complete comparison of Cadillac STS vs. Mazda Mazda3 specs.

Option Package Details
Cadillac STS V8

Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200Yes
Navigation system600No
Surround sound250No
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested175056%
Total Not Requested137544%
Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500No
Cooled or ventilated front seats300No
Sunroof900Yes
Adaptive cruise control450Yes
235/50WR18 tires200No
255/45WR18 tires200No
Termporary spare tire150Yes
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200Yes
Head-up display (HUD)350Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200No
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600No
Surround sound250No
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested295044%
Total Not Requested382556%

Option Package Details
Mazda Mazda3 Premium

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Universal garage door opener100Yes
Total Requested250100%
Total Not Requested00%

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