Audi A4 / S4 Audi A4 / S4 2018 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: $63,680

Audi A4 / S4 S4 3.0T   
Difference: $7,980

Lowest Total Invoice: $59,295

Audi A4 / S4 S4 3.0T   
Difference: $8,750

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182018
ModelA4 / S4CT6CT6
TrimS4 3.0TPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $51,400 $65,295 $84,295
Base Invoice $47,802 $62,030 $80,080
Cold Weather Package 500    
Prestige Package 4,400    
Warm Weather Package 950    
Driver Assistance Package 1,800    
S Sport Package 2,500    
Metallic paint (extra cost) 575 625  
Carbon fiber trim 500 0  
Cargo net 80   60
CD player, remote   250  
Rear spoiler   495 495
3.0L V6   4,000 4,000
Cold Weather Package 466    
Prestige Package 4,092    
Warm Weather Package 884    
Driver Assistance Package 1,674    
S Sport Package 2,326    
Metallic paint (extra cost) 536 556  
Carbon fiber trim 466 0  
Cargo net 74   53
CD player, remote   223  
Rear spoiler   441 441
3.0L V6   3,800 3,800
Options (change) 11,305 5,370 4,555
Options (change) 10,518 5,020 4,294
Destination 975 995 995
Total Price $63,680 $71,660 $89,845
Total Invoice $59,295 $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 vs. Cadillac CT6

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $10,420
TrueDelta Adjusted Invoice Difference: $11,022
Model Year201820182018
ModelA4 / S4CT6CT6
TrimS4 3.0TPremium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan
Engine354hp V6404hp V6404hp V6
TransmissionT8T8T8
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)21/30 MPG18/26 MPG18/26 MPG
Audio (watts, speakers)755, 19?, 10?, 34
Tire (rear if not all the same)245/40-18245/45-19245/40-20
Total Price$63,680$71,660$89,845
Adjustments for Features-2,4400-10,470
Feature-Adjusted Total Price$61,240$71,660$79,375
Cost Above Minimum$0$0$7,715
Total Invoice$59,295$68,045$85,369
Adjustments for Features-2,2720-9,948
Feature-Adjusted Total Invoice$57,023$68,045$75,421
Cost Above Minimum$0$0$7,376

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Features Comparison: Audi A4 / S4 vs. Cadillac CT6

Model Year201820182018
ModelA4 / S4CT6CT6
TrimS4 3.0TPremium LuxuryPlatinum
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  
Hands-free driving on limited-access highways  $1000
Night vision  $1750
Rollover sensor$50  
Safety key $5$5
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  
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
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$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$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$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 
Carbon fiber trim$200$200 
Cooled or ventilated second row seats  $200
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
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$10,170$7,730$18,200
Value of Feature Adjustments$2,440$0$10,470
Value of Feature Adjustments-2,2720-9,948

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Specifications Comparison: Audi A4 / S4 vs. Cadillac CT6

Model Year20182018
ModelA4 / S4CT6
Body4dr Sedan4dr Sedan
Wheelbase111.0 in122.4 in
Length186.1 in204.0 in
Width72.5 in74.0 in
Height56.2 in57.9 in
Curb Weight3,858 lb.4,085 lb.
Fuel Capacity16.9 gal.19.5 gal.
Row 1 Headroom38.9 in40.1 in
Row 1 Shoulder Room55.9 in58.3 in
Row 1 Hip Room0.0 in55.8 in
Row 1 Legroom41.3 in42.3 in
Row 2 Headroom37.4 in38.0 in
Row 2 Shoulder Room54.5 in56.1 in
Row 2 Hip Room0.0 in53.4 in
Row 2 Legroom35.7 in40.4 in
Cargo Volume13.0 ft315.3 ft3

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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%
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
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
4G LTE connectivity0Yes
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50Yes
Total Requested185077%
Total Not Requested54023%
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%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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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