Acura RDX Acura RDX 2009 Audi A4 / S4 Audi A4 / S4 2022

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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: $37,955

Acura RDX   
Difference: $23,235

Lowest Total Invoice: $34,950

Acura RDX   
Difference: $22,638

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092022
ModelRDXA4 / S4
TrimBaseS4
Body4dr SUV4dr Sedan
Base Price $33,895 $51,900
Base Invoice $31,164 $48,787
Technology Package 3,300  
Navigation Package   1,500
Premium Plus Package   3,600
S Sport Package   2,500
Metallic paint (extra cost)   595
Technology Package 3,026  
Navigation Package   1,411
Premium Plus Package   3,384
S Sport Package   2,351
Metallic paint (extra cost)   560
Options (change) 3,300 8,195
Options (change) 3,026 7,706
Destination 760 1,095
Total Price $37,955 $61,190
Total Invoice $34,950 $57,588

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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: $14,670
TrueDelta Adjusted Invoice Difference: $14,577
Model Year20092022
ModelRDXA4 / S4
TrimBaseS4
Body4dr SUV4dr Sedan
Engine240hp I4349hp V6
TransmissionT5T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)17/22 MPG21/30 MPG
Audio (watts, speakers)410, 10180, 10
Tire (rear if not all the same)235/55-18245/40-18
Total Price$37,955$61,190
Adjustments for Features0-8,565
Feature-Adjusted Total Price$37,955$52,625
Total Invoice$34,950$57,588
Adjustments for Features0-8,061
Feature-Adjusted Total Invoice$34,950$49,527

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Features Comparison: Acura RDX vs. Audi A4 / S4

Model Year20092022
ModelRDXA4 / S4
TrimBaseS4
Body4dr SUV4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
8-speed manually-shiftable automatic $1300
AWD$1700$1700
Accessories 
Adaptive cruise control, all-speed, topography and road sign aware $1100
Cruise control$150 
Heated steering wheel $100
Low-speed semi-autonomous driving $100
Proximity key $250
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot warning system $200
Collision preparation system, rear $100
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Evasive maneuver assist $200
Following distance indicator $25
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning $200
Lane keeping assist $400
Obstacle detection, front $150
Obstacle detection, rear $250
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rearview camera$200 
Secondary collision brake assist $25
Torque vectoring, brake-based $100
Turn assist $25
Vehicle exit assist $25
Wide-view front camera $150
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
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Rear wiper$175 
Variable intermittent wipers$75 
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Bodyside cladding$350 
Deep-tinted rear windows$275 
Painted brake calipers (optional) $0
Infotainment 
4G LTE connectivity $0
Alexa integration $0
Android Auto support $100
Apple CarPlay support $100
Aux input$50 
Bluetooth audio streaming $25
CD changer, in-dash$325 
DVD-Audio-compatible player$0 
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
MP3-compatible player$50 
Surround sound$250 
Telematics service, such as OnStar $200
Traffic light information $50
USB port $25
Wi-Fi hotspot $50
Wireless charging station $75
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75
Auto-dimming headlights $200
Auto-dimming passenger-side mirror $75
Auto-dimming rearview mirror $150
Automatic headlights $125
Automatic-off headlights$25 
Compass $0
Fog light, rear $100
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Power-folding mirrors $50
Predictive efficiency assist $0
Road sign information $75
Xenon HID headlights$500 
Seats and Interior Trim 
Door sill trim plates$100 
Illuminated door sill trim plates $200
Leather door panel trim$250 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Massage, driver seat $100
Massage, passenger seat $100
Metal pedals $75
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 seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Power tilt adjuster, passenger seat $100
Synthetic suede door panel trim $250
Synthetic suede inserts in leather seating surfaces $0
Upholstered door armrests (optional) $0
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector $200
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,675$14,240
Value of Feature Adjustments$0$8,565
Value of Feature Adjustments0-8,061

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Specifications Comparison: Acura RDX vs. Audi A4 / S4

Model Year20092022
ModelRDXA4 / S4
Body4dr SUV4dr Sedan
Wheelbase104.3 in111.0 in
Length180.7 in187.5 in
Width73.6 in72.7 in
Height65.2 in56.2 in
Curb Weight3,968 lb.3,847 lb.
Fuel Capacity18.0 gal.15.3 gal.
Row 1 Headroom38.7 in37.3 in
Row 1 Shoulder Room58.2 in55.9 in
Row 1 Hip Room54.4 in0.0 in
Row 1 Legroom41.8 in41.3 in
Row 2 Headroom38.3 in37.4 in
Row 2 Shoulder Room56.3 in54.5 in
Row 2 Hip Room53.0 in0.0 in
Row 2 Legroom37.6 in35.7 in
Cargo Volume,
Minimum
27.8 ft312.0 ft3
Cargo Volume,
Maximum
60.6 ft312.0 ft3

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Option Package Details
Acura RDX

Technology Package
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Rearview camera200Yes
Surround sound250No
Voice control for nav and audio100Yes
Traffic information25Yes
ELS, 410W, 10 speakers (with subwoofer)350No
Total Requested92561%
Total Not Requested60039%

Option Package Details
Audi A4 / S4 S4

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75Yes
Traffic information25Yes
Handwriting recognition200No
Traffic light information50No
Total Requested70074%
Total Not Requested25026%
Premium Plus Package
FeatureValueRequested?
245/40HR18 tires400No
Around view cameras300No
Wide-view front camera150No
Large color reconfigurable instrument cluster display250No
Wide-view rear camera0No
Wireless charging station75No
Upholstered door armrests (optional)0No
Proximity key250No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Blind spot warning system200No
Cross-traffic warning, rear100No
Collision preparation system, rear100No
Vehicle exit assist25No
Memory system, driver seat200Yes
Satellite radio200Yes
Obstacle detection, front150No
Obstacle detection, rear250No
Heated steering wheel100No
Auto-dimming driver-side mirror75No
Alarm100No
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Road sign information75No
Turn assist25No
Lane keeping assist400No
Total Requested4008%
Total Not Requested442592%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Active rear differential500Yes
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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