Cadillac STS Cadillac STS 2009 Mazda Mazda3 Mazda Mazda3 2016
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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: $28,940

Mazda Mazda3 s Grand Touring   
Difference: $39,685

Lowest Total Invoice: $27,352

Mazda Mazda3 s Grand Touring   
Difference: $35,609

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092016
ModelSTSMazda3
TrimV8s Grand Touring
Body4dr Sedan4dr Sedan
Base Price $55,910 $24,745
Base Invoice $52,276 $23,673
Preferred Equipment Group 1SG 11,940  
Technology Package   2,600
Cargo net   60
Universal garage door opener   125
Door sill trim plates   125
Obstacle detection, rear   450
Preferred Equipment Group 1SG 9,910  
Technology Package   2,236
Cargo net   48
Universal garage door opener   100
Door sill trim plates   100
Obstacle detection, rear   360
Options (change) 11,940 3,360
Options (change) 9,910 2,844
Destination 775 835
Total Price $68,625 $28,940
Total Invoice $62,961 $27,352

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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 s Grand Touring
TrueDelta Adjusted Price Difference: $35,960
TrueDelta Adjusted Invoice Difference: $32,191
Model Year20092016
ModelSTSMazda3
TrimV8s Grand Touring
Body4dr Sedan4dr Sedan
Engine320hp V8184hp I4
TransmissionT6M6
DrivetrainRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15?, 9
Tire (rear if not all the same)235/50-18215/45-18
Total Price$68,625$28,940
Adjustments for Features-3,7250
Feature-Adjusted Total Price$64,900$28,940
Total Invoice$62,961$27,352
Adjustments for Features-3,4180
Feature-Adjusted Total Invoice$59,543$27,352

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Features Comparison: Cadillac STS vs. Mazda Mazda3

Model Year20092016
ModelSTSMazda3
TrimV8s Grand Touring
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
6-speed manual $150
RWD$0 
FWD $0
Accessories 
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, low-speed $200
Cross-traffic warning, rear $100
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 
Engine / Motor 
Regenerative braking, capacitor-based $0
Exterior 
Active grille shutters $0
Black grille (optional) $0
Laminated front side windows$200 
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-compatible player$0 
HD radio $50
MP3-compatible player $50
Rear seat audio controls$25 
SMS text-to-speech reader $25
Telematics service, such as OnStar, with navigation$225 
Traffic information $25
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75 
Digital instruments $0
Headlight washers$50 
Steering-linked headlights $150
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
Manual lumbar adjuster, driver seat $50
Memory system, driver seat$200 
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 recliner, passenger seat$100 
Power tilt adjuster, driver 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 
Total Value of Features$6,050$2,325
Value of Feature Adjustments$3,725$0
Value of Feature Adjustments-3,4180

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

Specifications Comparison: Cadillac STS vs. Mazda Mazda3

Model Year20092016
ModelSTSMazda3
Body4dr Sedan4dr Sedan
Wheelbase116.4 in106.3 in
Length196.7 in180.3 in
Width72.6 in70.7 in
Height57.6 in57.3 in
Curb Weight3,974 lb.2,855 lb.
Fuel Capacity17.0 gal.13.2 gal.
Row 1 Headroom38.7 in38.6 in
Row 1 Shoulder Room58.6 in57.2 in
Row 1 Hip Room54.6 in55.5 in
Row 1 Legroom42.6 in42.2 in
Row 2 Headroom37.9 in37.5 in
Row 2 Shoulder Room57.4 in54.4 in
Row 2 Hip Room55.6 in53.5 in
Row 2 Legroom38.3 in35.8 in
Cargo Volume13.8 ft312.4 ft3

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

Option Package Details
Cadillac STS V8

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
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200Yes
Voice control for nav and audio100Yes
Navigation system600Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested410061%
Total Not Requested267539%

Option Package Details
Mazda Mazda3 s Grand Touring

Technology Package
FeatureValueRequested?
Adaptive cruise control450Yes
Auto-dimming headlights200Yes
Lane departure warning system200Yes
Automatic braking, low-speed200No
Active grille shutters0No
Regenerative braking, capacitor-based0No
Total Requested85081%
Total Not Requested20019%

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