Cadillac CT6 Cadillac CT6 2018 Cadillac STS Cadillac STS 2009

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Cadillac CT6 vs. Cadillac STS 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 CT6 vs. Cadillac STS Invoice Comparison

Lowest Total Price: $84,335

Cadillac STS STS-V   
Difference: $5,610

Lowest Total Invoice: $77,402

Cadillac STS STS-V   
Difference: $8,056

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182009
ModelCT6STS
TrimPlatinumSTS-V
Body4dr Sedan4dr Sedan
Base Price $84,295 $80,160
Base Invoice $80,080 $73,448
Cargo net 60  
Rear spoiler 495  
Engine-block heater 100 100
3.0L V6 4,000  
Sunroof   1,200
Cargo net 53  
Rear spoiler 441  
Engine-block heater 89 83
3.0L V6 3,800  
Sunroof   996
Options (change) 4,655 1,300
Options (change) 4,383 1,079
Destination 995 775
Gas Tax 0 2,100
Total Price $89,945 $84,335
Total Invoice $85,458 $77,402

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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 CT6 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac CT6 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Cadillac CT6 Platinum
TrueDelta Adjusted Price Difference: $10,510
TrueDelta Adjusted Invoice Difference: $7,260
Model Year20182009
ModelCT6STS
TrimPlatinumSTS-V
Body4dr Sedan4dr Sedan
Engine404hp V6469hp V8
TransmissionT8T6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)18/26 MPG13/19 MPG
Audio (watts, speakers)?, 34300, 15
Tire (rear if not all the same)245/40-20255/45-18
Total Price$89,945$84,335
Adjustments for Features-16,1200
Feature-Adjusted Total Price$73,825$84,335
Total Invoice$85,458$77,402
Adjustments for Features-15,3160
Feature-Adjusted Total Invoice$70,142$77,402

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Features Comparison: Cadillac CT6 vs. Cadillac STS

Model Year20182009
ModelCT6STS
TrimPlatinumSTS-V
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manually-shiftable automatic $1100
AWD$1700 
RWD $0
Accessories 
AC power outlet$100 
Active noise reduction$0 
Adaptive cruise control, all-speed$850 
Cruise control $150
Electronic engine sound enhancement$0 
Hands-free trunk or liftgate$100 
Power trunk closer$350 
Remote app$25 
Semi-automated parking system$500 
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Around view cameras$500 
Automatic braking, high-speed or partial$200 
Automatic braking, low-speed$200 
Backup collision intervention$150 
Cross-traffic warning, rear$100 
Following distance indicator$25 
Forward collision warning$200 
Hands-free driving on limited-access highways$1000 
Knee airbag, driver$75 
Knee airbag, passenger$75 
Lane keeping assist$400 
Night vision$1750 
Obstacle detection, front$150 
Pedestrian detection$50 
Radar- or camera-based collision preparation system$0 
Safety key$5 
Surround view video recorder$50 
Temporary spare tire$150 
Tires, run-flat $150
Vehicle health reports$0 
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Ionizing air filtration$50 
Rear air vents with automatic controls$250 
Rear air vents with manual controls $150
Rear dual-zone climate control$125 
Drivetrain 
Limited-slip rear differential $300
Engine / Motor 
Automatic start / stop$150 
Exterior 
Active grille shutters$0 
Panoramic sunroof$1200 
Sunroof $900
Infotainment 
4G LTE connectivity$0 
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
Entertainment system with dual headrest screens$1200 
HD radio$50 
HDMI port$25 
Rear seat audio controls $25
SMS text-to-speech reader$25 
Streaming video device$30 
Streaming video support$25 
Traffic information$25 
USB port$25 
Voice control for external devices$0 
Wi-Fi hotspot$50 
Wireless charging station$75 
Instruments, Lights, and Mirrors 
Approach detection$25 
Cornering lights$50 
Fog lights $125
Headlight washers $50
Interior ambient lighting$150 
Large color reconfigurable instrument cluster display$250 
LED headlights$1000 
Power-folding mirrors$50 
Rear camera mirror$200 
Xenon HID headlights $500
Seats and Interior Trim 
Cooled or ventilated front seats$300 
Cooled or ventilated second row seats$200 
Door sill trim plates $100
Illuminated door sill trim plates$200 
Massage, driver seat$100 
Massage, passenger seat$100 
Massage, second row seats$150 
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, second row seats$225 
Power recliner, second row seats$150 
Power thigh support length adjuster, driver seat$100 
Power thigh support length adjuster, passenger seat$100 
Power tilt adjuster, second row seats$150 
Power upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Synthetic suede headliner$650 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Auto-leveling rear shocks $200
Performance steering system (optional) $0
Rear wheel steering$1500 
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$20,310$4,190
Value of Feature Adjustments$16,120$0
Value of Feature Adjustments-15,3160

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Specifications Comparison: Cadillac CT6 vs. Cadillac STS

Model Year20182009
ModelCT6STS
Body4dr Sedan4dr Sedan
Wheelbase122.4 in116.4 in
Length204.0 in196.7 in
Width74.0 in72.6 in
Height57.9 in57.6 in
Curb Weight4,085 lb.4,233 lb.
Fuel Capacity19.5 gal.17.0 gal.
Row 1 Headroom40.1 in38.7 in
Row 1 Shoulder Room58.3 in58.6 in
Row 1 Hip Room55.8 in54.6 in
Row 1 Legroom42.3 in42.6 in
Row 2 Headroom38.0 in37.9 in
Row 2 Shoulder Room56.1 in57.4 in
Row 2 Hip Room53.4 in55.6 in
Row 2 Legroom40.4 in38.3 in
Cargo Volume15.3 ft313.8 ft3

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