Cadillac STS Cadillac STS 2010 Mazda Mazda6 Mazda Mazda6 2016
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Cadillac STS vs. Mazda Mazda6 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 Mazda6 Invoice Comparison

Lowest Total Price: $34,410

Mazda Mazda6 i Grand Touring   
Difference: $35,200

Lowest Total Invoice: $32,195

Mazda Mazda6 i Grand Touring   
Difference: $33,632

Calculate Payments

  Down Payment Interest Rate Term
Model Year20102016
ModelSTSMazda6
TrimV8 Performancei Grand Touring
Body4dr Sedan4dr Sedan
Base Price $68,785 $30,195
Base Invoice $65,002 $28,519
Technology Package   2,180
Cargo net   50
Door sill trim plates   125
Obstacle detection, rear   475
Remote start   550
Technology Package   1,881
Cargo net   40
Door sill trim plates   100
Obstacle detection, rear   380
Remote start   440
Options (change) 0 3,380
Options (change) 0 2,841
Destination 825 835
Total Price $69,610 $34,410
Total Invoice $65,827 $32,195

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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 Mazda6 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 Mazda6

Lowest Adjusted Price and Invoice: Mazda Mazda6 i Grand Touring
TrueDelta Adjusted Price Difference: $33,850
TrueDelta Adjusted Invoice Difference: $32,355
Model Year20102016
ModelSTSMazda6
TrimV8 Performancei Grand Touring
Body4dr Sedan4dr Sedan
Engine320hp V8184hp I4
TransmissionT6T6
DrivetrainRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15231, 11
Tire (rear if not all the same)235/50-18225/45-19
Total Price$69,610$34,410
Adjustments for Features-1,3500
Feature-Adjusted Total Price$68,260$34,410
Total Invoice$65,827$32,195
Adjustments for Features-1,2770
Feature-Adjusted Total Invoice$64,550$32,195

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Features Comparison: Cadillac STS vs. Mazda Mazda6

Model Year20102016
ModelSTSMazda6
TrimV8 Performancei Grand Touring
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
FWD $0
Accessories 
Heated steering wheel$100 
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
Forward collision warning $200
Rearview camera $200
Cargo Management 
Overhead sunglass holder $25
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Rain-sensing wipers $175
Rear air vents $100
Rear air vents with manual controls$150 
Variable intermittent wipers$75 
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Regenerative braking, capacitor-based $0
Exterior 
Active grille shutters $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 
Head-up display (HUD)$350 
Headlight washers$50 
LED headlights, single projector or low beam only $750
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
Manual lumbar adjuster, driver seat $50
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
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
Polished alloy wheels$350 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,150$4,800
Value of Feature Adjustments$1,350$0
Value of Feature Adjustments-1,2770

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See a complete comparison of Cadillac STS vs. Mazda Mazda6 features.

Specifications Comparison: Cadillac STS vs. Mazda Mazda6

Model Year20102016
ModelSTSMazda6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in111.4 in
Length196.7 in191.5 in
Width72.6 in72.4 in
Height57.6 in57.1 in
Curb Weight3,974 lb.3,180 lb.
Fuel Capacity17.0 gal.16.4 gal.
Row 1 Headroom38.7 in38.4 in
Row 1 Shoulder Room58.6 in57.1 in
Row 1 Hip Room54.6 in56.1 in
Row 1 Legroom42.6 in42.2 in
Row 2 Headroom37.9 in37.1 in
Row 2 Shoulder Room57.4 in55.5 in
Row 2 Hip Room55.6 in56.1 in
Row 2 Legroom38.3 in38.7 in
Cargo Volume13.8 ft314.8 ft3

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See a complete comparison of Cadillac STS vs. Mazda Mazda6 specs.

Option Package Details
Mazda Mazda6 i Grand Touring

Technology Package
FeatureValueRequested?
Adaptive cruise control450Yes
Auto-dimming headlights200Yes
Lane departure warning system200Yes
Automatic braking, high-speed or partial200No
Forward collision warning200No
Active grille shutters0No
Regenerative braking, capacitor-based0No
Total Requested85068%
Total Not Requested40032%

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