Cadillac STS Cadillac STS 2008 Cadillac CT6 Cadillac CT6 2016

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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: $81,750

Cadillac STS STS-V   
Difference: $7,800

Lowest Total Invoice: $75,037

Cadillac STS STS-V   
Difference: $8,698

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082016
ModelSTSCT6
TrimSTS-VPlatinum
Body4dr Sedan4dr Sedan
Base Price $77,575 $83,465
Base Invoice $71,083 $78,040
Engine-block heater 100 100
Sunroof 1,200  
Metallic paint (extra cost)   495
Rear spoiler   495
3.0L V6   4,000
Engine-block heater 83 88
Sunroof 996  
Metallic paint (extra cost)   436
Rear spoiler   436
3.0L V6   3,740
Options (change) 1,300 5,090
Options (change) 1,079 4,700
Destination 775 995
Gas Tax 2,100 0
Total Price $81,750 $89,550
Total Invoice $75,037 $83,735

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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 CT6 Platinum
TrueDelta Adjusted Price Difference: $7,070
TrueDelta Adjusted Invoice Difference: $5,206
Model Year20082016
ModelSTSCT6
TrimSTS-VPlatinum
Body4dr Sedan4dr Sedan
Engine469hp V8404hp V6
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)13/19 MPG18/26 MPG
Audio (watts, speakers)300, 15?, 34
Tire (rear if not all the same)255/45-18245/40-20
Total Price$81,750$89,550
Adjustments for Features0-14,870
Feature-Adjusted Total Price$81,750$74,680
Total Invoice$75,037$83,735
Adjustments for Features0-13,904
Feature-Adjusted Total Invoice$75,037$69,831

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Features Comparison: Cadillac STS vs. Cadillac CT6

Model Year20082016
ModelSTSCT6
TrimSTS-VPlatinum
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
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
Surround view video recorder $50
Tires, run-flat$150 
Vehicle health reports $0
Cargo Management 
Cargo net$40 
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
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
Coordinated climate control, front seats $0
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$4,230$19,100
Value of Feature Adjustments$0$14,870
Value of Feature Adjustments0-13,904

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Specifications Comparison: Cadillac STS vs. Cadillac CT6

Model Year20082016
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 Weight4,233 lb.4,083 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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