Audi A4 / S4 Audi A4 / S4 2009 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: $3,625

Lowest Total Invoice: $42,738

Acura RDX   
Difference: $2,519

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092018
ModelA4 / S4RDX
TrimA4 2.0T AvantBase
Body4dr Wagon4dr SUV
Base Price $34,850 $35,800
Base Invoice $32,410 $33,995
Navigation system 2,500  
Prestige Package 7,850  
Adaptive cruise control 2,100  
Metallic paint (extra cost) 475  
Advance Package   6,700
AWD   1,500
Navigation system 2,326  
Prestige Package 7,300  
Adaptive cruise control 1,953  
Metallic paint (extra cost) 443  
Advance Package   6,347
AWD   1,421
Options (change) 12,925 8,200
Options (change) 12,022 7,768
Destination 825 975
Total Price $48,600 $44,975
Total Invoice $45,257 $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: $6,425
TrueDelta Adjusted Invoice Difference: $5,180
Model Year20092018
ModelA4 / S4RDX
TrimA4 2.0T AvantBase
Body4dr Wagon4dr SUV
Engine211hp I4279hp V6
TransmissionT6T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)14/21 MPG19/27 MPG
Audio (watts, speakers)505, 14410, 10
Tire (rear if not all the same)245/45-17235/60-18
Total Price$48,600$44,975
Adjustments for Features0-2,800
Feature-Adjusted Total Price$48,600$42,175
Total Invoice$45,257$42,738
Adjustments for Features0-2,661
Feature-Adjusted Total Invoice$45,257$40,077

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Features Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20092018
ModelA4 / S4RDX
TrimA4 2.0T AvantBase
Body4dr Wagon4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700$1700
Accessories 
Active noise reduction $0
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Remote start $150
Remote window/roof operation $15
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $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 
Aluminum roof rails$250 
Cargo net$40 
Climate Control 
Automatic air recirculation$100 
Heated windshield washer nozzles$15 
Rear air vents $100
Rear air vents with automatic controls$250 
Exterior 
Bodyside cladding $350
Deep-tinted rear windows $275
Panoramic sunroof$1200 
Rear spoiler $200
Sunroof $900
Infotainment 
App support $0
Bluetooth audio streaming $25
DVD-Audio-compatible player $0
HD radio $50
iPod integration$100 
Media drive $15
SD Card slot$25 
Siri Eyes Free support $0
SMS text-to-speech reader $25
Telematics service, such as OnStar $200
Traffic + travel information $25
USB port $25
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Fog light, rear$100 
LED headlights $1000
Mirror tilt-down in reverse $25
Spotter mirror(s) $50
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim$100 
Cooled or ventilated front seats $300
Power 4-way lumbar adjuster, driver seat$150 
Power lumbar adjuster, driver seat $100
Suspension, Wheels, and Tires 
Adaptive dampers - mechanical $100
Alloy wheels$350 
Machined alloy wheels $350
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,730$9,530
Value of Feature Adjustments$0$2,800
Value of Feature Adjustments0-2,661

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Specifications Comparison: Audi A4 / S4 vs. Acura RDX

Model Year20092018
ModelA4 / S4RDX
Body4dr Wagon4dr SUV
Wheelbase110.6 in105.7 in
Length185.2 in184.4 in
Width71.9 in73.7 in
Height56.5 in65.0 in
Curb Weight4,063 lb.3,902 lb.
Fuel Capacity16.9 gal.16.0 gal.
Row 1 Headroom40.4 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 Headroom38.2 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
17.3 ft326.1 ft3
Cargo Volume,
Maximum
50.5 ft361.3 ft3

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Option Package Details
Audi A4 / S4 A4 2.0T Avant

Prestige Package
FeatureValueRequested?
Power liftgate350Yes
Obstacle detection, rear250Yes
Surround sound250Yes
Proximity key250Yes
Blind spot warning system200Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
245/40HR18 tires400No
Heated front seats200Yes
iPod integration100Yes
CD changer, in-dash200No
Rear air vents with automatic controls250No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Trip computer150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Compass0Yes
Dual-zone climate control125Yes
Cargo net40No
Total Requested315069%
Total Not Requested139031%

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 mirror75No
Remote start150No
Auto-dimming passenger-side mirror75No
Blind spot warning system200Yes
Media drive15No
Traffic + travel information25No
Cross-traffic warning, rear100No
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 sound250Yes
Voice control for nav and audio100Yes
HD radio50No
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-speed200No
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Pedestrian detection50No
Lane keeping assist400No
Total Requested292547%
Total Not Requested324053%

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