Acura RDX Acura RDX 2019 Audi A4 / S4 Audi A4 / S4 2009

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $45,095

Acura RDX   
Difference: $3,505

Lowest Total Invoice: $42,853

Acura RDX   
Difference: $2,404

Calculate Payments

  Down Payment Interest Rate Term
Model Year20192009
ModelRDXA4 / S4
TrimBaseA4 2.0T Avant
Body4dr SUV4dr Wagon
Base Price $37,400 $34,850
Base Invoice $35,511 $32,410
Advance Package 6,700  
Prestige Package   7,850
Adaptive cruise control   2,100
Navigation system   2,500
Metallic paint (extra cost)   475
Advance Package 6,347  
Prestige Package   7,300
Adaptive cruise control   1,953
Navigation system   2,326
Metallic paint (extra cost)   443
Options (change) 6,700 12,925
Options (change) 6,347 12,022
Destination 995 825
Total Price $45,095 $48,600
Total Invoice $42,853 $45,257

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Acura RDX dealer quotes or Audi A4 / S4 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $5,005
TrueDelta Adjusted Invoice Difference: $3,829
Model Year20192009
ModelRDXA4 / S4
TrimBaseA4 2.0T Avant
Body4dr SUV4dr Wagon
Engine272hp I4211hp I4
TransmissionT10T6
DrivetrainFWDAWD
EPA Fuel Economy (city/highway)22/28 MPG17/26 MPG
Audio (watts, speakers)410, 10505, 14
Tire (rear if not all the same)235/55-19245/45-17
Total Price$45,095$48,600
Adjustments for Features-1,5000
Feature-Adjusted Total Price$43,595$48,600
Total Invoice$42,853$45,257
Adjustments for Features-1,4250
Feature-Adjusted Total Invoice$41,428$45,257

Return to top

Features Comparison: Acura RDX vs. Audi A4 / S4

Model Year20192009
ModelRDXA4 / S4
TrimBaseA4 2.0T Avant
Body4dr SUV4dr Wagon
Transmission and Drivetrain 
10-speed manually-shiftable automatic$1500 
6-speed manually-shiftable automatic $1100
FWD$0 
AWD $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$8,230$6,730
Value of Feature Adjustments$1,500$0
Value of Feature Adjustments-1,4250

Return to top

Specifications Comparison: Acura RDX vs. Audi A4 / S4

Model Year20192009
ModelRDXA4 / S4
Body4dr SUV4dr Wagon
Wheelbase108.3 in110.6 in
Length186.8 in185.2 in
Width74.8 in71.9 in
Height65.7 in56.5 in
Curb Weight3,783 lb.3,810 lb.
Fuel Capacity17.1 gal.16.9 gal.
Row 1 Headroom40.0 in40.4 in
Row 1 Shoulder Room60.0 in55.5 in
Row 1 Hip Room55.0 in0.0 in
Row 1 Legroom42.0 in41.3 in
Row 2 Headroom38.0 in38.2 in
Row 2 Shoulder Room57.0 in54.3 in
Row 2 Hip Room50.0 in0.0 in
Row 2 Legroom38.0 in35.2 in
Cargo Volume,
Minimum
31.1 ft317.3 ft3
Cargo Volume,
Maximum
58.9 ft350.5 ft3

Return to top

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
Voice control for nav and audio100Yes
HD radio50No
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
ELS, 410W, 10 speakers (with subwoofer)350No
Lane keeping assist400No
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
Total Requested292547%
Total Not Requested324053%

Option Package Details
Audi A4 / S4 A4 2.0T Avant

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Forward collision alert200Yes
Total Requested650100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Trip computer150Yes
Rearview camera200Yes
Voice control for nav and audio100Yes
Total Requested1050100%
Total Not Requested00%
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
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Compass0Yes
Dual-zone climate control125Yes
Cargo net40No
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
Total Requested315069%
Total Not Requested139031%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all SUVs
See TrueDelta's information for all Acura models.