Acura RDX Acura RDX 2015 Audi A4 / S4 Audi A4 / S4 2014

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Acura RDX vs. Audi A4 / S4 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.

Acura RDX vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $41,115

Acura RDX   
Difference: $13,830

Lowest Total Invoice: $38,602

Acura RDX   
Difference: $12,563

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152014
ModelRDXA4 / S4
TrimBaseS4 3.0T
Body4dr SUV4dr Sedan
Base Price $35,095 $48,100
Base Invoice $32,962 $44,734
Technology Package 3,700  
AWD 1,400  
Navigation Plus Package   3,050
Metallic paint (extra cost)   500
7-speed automated manual   1,400
Adaptive dampers - electrical   1,000
Technology Package 3,424  
AWD 1,296  
Navigation Plus Package   2,837
Metallic paint (extra cost)   467
7-speed automated manual   1,302
Adaptive dampers - electrical   930
Options (change) 5,100 5,950
Options (change) 4,720 5,536
Destination 920 895
Total Price $41,115 $54,945
Total Invoice $38,602 $51,165

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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 Acura RDX dealer quotes or Audi A4 / S4 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $12,790
TrueDelta Adjusted Invoice Difference: $11,595
Model Year20152014
ModelRDXA4 / S4
TrimBaseS4 3.0T
Body4dr SUV4dr Sedan
Engine273hp V6333hp V6
TransmissionT6S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)19/27 MPG18/28 MPG
Audio (watts, speakers)410, 10180, 10
Tire (rear if not all the same)235/60-18245/40-18
Total Price$41,115$54,945
Adjustments for Features0-1,040
Feature-Adjusted Total Price$41,115$53,905
Total Invoice$38,602$51,165
Adjustments for Features0-968
Feature-Adjusted Total Invoice$38,602$50,197

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Features Comparison: Acura RDX vs. Audi A4 / S4

Model Year20152014
ModelRDXA4 / S4
TrimBaseS4 3.0T
Body4dr SUV4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
Active noise reduction$0 
Power liftgate$350 
Brakes, Airbags, and Other Safety 
Obstacle detection, rear $250
Rollover sensor$50 
Cargo Management 
Air-conditioned storage compartment $50
Cargo cover$75 
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Rear wiper$175 
Variable intermittent wipers$75 
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
HD radio $50
In-vehicle Internet $150
iPod integration $100
SD Card slot $25
SMS text-to-speech reader$25 
Surround sound$250 
Telematics service, such as OnStar$200 
USB port$25 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Fog light, rear $100
Headlight washers $50
Mirror tilt-down in reverse$25 
Spotter mirror(s)$50 
Seats and Interior Trim 
Aluminum trim $100
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 height adjuster, passenger seat $100
Power lumbar adjuster, driver seat$100 
Power tilt adjuster, passenger seat $100
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Adaptive dampers - mechanical$100 
Electronic systems calibration selector $200
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Total Value of Features$5,125$6,165
Value of Feature Adjustments$0$1,040
Value of Feature Adjustments0-968

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Specifications Comparison: Acura RDX vs. Audi A4 / S4

Model Year20152014
ModelRDXA4 / S4
Body4dr SUV4dr Sedan
Wheelbase105.7 in110.6 in
Length183.5 in185.1 in
Width73.7 in71.9 in
Height66.1 in56.2 in
Curb Weight3,838 lb.3,935 lb.
Fuel Capacity16.0 gal.16.9 gal.
Row 1 Headroom38.7 in40.0 in
Row 1 Shoulder Room58.6 in55.5 in
Row 1 Hip Room55.7 in0.0 in
Row 1 Legroom42.0 in41.3 in
Row 2 Headroom38.1 in37.5 in
Row 2 Shoulder Room57.2 in54.3 in
Row 2 Hip Room53.8 in0.0 in
Row 2 Legroom38.3 in35.2 in
Cargo Volume,
Minimum
26.1 ft312.4 ft3
Cargo Volume,
Maximum
61.3 ft312.4 ft3

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Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
Fog lights125Yes
Xenon HID headlights500Yes
Telematics service, such as OnStar200No
DVD-Audio-compatible player0Yes
Power liftgate350No
Surround sound250No
Voice control for nav and audio100Yes
Media drive15Yes
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25Yes
Total Requested136554%
Total Not Requested115046%

Option Package Details
Audi A4 / S4 S4 3.0T

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Launch control100No
Total Requested00%
Total Not Requested100100%
Navigation Plus Package
FeatureValueRequested?
Obstacle detection, rear250No
Rearview camera200Yes
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
HD radio50No
Media drive, large15Yes
Traffic + travel information25Yes
Bluetooth audio streaming25Yes
Total Requested96566%
Total Not Requested50034%

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