Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2007 Cadillac CT6 Cadillac CT6 2018

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Audi A4 / S4 / RS4 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 / RS4 vs. Cadillac CT6 Invoice Comparison

Lowest Total Price: $70,060

Cadillac CT6 Luxury   
Difference: $3,460

Lowest Total Invoice: $66,375

Cadillac CT6 Luxury   
Difference: $1,316

Calculate Payments

  Down Payment Interest Rate Term
Model Year2007201820182018
ModelA4 / S4 / RS4CT6CT6CT6
TrimRS4LuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $66,000 $59,195 $65,295 $84,295
Base Invoice $60,594 $56,235 $62,030 $80,080
Premium Package 4,700      
Enhanced Vision and Comfort Package   2,500    
CD player, remote   250 250  
3.0L V6   6,000 4,000 4,000
Metallic paint (extra cost)   625 625  
Carbon fiber trim   0 0  
Rear spoiler   495 495 495
Cargo net       60
Premium Package 4,277      
Enhanced Vision and Comfort Package   2,225    
CD player, remote   223 223  
3.0L V6   5,700 3,800 3,800
Metallic paint (extra cost)   556 556  
Carbon fiber trim   0 0  
Rear spoiler   441 441 441
Cargo net       53
Options (change) 4,700 9,870 5,370 4,555
Options (change) 4,277 9,145 5,020 4,294
Destination 720 995 995 995
Gas Tax 2,100 0 0 0
Total Price $73,520 $70,060 $71,660 $89,845
Total Invoice $67,691 $66,375 $68,045 $85,369

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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 / RS4 vs. Cadillac CT6

Lowest Adjusted Price and Invoice: Cadillac CT6 Luxury
TrueDelta Adjusted Price Difference: $10,860
TrueDelta Adjusted Invoice Difference: $8,327
Model Year2007201820182018
ModelA4 / S4 / RS4CT6CT6CT6
TrimRS4LuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine420hp V8404hp V6404hp V6404hp V6
TransmissionM6T8T8T8
DrivetrainAWDAWDAWDAWD
EPA Fuel Economy (city/highway)14/21 MPG18/26 MPG18/26 MPG18/26 MPG
Audio (watts, speakers)215, 10?, 10?, 10?, 34
Tire (rear if not all the same)255/35-19245/45-19245/45-19245/40-20
Total Price$73,520$70,060$71,660$89,845
Adjustments for Features0-7,400-8,000-17,570
Feature-Adjusted Total Price$73,520$62,660$63,660$72,275
Cost Above Minimum$0$0$1,000$9,615
Total Invoice$67,691$66,375$68,045$85,369
Adjustments for Features0-7,011-7,596-16,695
Feature-Adjusted Total Invoice$67,691$59,364$60,449$68,674
Cost Above Minimum$0$0$1,085$9,310

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Features Comparison: Audi A4 / S4 / RS4 vs. Cadillac CT6

Model Year2007201820182018
ModelA4 / S4 / RS4CT6CT6CT6
TrimRS4LuxuryPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150   
8-speed manually-shiftable automatic $1300$1300$1300
AWD$1700$1700$1700$1700
Accessories 
AC power outlet $100$100$100
Active noise reduction $0$0$0
Adaptive cruise control, all-speed   $850
Cruise control$150$150$150 
Electronic engine sound enhancement   $0
Hands-free trunk or liftgate $100$100$100
Heated steering wheel $100$100$100
Power trunk closer $350$350$350
Proximity key $250$250$250
Remote app $25$25$25
Remote start $150$150$150
Semi-automated parking system $500$500$500
Sunshade, rear, power$225   
Tilt/telescoping steering wheel, manual$250   
Tilt/telescoping steering wheel, power $350$350$350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0   
Around view cameras $500$500$500
Automatic braking, high-speed or partial   $200
Automatic braking, low-speed $200$200$200
Backup collision intervention   $150
Blind spot warning system $200$200$200
Cross-traffic warning, rear $100$100$100
Following distance indicator $25$25$25
Forward collision warning $200$200$200
Hands-free driving on limited-access highways   $1000
Knee airbag, driver $75$75$75
Knee airbag, passenger $75$75$75
Lane departure warning $200$200$200
Lane keeping assist $400$400$400
Night vision   $1750
Obstacle detection, front $150$150$150
Pedestrian detection $50$50$50
Radar- or camera-based collision preparation system $0$0$0
Safety key $5$5$5
Surround view video recorder $50$50$50
Vehicle health reports $0$0$0
Cargo Management 
Cargo net$40  $40
Ski sack$50   
Storage compartment under front seat(s)$50   
Climate Control 
Heated windshield washer nozzles$15   
Ionizing air filtration   $50
Rear air vents $100$100 
Rear air vents with automatic controls   $250
Rear dual-zone climate control   $125
Engine / Motor 
Automatic start / stop $150$150$150
Exterior 
Active grille shutters $0$0$0
Body kit$0   
Bodyside moldings$75   
Laminated front side windows $200$200$200
Panoramic sunroof $1200$1200$1200
Sunroof$900   
Infotainment 
4G LTE connectivity $0$0$0
Android Auto support $100$100$100
App support $0$0$0
Apple CarPlay support $100$100$100
Aux input $50$50$50
Bluetooth audio streaming $25$25$25
CD changer, remote$200   
CD player, remote $100$100 
Entertainment system with dual headrest screens   $1200
HD radio $50$50$50
HDMI port   $25
MP3-compatible player$50$50$50 
SMS text-to-speech reader $25$25$25
Streaming video device   $30
Streaming video support   $25
Surround sound $250$250$250
Telematics service, such as OnStar, with navigation $225$225$225
Traffic information $25$25$25
Voice control for external devices $0$0$0
Voice control for nav and audio $100$100$100
Wi-Fi hotspot $50$50$50
Wireless charging station $75$75$75
Instruments, Lights, and Mirrors 
Approach detection $25$25$25
Auto-dimming headlights $200$200$200
Auto-dimming passenger-side mirror$75   
Compass$0   
Cornering lights $50$50$50
Fog light, rear$100   
Fog lights$125   
Head-up display (HUD)  $350$350
Headlight washers$50   
Large color reconfigurable instrument cluster display  $250$250
LED headlights $1000$1000$1000
Rear camera mirror $200$200$200
Steering-linked headlights$150   
Xenon HID headlights$500   
Seats and Interior Trim 
Carbon fiber trim$200$200$200 
Cooled or ventilated front seats $300$300$300
Cooled or ventilated second row seats   $200
Folding second row seats$300   
Illuminated door sill trim plates $200$200$200
Manual thigh support length adjuster, driver seat$50   
Massage, driver seat   $100
Massage, passenger seat   $100
Massage, second row seats   $150
Memory system, passenger seat $150$150$150
Power 4-way lumbar adjuster, second row seats   $225
Power fore-aft adjuster, driver seat $100$100$100
Power height adjuster, driver seat $100$100$100
Power recliner, driver seat $100$100$100
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, driver seat $100$100$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$300 
Upholstered instrument panel, leather   $1000
Wood trim   $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500
Hydraulically cross-linked dampers$500   
Rear wheel steering   $1500
Ultra-sport suspension (upgrade)$0   
Transmission 
Steering-wheel-mounted transmission controls $100$100$100
Total Value of Features$5,905$13,305$13,905$23,475
Value of Feature Adjustments$0$7,400$8,000$17,570
Value of Feature Adjustments0-7,011-7,596-16,695

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Specifications Comparison: Audi A4 / S4 / RS4 vs. Cadillac CT6

Model Year20072018
ModelA4 / S4 / RS4CT6
Body4dr Sedan4dr Sedan
Wheelbase104.3 in122.4 in
Length180.6 in204.0 in
Width69.8 in74.0 in
Height56.2 in57.9 in
Curb Weight3,957 lb.4,085 lb.
Fuel Capacity16.6 gal.19.5 gal.
Row 1 Headroom38.4 in40.1 in
Row 1 Shoulder Room55.1 in58.3 in
Row 1 Hip Room0.0 in55.8 in
Row 1 Legroom41.3 in42.3 in
Row 2 Headroom37.2 in38.0 in
Row 2 Shoulder Room53.4 in56.1 in
Row 2 Hip Room0.0 in53.4 in
Row 2 Legroom34.3 in40.4 in
Cargo Volume13.4 ft315.3 ft3

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Option Package Details
Audi A4 / S4 / RS4 RS4

Premium Package
FeatureValueRequested?
Navigation system600Yes
Heated second row seats200Yes
CD changer, remote-125No
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Sunshades, second row125Yes
Sunshade, rear, power225No
Memory system, driver seat200Yes
Satellite radio200Yes
Bluetooth cell phone link100Yes
Bose, 215W, 10 speakers (with subwoofer)350No
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Auto-dimming rearview mirror150Yes
Total Requested202579%
Total Not Requested52521%

Option Package Details
Cadillac CT6 Luxury

CD player, remote
FeatureValueRequested?
CD player, remote100Yes
MP3-compatible player50Yes
Total Requested150100%
Total Not Requested00%
Enhanced Vision and Comfort Package
FeatureValueRequested?
Heated second row seats200Yes
Cooled or ventilated front seats300No
Panoramic sunroof1200No
Rear camera mirror200No
Total Requested20011%
Total Not Requested170089%
turbocharged
3.0L V6
DOHC-4v
404 hp@5500
400 lb-ft@2500
FeatureValueRequested?
turbocharged
3.0L V6
DOHC-4v
404 hp@5500
400 lb-ft@2500
1000Yes
AWD0Yes
245/45HR19 tires400No
Total Requested100071%
Total Not Requested40029%

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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