Audi A4 / S4 Audi A4 / S4 2016 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: $44,975

Acura RDX   
Difference: $12,775

Lowest Total Invoice: $42,738

Acura RDX   
Difference: $11,034

Calculate Payments

  Down Payment Interest Rate Term
Model Year20162018
ModelA4 / S4RDX
TrimS4 3.0TBase
Body4dr Sedan4dr SUV
Base Price $49,200 $35,800
Base Invoice $45,756 $33,995
Technology Package 2,300  
Driver Assist Package 2,750  
Metallic paint (extra cost) 575  
7-speed automated manual 1,000  
Adaptive dampers - electrical 1,000  
Advance Package   6,700
AWD   1,500
Technology Package 2,138  
Driver Assist Package 2,557  
Metallic paint (extra cost) 536  
7-speed automated manual 930  
Adaptive dampers - electrical 930  
Advance Package   6,347
AWD   1,421
Options (change) 7,625 8,200
Options (change) 7,091 7,768
Destination 925 975
Total Price $57,750 $44,975
Total Invoice $53,772 $42,738

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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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Request free, no-obligation Audi A4 / S4 dealer quotes or Acura RDX dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Acura RDX

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $13,700
TrueDelta Adjusted Invoice Difference: $11,913
Model Year20162018
ModelA4 / S4RDX
TrimS4 3.0TBase
Body4dr Sedan4dr SUV
Engine333hp V6279hp V6
TransmissionS7T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)18/28 MPG19/27 MPG
Audio (watts, speakers)505, 14410, 10
Tire (rear if not all the same)245/40-18235/60-18
Total Price$57,750$44,975
Adjustments for Features0-925
Feature-Adjusted Total Price$57,750$44,050
Total Invoice$53,772$42,738
Adjustments for Features0-879
Feature-Adjusted Total Invoice$53,772$41,859

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Features Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20162018
ModelA4 / S4RDX
TrimS4 3.0TBase
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
Active noise reduction $0
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Power liftgate $350
Remote start $150
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Cross-traffic warning, rear $100
Lane departure warning $200
Lane keeping assist $400
Obstacle detection, front $150
Pedestrian detection $50
Rollover sensor $50
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment$50 
Cargo cover $75
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Rear air vents $100
Rear air vents with automatic controls$250 
Rear wiper $175
Exterior 
Body kit$0 
Bodyside cladding $350
Deep-tinted rear windows $275
Rear spoiler $200
Infotainment 
App support $0
DVD-Audio-compatible player $0
DVD-compatible player$0 
In-vehicle Internet$150 
iPod integration$100 
SD Card slot$25 
Siri Eyes Free support $0
SMS text-to-speech reader $25
Telematics service, such as OnStar $200
USB port $25
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Fog light, rear$100 
LED headlights $1000
Mirror tilt-down in reverse $25
Spotter mirror(s) $50
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim$100 
Cooled or ventilated front seats $300
Leather door panel trim$250 
Manual thigh support length adjuster, driver seat$50 
Manual thigh support length adjuster, passenger seat$50 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power lumbar adjuster, driver seat $100
Synthetic suede inserts in leather seating surfaces$0 
Suspension, Wheels, and Tires 
Active steering$1000 
Adaptive dampers - electrical$500 
Adaptive dampers - mechanical $100
Alloy wheels$350 
Electronic systems calibration selector$200 
Machined alloy wheels $350
Sport suspension (upgrade)$0 
Transmission 
Launch control$100 
Total Value of Features$7,740$8,665
Value of Feature Adjustments$0$925
Value of Feature Adjustments0-879

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See a complete comparison of Audi A4 / S4 vs. Acura RDX features.

Specifications Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20162018
ModelA4 / S4RDX
Body4dr Sedan4dr SUV
Wheelbase110.6 in105.7 in
Length185.1 in184.4 in
Width71.9 in73.7 in
Height56.2 in65.0 in
Curb Weight3,935 lb.3,902 lb.
Fuel Capacity16.9 gal.16.0 gal.
Row 1 Headroom40.0 in38.7 in
Row 1 Shoulder Room55.5 in58.7 in
Row 1 Hip Room0.0 in55.7 in
Row 1 Legroom41.3 in42.0 in
Row 2 Headroom37.5 in38.1 in
Row 2 Shoulder Room54.3 in57.2 in
Row 2 Hip Room0.0 in53.8 in
Row 2 Legroom35.2 in38.3 in
Cargo Volume,
Minimum		12.4 ft326.1 ft3
Cargo Volume,
Maximum		12.461.3 ft3

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See a complete comparison of Audi A4 / S4 vs. Acura RDX specs.

Option Package Details
Audi A4 / S4 S4 3.0T

Technology Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200Yes
Surround sound250Yes
Blind spot warning system200Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
DVD-compatible player0No
Voice control for nav and audio100Yes
HD radio50Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150No
Bluetooth audio streaming25Yes
Wi-Fi hotspot50No
Navigation system600Yes
Total Requested171576%
Total Not Requested55024%
Driver Assist Package
FeatureValueRequested?
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Active steering1000No
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Total Requested85046%
Total Not Requested100054%

Option Package Details
Acura RDX

Advance Package
FeatureValueRequested?
Cooled or ventilated front seats300No
Rain-sensing wipers100Yes
Fog lights125Yes
Obstacle detection, front150No
Obstacle detection, rear250Yes
Auto-dimming driver-side mirror75Yes
Remote start150No
Auto-dimming passenger-side mirror75Yes
Traffic + travel information25Yes
Cross-traffic warning, rear100No
Navigation system600Yes
Leather seating surfaces900Yes
Telematics service, such as OnStar200No
DVD-Audio-compatible player0Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250Yes
Voice control for nav and audio100Yes
HD radio50Yes
Blind spot warning system200Yes
Media drive15Yes
ELS, 410W, 10 speakers (with subwoofer)350No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Pedestrian detection50No
Lane keeping assist400No
Total Requested336555%
Total Not Requested280045%

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