Audi A4 / S4 Audi A4 / S4 2006 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: $39,735

Audi A4 / S4 A4 2.0T Avant   
Difference: $740

Lowest Total Invoice: $36,759

Audi A4 / S4 A4 2.0T Avant   
Difference: $1,716

Calculate Payments

  Down Payment Interest Rate Term
Model Year2006200620062018
ModelA4 / S4A4 / S4A4 / S4RDX
TrimA4 2.0T AvantA4 3.2 AvantS4 AvantBase
Body4dr Wagon4dr Wagon4dr Wagon4dr SUV
Base Price $31,340 $36,390 $47,400 $35,800
Base Invoice $29,053 $33,649 $43,668 $33,995
Technology Package 1,275 1,275   3,700
Sunroof 1,400 1,000    
Premium Package 1,850 1,050 2,900  
Metallic paint (extra cost) 450 450 450  
Bluetooth cell phone link 500 500 500  
Tire-pressure monitor 250 250 250  
Navigation system 1,950 1,950 1,950  
Bose 215W 10 speakers     1,000  
Technology Package 1,160 1,160   3,505
Sunroof 1,274 910    
Premium Package 1,684 956 2,639  
Metallic paint (extra cost) 410 410 410  
Bluetooth cell phone link 455 455 455  
Tire-pressure monitor 228 228 228  
Navigation system 1,775 1,775 1,775  
Bose 215W 10 speakers     910  
Options (change) 7,675 6,475 7,050 3,700
Options (change) 6,986 5,894 6,417 3,505
Destination 720 720 720 975
Gas Tax 0 0 1,700 0
Total Price $39,735 $43,585 $56,870 $40,475
Total Invoice $36,759 $40,263 $52,505 $38,475

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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: Acura RDX
Lowest Adjusted Invoice: Audi A4 / S4 A4 2.0T Avant
TrueDelta Adjusted Price Difference: $745
TrueDelta Adjusted Invoice Difference: $304
Model Year2006200620062018
ModelA4 / S4A4 / S4A4 / S4RDX
TrimA4 2.0T AvantA4 3.2 AvantS4 AvantBase
Body4dr Wagon4dr Wagon4dr Wagon4dr SUV
Engine200hp I4255hp V6340hp V8279hp V6
TransmissionM6M6M6T6
DrivetrainAWDAWDAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)150, 10150, 10215, 10410, 10
Tire (rear if not all the same)235/45-17235/45-17235/40-18235/60-18
Total Price$39,735$43,585$56,870$40,475
Adjustments for Features0-200-450-1,485
Feature-Adjusted Total Price$39,735$43,385$56,420$38,990
Cost Above Minimum$0$3,650$16,685$0
Total Invoice$36,759$40,263$52,505$38,475
Adjustments for Features0-185-415-1,412
Feature-Adjusted Total Invoice$36,759$40,078$52,090$37,063
Cost Above Minimum$0$3,319$15,331$0

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Features Comparison: Audi A4 / S4 vs. Acura RDX

Model Year2006200620062018
ModelA4 / S4A4 / S4A4 / S4RDX
TrimA4 2.0T AvantA4 3.2 AvantS4 AvantBase
Body4dr Wagon4dr Wagon4dr Wagon4dr SUV
Transmission and Drivetrain 
6-speed manual$150$150$150 
6-speed manually-shiftable automatic   $1100
AWD$1700$1700$1700 
FWD   $0
Accessories 
Active noise reduction   $0
Power liftgate   $350
Proximity key   $250
Remote window/roof operation   $15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0 $0
Blind spot warning system   $200
Cross-traffic warning, rear   $100
Rearview camera   $200
Rollover sensor   $50
Wide-view rear camera   $0
Cargo Management 
Aluminum roof rails$250$250$250 
Cargo area partition net$40$40$40 
Cargo net$40$40$40 
Storage compartment under front seat(s)$50$50  
Climate Control 
Heated windshield washer nozzles$15$15$15 
Rain-sensing wipers$175$175$175 
Rear air vents   $100
Variable intermittent wipers   $75
Exterior 
Bodyside cladding   $350
Bodyside moldings$75$75$75 
Deep-tinted rear windows   $275
Rear spoiler   $200
Infotainment 
App support   $0
Aux input   $50
Bluetooth audio streaming   $25
CD changer, remote$200$200$200 
CD player   $125
HD radio   $50
Media drive   $15
MP3-compatible player   $50
Satellite radio  $200$200
Siri Eyes Free support   $0
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$75$75 
Auto-dimming passenger-side mirror$75$75$75 
Fog light, rear$100$100$100 
Fog lights$125$125$125 
Headlight washers  $50 
LED headlights   $1000
Mirror tilt-down in reverse   $25
Power-folding mirrors$50$50$50 
Spotter mirror(s)   $50
Steering-linked headlights$150$150$150 
Xenon HID headlights$500$500$500 
Seats and Interior Trim 
Aluminum trim$100   
Manual thigh support length adjuster, driver seat  $50 
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
Wood trim $300$300 
Suspension, Wheels, and Tires 
Alloy wheels$350$350$350 
Machined alloy wheels   $350
Ultra-sport suspension (upgrade)  $0 
Transmission 
Steering-wheel-mounted transmission controls   $100
Total Value of Features$4,520$4,720$4,970$6,005
Value of Feature Adjustments$0$200$450$1,485
Value of Feature Adjustments0-185-415-1,412

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Specifications Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20062018
ModelA4 / S4RDX
Body4dr Wagon4dr SUV
Wheelbase104.3 in105.7 in
Length180.6 in184.4 in
Width69.8 in73.7 in
Height56.2 in65.0 in
Curb Weight3,672 lb.3,738 lb.
Fuel Capacity16.6 gal.16.0 gal.
Row 1 Headroom38.4 in38.7 in
Row 1 Shoulder Room55.1 in58.7 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 A4 2.0T Avant

Technology Package
FeatureValueRequested?
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Total Requested82585%
Total Not Requested15015%
Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Rain-sensing wipers100No
235/45HR17 tires400No
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Total Requested87556%
Total Not Requested70044%

Option Package Details
Audi A4 / S4 A4 3.2 Avant

Technology Package
FeatureValueRequested?
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Total Requested82585%
Total Not Requested15015%
Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Rain-sensing wipers100No
235/45HR17 tires400No
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75No
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested57545%
Total Not Requested70055%

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
Leather seating surfaces900Yes
Telematics service, such as OnStar200No
DVD-Audio-compatible player0No
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250No
Voice control for nav and audio100No
HD radio50No
Blind spot warning system200No
Media drive15No
ELS, 410W, 10 speakers (with subwoofer)350No
Traffic + travel information25No
Cross-traffic warning, rear100No
Total Requested170057%
Total Not Requested129043%

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