Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2022 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: $65,335

Audi A4 / S4 / RS4 S4   
Difference: $6,365

Lowest Total Invoice: $61,485

Audi A4 / S4 / RS4 S4   
Difference: $6,596

Calculate Payments

  Down Payment Interest Rate Term
Model Year202220182018
ModelA4 / S4 / RS4CT6CT6
TrimS4Premium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $51,900 $65,295 $84,295
Base Invoice $48,787 $62,030 $80,080
Premium Plus Package 3,600    
Prestige Package 4,700    
Warm Weather Package 700    
S Sport Package 2,500    
Metallic paint (extra cost) 595 625  
Cargo organizer 80 140 140
Cargo mat 165 150 150
Rear spoiler   495 495
3.0L V6   4,000 4,000
Premium Plus Package 3,384    
Prestige Package 4,419    
Warm Weather Package 659    
S Sport Package 2,351    
Metallic paint (extra cost) 560 556  
Cargo organizer 75 125 125
Cargo mat 155 134 134
Rear spoiler   441 441
3.0L V6   3,800 3,800
Options (change) 12,340 5,410 4,785
Options (change) 11,603 5,056 4,500
Destination 1,095 995 995
Total Price $65,335 $71,700 $90,075
Total Invoice $61,485 $68,081 $85,575

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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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TrueDelta Value Comparison: Audi A4 / S4 / RS4 vs. Cadillac CT6

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 S4
TrueDelta Adjusted Price Difference: $9,025
TrueDelta Adjusted Invoice Difference: $9,099
Model Year202220182018
ModelA4 / S4 / RS4CT6CT6
TrimS4Premium LuxuryPlatinum
Body4dr Sedan4dr Sedan4dr Sedan
Engine349hp 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$65,335$71,700$90,075
Adjustments for Features-2,6600-10,480
Feature-Adjusted Total Price$62,675$71,700$79,595
Cost Above Minimum$0$0$7,895
Total Invoice$61,485$68,081$85,575
Adjustments for Features-2,5030-9,956
Feature-Adjusted Total Invoice$58,982$68,081$75,619
Cost Above Minimum$0$0$7,538

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

Model Year202220182018
ModelA4 / S4 / RS4CT6CT6
TrimS4Premium 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 app $25$25
Remote start $150$150
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  
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
Painted brake calipers (optional)$0  
Panoramic sunroof $1200$1200
Sunroof$900  
Infotainment 
Alexa integration$0  
App support $0$0
Aux input $50$50
Entertainment system with dual headrest screens  $1200
Handwriting recognition$200  
HDMI port  $25
In-vehicle Internet$150  
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 light information$50  
Voice control for external devices $0$0
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  
Headlight washers$50  
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 
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$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$9,815$7,155$17,635
Value of Feature Adjustments$2,660$0$10,480
Value of Feature Adjustments-2,5030-9,956

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

Model Year20222018
ModelA4 / S4 / RS4CT6
Body4dr Sedan4dr Sedan
Wheelbase111.0 in122.4 in
Length187.5 in204.0 in
Width72.7 in74.0 in
Height56.2 in57.9 in
Curb Weight3,847 lb.4,085 lb.
Fuel Capacity15.3 gal.19.5 gal.
Row 1 Headroom37.3 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 Volume12.0 ft315.3 ft3

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Option Package Details
Audi A4 / S4 / RS4 S4

Premium Plus Package
FeatureValueRequested?
245/40HR18 tires400No
Around view cameras300Yes
Wide-view front camera150No
Large color reconfigurable instrument cluster display250Yes
Wide-view rear camera0No
Wireless charging station75Yes
Upholstered door armrests (optional)0No
Vehicle exit assist25No
Memory system, driver seat200Yes
Satellite radio200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100Yes
Auto-dimming driver-side mirror75Yes
Alarm100No
Proximity key250Yes
Power-folding mirrors50Yes
Auto-dimming passenger-side mirror75No
Blind spot warning system200Yes
Cross-traffic warning, rear100Yes
Collision preparation system, rear100No
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 Requested262554%
Total Not Requested220046%
Prestige Package
FeatureValueRequested?
Heated second row seats200Yes
Head-up display (HUD)350Yes
Headlight washers50No
Surround sound250Yes
Laminated front side windows200Yes
Semi-automated parking system500Yes
Interior ambient lighting, configurable0No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Navigation system600Yes
Voice control for nav and audio75Yes
Traffic information25Yes
Handwriting recognition200No
Traffic light information50No
Total Requested220077%
Total Not Requested65023%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125Yes
Total Requested425100%
Total Not Requested00%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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