Audi A4 / S4 Audi A4 / S4 2022 Acura RDX Acura RDX 2018

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Audi A4 / S4 vs. Acura RDX 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. Acura RDX Invoice Comparison

Lowest Total Price: $43,475

Acura RDX   
Difference: $6,610

Lowest Total Invoice: $41,317

Acura RDX   
Difference: $5,834

Calculate Payments

  Down Payment Interest Rate Term
Model Year2022202220222018
ModelA4 / S4A4 / S4A4 / S4RDX
TrimA4 40A4 45 S lineS4Base
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Base Price $39,900 $42,000 $51,900 $35,800
Base Invoice $37,507 $39,480 $48,787 $33,995
Premium Plus Package 4,700 4,200 3,600  
Navigation Package 1,500 1,500 1,500  
Warm Weather Package 1,300   700  
Carbon fiber rear spoiler 995 995    
Metallic paint (extra cost) 595 595 595  
Cooled or ventilated front seats   800    
S Sport Package     2,500  
Advance Package       6,700
Premium Plus Package 4,419 3,948 3,384  
Navigation Package 1,411 1,411 1,411  
Warm Weather Package 1,223   659  
Carbon fiber rear spoiler 936 936    
Metallic paint (extra cost) 560 560 560  
Cooled or ventilated front seats   752    
S Sport Package     2,351  
Advance Package       6,347
Options (change) 9,090 8,090 8,895 6,700
Options (change) 8,549 7,607 8,365 6,347
Destination 1,095 1,095 1,095 975
Total Price $50,085 $51,185 $61,890 $43,475
Total Invoice $47,151 $48,182 $58,247 $41,317

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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. Acura RDX

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $2,425
TrueDelta Adjusted Invoice Difference: $1,894
Model Year2022202220222018
ModelA4 / S4A4 / S4A4 / S4RDX
TrimA4 40A4 45 S lineS4Base
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Engine201hp I4 H261hp I4 H349hp V6279hp V6
TransmissionS7S7T8T6
DrivetrainAWDAWDAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 10180, 10180, 10410, 10
Tire (rear if not all the same)245/40-18245/40-18245/40-18235/60-18
Total Price$50,085$51,185$61,890$43,475
Adjustments for Features-4,185-4,185-5,3600
Feature-Adjusted Total Price$45,900$47,000$56,530$43,475
Cost Above Minimum$0$1,100$10,630$0
Total Invoice$47,151$48,182$58,247$41,317
Adjustments for Features-3,940-3,939-5,0440
Feature-Adjusted Total Invoice$43,211$44,243$53,203$41,317
Cost Above Minimum$0$1,032$9,992$0

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Features Comparison: Audi A4 / S4 vs. Acura RDX

Model Year2022202220222018
ModelA4 / S4A4 / S4A4 / S4RDX
TrimA4 40A4 45 S lineS4Base
Body4dr Sedan4dr Sedan4dr Sedan4dr SUV
Transmission and Drivetrain 
7-speed automated manual$1200$1200  
8-speed manually-shiftable automatic  $1300 
6-speed manually-shiftable automatic   $1100
AWD$1700$1700$1700 
FWD   $0
Accessories 
Active noise reduction   $0
Adaptive cruise control, all-speed   $850
Adaptive cruise control, all-speed, topography and road sign aware$1100$1100$1100 
Heated steering wheel$100$100$100 
Low-speed semi-autonomous driving$100$100$100 
Power liftgate   $350
Remote start   $150
Remote window/roof operation   $15
Sunshades, second row  $125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats   $0
Around view cameras$500$500$500 
Collision preparation system, rear$100$100$100 
Driver drowsiness monitor$150$150$150 
Evasive maneuver assist$200$200$200 
Following distance indicator$25$25$25 
Knee airbag, driver$75$75$75 
Knee airbag, passenger$75$75$75 
Rearview camera   $200
Secondary collision brake assist$25$25$25 
Torque vectoring, brake-based$100$100$100 
Turn assist$25$25$25 
Vehicle exit assist$25$25$25 
Wide-view front camera$150$150$150 
Cargo Management 
Air-conditioned storage compartment$50$50$50 
Cargo cover   $75
Climate Control 
Automatic air recirculation$100$100$100 
Heated windshield washer nozzles$15$15$15 
Rear air vents   $100
Rear air vents with automatic controls$250$250$250 
Rear wiper   $175
Drivetrain 
Active rear differential  $500 
Engine / Motor 
Automatic start / stop$150$150$150 
Regenerative braking$0$0$0 
Exterior 
Bodyside cladding   $350
Carbon fiber rear spoiler$300$300  
Deep-tinted rear windows   $275
Painted brake calipers (optional)  $0 
Rear spoiler  $200$200
Infotainment 
4G LTE connectivity$0$0$0 
Alexa integration$0$0$0 
Android Auto support$100$100$100 
App support   $0
Apple CarPlay support$100$100$100 
Aux input   $50
CD player   $125
DVD-Audio-compatible player   $0
Handwriting recognition$200$200$200 
In-vehicle Internet$150$150$150 
Media drive   $15
MP3-compatible player   $50
Siri Eyes Free support   $0
SMS text-to-speech reader   $25
Surround sound   $250
Traffic + travel information   $25
Traffic information$25$25$25 
Traffic light information$50$50$50 
Wi-Fi hotspot$50$50$50 
Wireless charging station$75$75$75 
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200$200$200 
Boost gauge  $75 
Fog light, rear$100$100$100 
Large color reconfigurable instrument cluster display$250$250$250 
Mirror tilt-down in reverse   $25
Power-folding mirrors$50$50$50 
Predictive efficiency assist$0$0$0 
Road sign information$75$75$75 
Spotter mirror(s)   $50
Seats and Interior Trim 
Door sill trim plates$100$100 $100
Illuminated door sill trim plates  $200 
Manual thigh support length adjuster, driver seat$50$50$50 
Manual thigh support length adjuster, passenger seat$50$50$50 
Metal pedals  $75 
Power 4-way lumbar adjuster, driver seat$150$150$150 
Power 4-way lumbar adjuster, passenger seat$150$150$150 
Power lumbar adjuster, driver seat   $100
Upholstered door armrests (optional)$0$0$0 
Wood trim$300   
Wood trim, alternative type $300  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500 
Adaptive dampers - mechanical   $100
Alloy wheels$350$350$350 
Electronic systems calibration selector$200$200$200 
Machined alloy wheels   $350
Sport suspension (upgrade) $0$0 
Transmission 
Launch control  $100 
Total Value of Features$9,290$9,290$10,465$5,105
Value of Feature Adjustments$4,185$4,185$5,360$0
Value of Feature Adjustments-3,940-3,939-5,0440

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Specifications Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20222018
ModelA4 / S4RDX
Body4dr Sedan4dr SUV
Wheelbase111.0 in105.7 in
Length187.5 in184.4 in
Width72.7 in73.7 in
Height56.2 in65.0 in
Curb Weight3,683 lb.3,738 lb.
Fuel Capacity15.3 gal.16.0 gal.
Row 1 Headroom37.3 in38.7 in
Row 1 Shoulder Room55.9 in58.7 in
Row 1 Hip Room0.0 in55.7 in
Row 1 Legroom41.3 in42.0 in
Row 2 Headroom37.4 in38.1 in
Row 2 Shoulder Room54.5 in57.2 in
Row 2 Hip Room0.0 in53.8 in
Row 2 Legroom35.7 in38.3 in
Cargo Volume,
Minimum
12.0 ft326.1 ft3
Cargo Volume,
Maximum
12.061.3 ft3

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Option Package Details
Audi A4 / S4 A4 40

Premium Plus Package
FeatureValueRequested?
245/40HR18 tires400No
Around view cameras300No
Wide-view front camera150No
Large color reconfigurable instrument cluster display250No
Wide-view rear camera0Yes
Wireless charging station75No
Upholstered door armrests (optional)0No
Alarm100No
Proximity key250Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Blind spot warning system200Yes
Cross-traffic warning, rear100Yes
Collision preparation system, rear100No
Vehicle exit assist25No
Memory system, driver seat200Yes
Satellite radio200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100No
Auto-dimming driver-side mirror75Yes
Lane keeping assist400Yes
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Road sign information75No
Turn assist25No
Total Requested190039%
Total Not Requested292561%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75Yes
Traffic information25Yes
Handwriting recognition200No
Traffic light information50No
Total Requested70074%
Total Not Requested25026%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Manual thigh support length adjuster, driver seat50No
Power 4-way lumbar adjuster, passenger seat150No
Manual thigh support length adjuster, passenger seat50No
Front sport buckets100No
Total Requested30046%
Total Not Requested35054%

Option Package Details
Audi A4 / S4 A4 45 S line

Premium Plus Package
FeatureValueRequested?
245/40HR18 tires400No
Around view cameras300No
Wide-view front camera150No
Large color reconfigurable instrument cluster display250No
Wide-view rear camera0Yes
Wireless charging station75No
Upholstered door armrests (optional)0No
Alarm100No
Proximity key250Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Blind spot warning system200Yes
Cross-traffic warning, rear100Yes
Collision preparation system, rear100No
Vehicle exit assist25No
Memory system, driver seat200Yes
Satellite radio200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100No
Auto-dimming driver-side mirror75Yes
Lane keeping assist400Yes
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Road sign information75No
Turn assist25No
Total Requested190039%
Total Not Requested292561%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75Yes
Traffic information25Yes
Handwriting recognition200No
Traffic light information50No
Total Requested70074%
Total Not Requested25026%

Option Package Details
Audi A4 / S4 S4

Premium Plus Package
FeatureValueRequested?
245/40HR18 tires400No
Around view cameras300No
Wide-view front camera150No
Large color reconfigurable instrument cluster display250No
Wide-view rear camera0Yes
Wireless charging station75No
Upholstered door armrests (optional)0No
Alarm100No
Proximity key250Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Blind spot warning system200Yes
Cross-traffic warning, rear100Yes
Collision preparation system, rear100No
Vehicle exit assist25No
Memory system, driver seat200Yes
Satellite radio200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Heated steering wheel100No
Auto-dimming driver-side mirror75Yes
Lane keeping assist400Yes
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Road sign information75No
Turn assist25No
Total Requested190039%
Total Not Requested292561%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested00%
Total Not Requested1000100%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75Yes
Traffic information25Yes
Handwriting recognition200No
Traffic light information50No
Total Requested70074%
Total Not Requested25026%
Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Total Requested30071%
Total Not Requested12529%

Option Package Details
Acura RDX

Advance Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Rain-sensing wipers100Yes
Fog lights125Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Auto-dimming driver-side mirror75Yes
Remote start150No
Auto-dimming passenger-side mirror75Yes
Traffic + travel information25No
Cross-traffic warning, rear100Yes
Navigation system600Yes
Leather seating surfaces900Yes
Telematics service, such as OnStar200Yes
DVD-Audio-compatible player0No
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250No
Voice control for nav and audio100Yes
HD radio50Yes
Blind spot warning system200Yes
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200Yes
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Pedestrian detection50Yes
Lane keeping assist400Yes
Total Requested537587%
Total Not Requested79013%

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