Cadillac CT6 Cadillac CT6 2016 Audi A4 / S4 Audi A4 / S4 2018

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Cadillac CT6 vs. Audi A4 / S4 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. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $63,100

Audi A4 / S4 S4 3.0T   
Difference: $7,355

Lowest Total Invoice: $58,755

Audi A4 / S4 S4 3.0T   
Difference: $7,082

Calculate Payments

  Down Payment Interest Rate Term
Model Year201620162018
ModelCT6CT6A4 / S4
TrimPremium LuxuryPlatinumS4 3.0T
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $63,570 $83,465 $51,400
Base Invoice $59,438 $78,040 $47,802
Comfort Package 900    
Metallic paint (extra cost) 495 495 575
Rear spoiler 495 495  
3.0L V6 4,000 4,000  
Cold Weather Package     500
Warm Weather Package     950
Driver Assistance Package     1,800
Prestige Package     4,400
S Sport Package     2,500
Comfort Package 792    
Metallic paint (extra cost) 436 436 536
Rear spoiler 436 436  
3.0L V6 3,740 3,740  
Cold Weather Package     466
Warm Weather Package     884
Driver Assistance Package     1,674
Prestige Package     4,092
S Sport Package     2,326
Options (change) 5,890 4,990 10,725
Options (change) 5,404 4,612 9,978
Destination 995 995 975
Total Price $70,455 $89,450 $63,100
Total Invoice $65,837 $83,647 $58,755

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Cadillac CT6 vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $9,710
TrueDelta Adjusted Invoice Difference: $9,275
Model Year201620162018
ModelCT6CT6A4 / S4
TrimPremium LuxuryPlatinumS4 3.0T
Body4dr Sedan4dr Sedan4dr Sedan
Engine404hp V6404hp V6354hp V6
TransmissionT8T8T8
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)18/26 MPG18/26 MPG21/30 MPG
Audio (watts, speakers)?, 10?, 34755, 19
Tire (rear if not all the same)245/45-19245/40-20245/40-18
Total Price$70,455$89,450$63,100
Adjustments for Features0-9,425-2,355
Feature-Adjusted Total Price$70,455$80,025$60,745
Cost Above Minimum$0$9,570$0
Total Invoice$65,837$83,647$58,755
Adjustments for Features0-8,814-2,193
Feature-Adjusted Total Invoice$65,837$74,833$56,562
Cost Above Minimum$0$8,996$0

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Features Comparison: Cadillac CT6 vs. Audi A4 / S4

Model Year201620162018
ModelCT6CT6A4 / S4
TrimPremium LuxuryPlatinumS4 3.0T
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300$1300
AWD$1700$1700$1700
Accessories 
AC power outlet$100$100 
Active noise reduction$0$0 
Adaptive cruise control, all-speed $850 
Adaptive cruise control, all-speed, topography and road sign aware  $1100
Cruise control$150  
Electronic engine sound enhancement $0 
Hands-free trunk or liftgate$100$100 
Low-speed semi-autonomous driving  $100
Power trunk closer$350$350 
Remote start$150$150 
Semi-automated parking system$500$500 
Tilt/telescoping steering wheel, manual  $250
Tilt/telescoping steering wheel, power$350$350 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200$200
Backup collision intervention $150 
Collision preparation system, rear  $100
Driver drowsiness monitor  $150
Evasive maneuver assist  $200
Night vision $1750 
Rollover sensor  $50
Secondary collision brake assist  $25
Surround view video recorder$50$50 
Torque vectoring, brake-based  $100
Turn assist  $25
Vehicle exit assist  $25
Vehicle health reports$0$0 
Wide-view front camera  $150
Wide-view rear camera  $0
Cargo Management 
Air-conditioned storage compartment  $50
Rear seat pass-through$100$100 
Climate Control 
Automatic air recirculation  $100
Heated windshield washer nozzles  $15
Ionizing air filtration $50 
Rear air vents$100  
Rear air vents with automatic controls $250$250
Rear dual-zone climate control $125 
Drivetrain 
Active rear differential  $500
Engine / Motor 
Regenerative braking  $0
Exterior 
Active grille shutters$0$0 
Body kit  $0
Painted brake calipers (optional)  $0
Panoramic sunroof$1200$1200 
Sunroof  $900
Infotainment 
App support$0$0 
CD player, remote  $100
DVD-compatible player  $0
Entertainment system with dual headrest screens $1200 
Handwriting recognition  $200
HDMI port $25 
In-vehicle Internet  $150
Media drive  $15
MP3-compatible player  $50
SD Card slot  $25
SMS text-to-speech reader$25$25 
Telematics service, such as OnStar  $200
Telematics service, such as OnStar, with navigation$225$225 
Traffic + travel information  $25
Traffic information$25$25 
Voice control for external devices$0$0 
Wireless charging station$75$75 
Instruments, Lights, and Mirrors 
Approach detection$25$25 
Auto-dimming passenger-side mirror  $75
Boost gauge  $75
Compass  $0
Cornering lights$50$50 
Fog light, rear  $100
Fog lights  $125
Interior ambient lighting$150$150 
Interior ambient lighting, configurable  $150
Predictive efficiency assist  $0
Rear camera mirror$200$200 
Road sign information  $75
Seats and Interior Trim 
Aluminum trim  $100
Cooled or ventilated second row seats $200 
Coordinated climate control, front seats$0$0 
Folding second row seats  $300
Leather door panel trim $250 
Manual thigh support length adjuster, driver seat  $50
Manual thigh support length adjuster, passenger seat  $50
Massage, driver seat $100 
Massage, passenger seat $100 
Massage, second row seats $150 
Memory system, passenger seat$150$150 
Metal pedals  $75
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 
Upholstered door armrests (optional)  $0
Upholstered instrument panel$300  
Upholstered instrument panel, leather $1000 
Wood trim$300$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500
Electronic systems calibration selector  $200
Rear wheel steering $1500 
Sport suspension (upgrade)  $0
Transmission 
Launch control  $100
Total Value of Features$7,675$17,100$10,030
Value of Feature Adjustments$0$9,425$2,355
Value of Feature Adjustments0-8,814-2,193

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Specifications Comparison: Cadillac CT6 vs. Audi A4 / S4

Model Year20162018
ModelCT6A4 / S4
Body4dr Sedan4dr Sedan
Wheelbase122.4 in111.0 in
Length204.0 in186.1 in
Width74.0 in72.5 in
Height57.9 in56.2 in
Curb Weight4,083 lb.3,858 lb.
Fuel Capacity19.5 gal.16.9 gal.
Row 1 Headroom40.1 in38.9 in
Row 1 Shoulder Room58.3 in55.9 in
Row 1 Hip Room55.8 in0.0 in
Row 1 Legroom42.3 in41.3 in
Row 2 Headroom38.0 in37.4 in
Row 2 Shoulder Room56.1 in54.5 in
Row 2 Hip Room53.4 in0.0 in
Row 2 Legroom40.4 in35.7 in
Cargo Volume15.3 ft313.0 ft3

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Option Package Details
Cadillac CT6 Premium Luxury

Comfort Package
FeatureValueRequested?
Heated second row seats200Yes
Cooled or ventilated front seats300Yes
Total Requested500100%
Total Not Requested00%

Option Package Details
Audi A4 / S4 S4 3.0T

Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125Yes
Total Requested425100%
Total Not Requested00%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400Yes
Following distance indicator25Yes
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested82538%
Total Not Requested135062%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Laminated front side windows200Yes
Around view cameras300Yes
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250Yes
Remote app25Yes
Speed limit information0No
4G LTE connectivity0Yes
Handwriting recognition200No
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Total Requested185077%
Total Not Requested54023%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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