Audi A4 / S4 Audi A4 / S4 2006 Acura RDX Acura RDX 2015

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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: $41,115

Acura RDX   
Difference: $16,555

Lowest Total Invoice: $38,602

Acura RDX   
Difference: $14,675

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062015
ModelA4 / S4RDX
TrimS4 AvantBase
Body4dr Wagon4dr SUV
Base Price $47,400 $35,095
Base Invoice $43,668 $32,962
Premium Package 2,900  
6-speed shiftable automatic 1,200  
Metallic paint (extra cost) 450  
Bluetooth cell phone link 500  
Bose 215W 10 speakers 1,000  
Tire-pressure monitor 250  
Navigation system 1,950  
Technology Package   3,700
AWD   1,400
Premium Package 2,639  
6-speed shiftable automatic 1,172  
Metallic paint (extra cost) 410  
Bluetooth cell phone link 455  
Bose 215W 10 speakers 910  
Tire-pressure monitor 228  
Navigation system 1,775  
Technology Package   3,424
AWD   1,296
Options (change) 8,250 5,100
Options (change) 7,589 4,720
Destination 720 920
Gas Tax 1,300 0
Total Price $57,670 $41,115
Total Invoice $53,277 $38,602

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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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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: $17,300
TrueDelta Adjusted Invoice Difference: $15,374
Model Year20062015
ModelA4 / S4RDX
TrimS4 AvantBase
Body4dr Wagon4dr SUV
Engine340hp V8273hp V6
TransmissionT6T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/23 MPG19/27 MPG
Audio (watts, speakers)215, 10410, 10
Tire (rear if not all the same)235/40-18235/60-18
Total Price$57,670$41,115
Adjustments for Features0-745
Feature-Adjusted Total Price$57,670$40,370
Total Invoice$53,277$38,602
Adjustments for Features0-699
Feature-Adjusted Total Invoice$53,277$37,903

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Features Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20062015
ModelA4 / S4RDX
TrimS4 AvantBase
Body4dr Wagon4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700$1700
Accessories 
Active noise reduction $0
Power liftgate $350
Proximity key $250
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Rearview camera $200
Rollover sensor $50
Cargo Management 
Aluminum roof rails$250 
Cargo area partition net$40 
Cargo net$40 
Climate Control 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Variable intermittent wipers $75
Exterior 
Bodyside cladding $350
Bodyside moldings$75 
Deep-tinted rear windows $275
Rear spoiler $200
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
Media drive $15
MP3-compatible player $50
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar $200
Traffic + travel information $25
Voice control for nav and audio $100
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
Power-folding mirrors$50 
Spotter mirror(s) $50
Steering-linked headlights$150 
Seats and Interior Trim 
Manual thigh support length adjuster, driver 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 
Wood trim$300 
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$4,945$5,690
Value of Feature Adjustments$0$745
Value of Feature Adjustments0-699

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Specifications Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20062015
ModelA4 / S4RDX
Body4dr Wagon4dr SUV
Wheelbase104.3 in105.7 in
Length180.6 in183.5 in
Width69.8 in73.7 in
Height56.2 in66.1 in
Curb Weight4,024 lb.3,838 lb.
Fuel Capacity16.6 gal.16.0 gal.
Row 1 Headroom38.4 in38.7 in
Row 1 Shoulder Room55.1 in58.6 in
Row 1 Hip Room0.0 in55.7 in
Row 1 Legroom41.3 in42.0 in
Row 2 Headroom37.6 in38.1 in
Row 2 Shoulder Room53.4 in57.2 in
Row 2 Hip Room0.0 in53.8 in
Row 2 Legroom34.3 in38.3 in
Cargo Volume,
Minimum
27.8 ft326.1 ft3
Cargo Volume,
Maximum
59.0 ft361.3 ft3

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Option Package Details
Audi A4 / S4 S4 Avant

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150No
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested167579%
Total Not Requested45021%

Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
Fog lights125Yes
Xenon HID headlights500Yes
Telematics service, such as OnStar200No
DVD-Audio-compatible player0No
Power liftgate350No
Surround sound250No
Voice control for nav and audio100No
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25No
Total Requested122549%
Total Not Requested129051%

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