Cadillac STS Cadillac STS 2011 Cadillac CT6 Cadillac CT6 2018

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Cadillac STS vs. Cadillac CT6 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. Cadillac CT6 Invoice Comparison

Lowest Total Price: $66,695

Cadillac STS Premium   
Difference: $19,250

Lowest Total Invoice: $62,456

Cadillac STS Premium   
Difference: $19,202

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112018
ModelSTSCT6
TrimPremiumPlatinum
Body4dr Sedan4dr Sedan
Base Price $56,380 $84,295
Base Invoice $53,279 $80,080
Platinum Edition 6,500  
Premium Luxury Collection 2,840  
Engine-block heater 100 100
Rear spoiler   495
Cargo net   60
Platinum Edition 5,720  
Premium Luxury Collection 2,499  
Engine-block heater 83 89
Rear spoiler   441
Cargo net   53
Options (change) 9,440 655
Options (change) 8,302 583
Destination 875 995
Total Price $66,695 $85,945
Total Invoice $62,456 $81,658

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

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TrueDelta Value Comparison: Cadillac STS vs. Cadillac CT6

Lowest Adjusted Price and Invoice: Cadillac STS Premium
TrueDelta Adjusted Price Difference: $3,765
TrueDelta Adjusted Invoice Difference: $4,489
Model Year20112018
ModelSTSCT6
TrimPremiumPlatinum
Body4dr Sedan4dr Sedan
Engine302hp V6335hp V6
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15?, 34
Tire (rear if not all the same)235/50-18245/40-20
Total Price$66,695$85,945
Adjustments for Features0-15,485
Feature-Adjusted Total Price$66,695$70,460
Total Invoice$62,456$81,658
Adjustments for Features0-14,713
Feature-Adjusted Total Invoice$62,456$66,945

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Features Comparison: Cadillac STS vs. Cadillac CT6

Model Year20112018
ModelSTSCT6
TrimPremiumPlatinum
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
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
Vehicle health reports $0
Climate Control 
Automatic air recirculation$100 
Ionizing air filtration $50
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Rear air vents with manual controls$150 
Rear dual-zone climate control $125
Variable intermittent wipers$75 
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 second row seats $200
Door sill trim plates$100 
Illuminated door sill trim plates $200
Leather-wrapped steering wheel $150
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
Upholstered instrument panel$300 
Upholstered instrument panel, leather $1000
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Alloy wheels $350
Auto-leveling rear shocks$200 
Chrome-plated alloy wheels$850 
Rear wheel steering $1500
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,400$20,885
Value of Feature Adjustments$0$15,485
Value of Feature Adjustments0-14,713

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Specifications Comparison: Cadillac STS vs. Cadillac CT6

Model Year20112018
ModelSTSCT6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in122.4 in
Length196.7 in204.0 in
Width72.6 in74.0 in
Height57.6 in57.9 in
Curb Weight3,974 lb.3,648 lb.
Fuel Capacity17.0 gal.19.5 gal.
Row 1 Headroom38.7 in40.1 in
Row 1 Shoulder Room58.6 in58.3 in
Row 1 Hip Room54.6 in55.8 in
Row 1 Legroom42.6 in42.3 in
Row 2 Headroom37.9 in38.0 in
Row 2 Shoulder Room57.4 in56.1 in
Row 2 Hip Room55.6 in53.4 in
Row 2 Legroom38.3 in40.4 in
Cargo Volume13.8 ft315.3 ft3

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Option Package Details
Cadillac STS Premium

Platinum Edition
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Sunroof900Yes
235/50WR18 tires200No
255/45WR18 tires200No
Special exterior trim0No
Special interior trim0No
Synthetic suede headliner650Yes
Termporary spare tire150Yes
Upholstered door panels, leather250Yes
Upholstered instrument panel300Yes
Chrome-plated alloy wheels500No
Total Requested225071%
Total Not Requested90029%
Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150Yes
Head-up display (HUD)350Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Total Requested1800100%
Total Not Requested00%

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