Cadillac STS Cadillac STS 2007 Infiniti Q50 Infiniti Q50 2015
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Cadillac STS vs. Infiniti Q50 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. Infiniti Q50 Invoice Comparison

Lowest Total Price: $44,365

Infiniti Q50 3.7 Premium   
Difference: $33,490

Lowest Total Invoice: $41,248

Infiniti Q50 3.7 Premium   
Difference: $30,231

Calculate Payments

  Down Payment Interest Rate Term
Model Year200720152015
ModelSTSQ50Q50
TrimSTS-V3.7 PremiumS 3.7
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $73,810 $40,000 $43,650
Base Invoice $67,638 $37,200 $40,595
Sunroof 1,200    
Navigation Package   1,400 1,400
Cargo Package   200 200
Leather seating surfaces   1,000  
Rear spoiler   860 860
Sunroof 996    
Navigation Package   1,302 1,302
Cargo Package   149 149
Leather seating surfaces   930  
Rear spoiler   762 762
Options (change) 1,200 3,460 2,460
Options (change) 996 3,143 2,213
Destination 745 905 905
Gas Tax 2,100 0 0
Total Price $77,855 $44,365 $47,015
Total Invoice $71,479 $41,248 $43,713

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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 Infiniti Q50 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. Infiniti Q50

Lowest Adjusted Price and Invoice: Infiniti Q50 3.7 Premium
TrueDelta Adjusted Price Difference: $31,080
TrueDelta Adjusted Invoice Difference: $28,018
Model Year200720152015
ModelSTSQ50Q50
TrimSTS-V3.7 PremiumS 3.7
Body4dr Sedan4dr Sedan4dr Sedan
Engine469hp V8328hp V6328hp V6
TransmissionT6T7T7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG20/30 MPG20/30 MPG
Audio (watts, speakers)300, 15?, 14?, 14
Tire (rear if not all the same)255/45-18225/55-17245/40-19
Total Price$77,855$44,365$47,015
Adjustments for Features-2,4100-300
Feature-Adjusted Total Price$75,445$44,365$46,715
Cost Above Minimum$0$0$2,350
Total Invoice$71,479$41,248$43,713
Adjustments for Features-2,2130-279
Feature-Adjusted Total Invoice$69,266$41,248$43,434
Cost Above Minimum$0$0$2,186

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Features Comparison: Cadillac STS vs. Infiniti Q50

Model Year200720152015
ModelSTSQ50Q50
TrimSTS-V3.7 PremiumS 3.7
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100  
7-speed manually-shiftable automatic $1200$1200
RWD$0$0$0
Accessories 
Heated steering wheel$100  
Remote app $25$25
Remote start$150  
Remote window/roof operation $15$15
Tilt/telescoping steering wheel, manual $250$250
Tilt/telescoping steering wheel, power$350  
Brakes, Airbags, and Other Safety 
Obstacle detection, rear$250  
Rearview camera $200$200
Torque vectoring, brake-based $100$100
Cargo Management 
Cargo mat $40$40
Overhead sunglass holder $25$25
Climate Control 
Heated windshield washer nozzles$15  
Rain-sensing wipers$175  
Rear air vents $100$100
Rear air vents with manual controls$150  
Variable intermittent wipers $75$75
Drivetrain 
Limited-slip rear differential$300  
Exterior 
Black grille (optional) $0$0
Laminated front side windows$200  
Self-repairing paint $0$0
Infotainment 
App support $0$0
Aux input $50$50
Bluetooth audio streaming $25$25
CD changer, in-dash$325  
CD player $125$125
Concierge Services - 4 year subscription $200$200
DVD-compatible player$0  
HD radio $50$50
MP3-compatible player $50$50
Rear seat audio controls$25  
SMS text-to-speech reader $25$25
Telematics service, such as OnStar $200$200
Telematics service, such as OnStar, with navigation$225  
Traffic + travel information $25$25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75  
Auto-dimming headlights$200  
Headlight washers$50  
LED headlights $1000$1000
Xenon HID headlights$500  
Seats and Interior Trim 
Aluminum trim $100$100
Heated second row seats$200  
Manual thigh support length adjuster, driver seat  $50
Manual thigh support length adjuster, passenger seat  $50
Memory system, driver seat$200  
Power 4-way lumbar adjuster, driver seat$150  
Power 4-way lumbar adjuster, passenger seat$150  
Power lumbar adjuster, driver seat $100$100
Power seatback bolsters, driver seat  $100
Synthetic suede inserts in leather seating surfaces$0  
Upholstered instrument panel, leather$1000  
Wood trim$300  
Suspension, Wheels, and Tires 
Alloy wheels$350 $350
Auto-leveling rear shocks$200  
Machined alloy wheels $350 
Performance steering system (optional)$0 $0
Sport suspension (upgrade)$0 $0
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$6,740$4,330$4,630
Value of Feature Adjustments$2,410$0$300
Value of Feature Adjustments-2,2130-279

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See a complete comparison of Cadillac STS vs. Infiniti Q50 features.

Specifications Comparison: Cadillac STS vs. Infiniti Q50

Model Year20072015
ModelSTSQ50
Body4dr Sedan4dr Sedan
Wheelbase116.4 in112.2 in
Length196.3 in188.3 in
Width72.6 in71.8 in
Height57.6 in56.8 in
Curb Weight4,233 lb.3,574 lb.
Fuel Capacity17.0 gal.20.0 gal.
Row 1 Headroom38.7 in40.2 in
Row 1 Shoulder Room58.6 in56.7 in
Row 1 Hip Room54.6 in53.2 in
Row 1 Legroom42.6 in44.5 in
Row 2 Headroom37.9 in37.5 in
Row 2 Shoulder Room57.4 in56.1 in
Row 2 Hip Room55.6 in52.5 in
Row 2 Legroom38.3 in35.1 in
Cargo Volume13.8 ft313.5 ft3

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See a complete comparison of Cadillac STS vs. Infiniti Q50 specs.

Option Package Details
Infiniti Q50 3.7 Premium

Leather seating surfaces
FeatureValueRequested?
Leather seating surfaces900Yes
Power lumbar adjuster, driver seat50Yes
Total Requested950100%
Total Not Requested00%
Rear spoiler
FeatureValueRequested?
Rear spoiler200Yes
Black grille (optional)0No
Total Requested200100%
Total Not Requested00%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Telematics service, such as OnStar200Yes
Voice control for nav and audio75Yes
Traffic + travel information25No
Remote app25No
Total Requested87595%
Total Not Requested505%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40No
First-aid kit15No
Total Requested4042%
Total Not Requested5558%

Option Package Details
Infiniti Q50 S 3.7

Rear spoiler
FeatureValueRequested?
Rear spoiler200Yes
Black grille (optional)0No
Total Requested200100%
Total Not Requested00%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Telematics service, such as OnStar200Yes
Voice control for nav and audio75Yes
Traffic + travel information25No
Remote app25No
Total Requested87595%
Total Not Requested505%
Cargo Package
FeatureValueRequested?
Cargo net40Yes
Cargo mat40No
First-aid kit15No
Total Requested4042%
Total Not Requested5558%

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