Audi A4 / S4 Audi A4 / S4 2009 Cadillac CT6 Cadillac CT6 2018

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Audi A4 / S4 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.

Audi A4 / S4 vs. Cadillac CT6 Invoice Comparison

Lowest Total Price: $45,500

Audi A4 / S4 A4 2.0T   
Difference: $25,665

Lowest Total Invoice: $42,375

Audi A4 / S4 A4 2.0T   
Difference: $25,229

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920182018
ModelA4 / S4CT6CT6
TrimA4 2.0TPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $31,000 $65,295 $84,295
Base Invoice $28,830 $62,030 $80,080
Prestige Package 7,350    
Navigation system 2,500    
Adaptive cruise control 2,100    
Metallic paint (extra cost) 475 625  
Wood trim 400    
6-speed manual -1,200    
AWD 2,050    
CD player, remote   250  
3.0L V6   4,000 4,000
Cargo net     60
Prestige Package 6,835    
Navigation system 2,326    
Adaptive cruise control 1,953    
Metallic paint (extra cost) 443 556  
Wood trim 373    
6-speed manual -1,117    
AWD 1,907    
CD player, remote   223  
3.0L V6   3,800 3,800
Cargo net     53
Options (change) 13,675 4,875 4,060
Options (change) 12,720 4,579 3,853
Destination 825 995 995
Total Price $45,500 $71,165 $89,350
Total Invoice $42,375 $67,604 $84,928

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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: Audi A4 / S4 vs. Cadillac CT6

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 2.0T
TrueDelta Adjusted Price Difference: $18,465
TrueDelta Adjusted Invoice Difference: $18,389
Model Year200920182018
ModelA4 / S4CT6CT6
TrimA4 2.0TPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan
Engine211hp I4404hp V6404hp V6
TransmissionM6T8T8
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)13/20 MPG18/26 MPG18/26 MPG
Audio (watts, speakers)505, 14?, 10?, 34
Tire (rear if not all the same)245/45-17245/45-19245/40-20
Total Price$45,500$71,165$89,350
Adjustments for Features0-7,200-17,570
Feature-Adjusted Total Price$45,500$63,965$71,780
Cost Above Minimum$0$0$7,815
Total Invoice$42,375$67,604$84,928
Adjustments for Features0-6,840-16,700
Feature-Adjusted Total Invoice$42,375$60,764$68,228
Cost Above Minimum$0$0$7,464

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Features Comparison: Audi A4 / S4 vs. Cadillac CT6

Model Year200920182018
ModelA4 / S4CT6CT6
TrimA4 2.0TPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150  
8-speed manually-shiftable automatic $1300$1300
AWD$1700$1700$1700
Accessories 
AC power outlet $100$100
Active noise reduction $0$0
Adaptive cruise control$600  
Adaptive cruise control, all-speed  $850
Cruise control $150 
Electronic engine sound enhancement  $0
Hands-free trunk or liftgate $100$100
Heated steering wheel $100$100
Power trunk closer $350$350
Remote app $25$25
Remote start $150$150
Semi-automated parking system $500$500
Sunshades, second row $125$125
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0  
Around view cameras $500$500
Automatic braking, high-speed or partial  $200
Automatic braking, low-speed $200$200
Backup collision intervention  $150
Cross-traffic warning, rear $100$100
Following distance indicator $25$25
Hands-free driving on limited-access highways  $1000
Knee airbag, driver $75$75
Knee airbag, passenger $75$75
Lane departure warning $200$200
Lane keeping assist $400$400
Night vision  $1750
Obstacle detection, front $150$150
Pedestrian detection $50$50
Rearview camera$200  
Safety key $5$5
Surround view video recorder $50$50
Vehicle health reports $0$0
Cargo Management 
Cargo net$40 $40
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
Engine / Motor 
Automatic start / stop $150$150
Exterior 
Active grille shutters $0$0
Laminated front side windows $200$200
Panoramic sunroof $1200$1200
Sunroof$900  
Infotainment 
4G LTE connectivity $0$0
Android Auto support $100$100
App support $0$0
Apple CarPlay support $100$100
Bluetooth audio streaming $25$25
CD player$125  
CD player, remote $100 
Entertainment system with dual headrest screens  $1200
HD radio $50$50
HDMI port  $25
iPod integration$100  
MP3-compatible player$50$50 
SD Card slot$25  
SMS text-to-speech reader $25$25
Streaming video device  $30
Streaming video support  $25
Telematics service, such as OnStar, with navigation $225$225
Traffic information $25$25
USB port $25$25
Voice control for external devices $0$0
Wi-Fi hotspot $50$50
Wireless charging station $75$75
Instruments, Lights, and Mirrors 
Approach detection $25$25
Auto-dimming driver-side mirror $75$75
Auto-dimming headlights $200$200
Compass$0  
Cornering lights $50$50
Fog light, rear$100  
Fog lights$125  
Head-up display (HUD) $350$350
Large color reconfigurable instrument cluster display $250$250
LED headlights $1000$1000
Power-folding mirrors $50$50
Rear camera mirror $200$200
Steering-linked headlights$150  
Xenon HID headlights$500  
Seats and Interior Trim 
Cooled or ventilated front seats $300$300
Cooled or ventilated second row seats  $200
Door sill trim plates$100  
Folding second row seats$300  
Heated second row seats $200$200
Illuminated door sill trim plates $200$200
Leather door panel trim  $250
Massage, driver seat  $100
Massage, passenger seat  $100
Massage, second row seats  $150
Memory system, passenger seat $150$150
Power 4-way lumbar adjuster, passenger seat $150$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
Upholstered instrument panel $300 
Upholstered instrument panel, leather  $1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500
Rear wheel steering  $1500
Transmission 
Steering-wheel-mounted transmission controls $100$100
Total Value of Features$5,780$12,980$23,350
Value of Feature Adjustments$0$7,200$17,570
Value of Feature Adjustments0-6,840-16,700

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Specifications Comparison: Audi A4 / S4 vs. Cadillac CT6

Model Year20092018
ModelA4 / S4CT6
Body4dr Sedan4dr Sedan
Wheelbase110.6 in122.4 in
Length185.2 in204.0 in
Width71.9 in74.0 in
Height56.2 in57.9 in
Curb Weight3,866 lb.4,085 lb.
Fuel Capacity16.9 gal.19.5 gal.
Row 1 Headroom40.0 in40.1 in
Row 1 Shoulder Room55.5 in58.3 in
Row 1 Hip Room0.0 in55.8 in
Row 1 Legroom41.3 in42.3 in
Row 2 Headroom37.5 in38.0 in
Row 2 Shoulder Room54.3 in56.1 in
Row 2 Hip Room0.0 in53.4 in
Row 2 Legroom35.2 in40.4 in
Cargo Volume12.4 ft315.3 ft3

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Option Package Details
Audi A4 / S4 A4 2.0T

Prestige Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Surround sound250Yes
Proximity key250Yes
245/40HR18 tires400No
Blind spot warning system200Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Compass0No
Dual-zone climate control125Yes
Cargo net40Yes
Heated front seats200Yes
iPod integration100Yes
CD changer, in-dash200No
Rear air vents with automatic controls250Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Trip computer150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Total Requested309074%
Total Not Requested110026%

Option Package Details
Cadillac CT6 Premium Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%

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