Acura RDX Acura RDX 2018 Audi A4 / S4 Audi A4 / S4 2015

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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: $44,975

Acura RDX   
Difference: $15,950

Lowest Total Invoice: $42,738

Acura RDX   
Difference: $13,987

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182015
ModelRDXA4 / S4
TrimBaseS4 3.0T
Body4dr SUV4dr Sedan
Base Price $35,800 $48,400
Base Invoice $33,995 $45,012
Advance Package 6,700  
AWD 1,500  
Driver Assist Package   2,750
Prestige Package   5,900
Metallic paint (extra cost)   550
7-speed automated manual   1,400
Adaptive dampers - electrical   1,000
Advance Package 6,347  
AWD 1,421  
Driver Assist Package   2,557
Prestige Package   5,488
Metallic paint (extra cost)   511
7-speed automated manual   1,302
Adaptive dampers - electrical   930
Options (change) 8,200 11,600
Options (change) 7,768 10,788
Destination 975 925
Total Price $44,975 $60,925
Total Invoice $42,738 $56,725

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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: $16,675
TrueDelta Adjusted Invoice Difference: $14,676
Model Year20182015
ModelRDXA4 / S4
TrimBaseS4 3.0T
Body4dr SUV4dr Sedan
Engine279hp V6333hp V6
TransmissionT6S7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)19/27 MPG18/28 MPG
Audio (watts, speakers)410, 10505, 14
Tire (rear if not all the same)235/60-18245/40-18
Total Price$44,975$60,925
Adjustments for Features-7250
Feature-Adjusted Total Price$44,250$60,925
Total Invoice$42,738$56,725
Adjustments for Features-6890
Feature-Adjusted Total Invoice$42,049$56,725

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Features Comparison: Acura RDX vs. Audi A4 / S4

Model Year20182015
ModelRDXA4 / S4
TrimBaseS4 3.0T
Body4dr SUV4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed automated manual $1200
AWD$1700$1700
Accessories 
Active noise reduction$0 
Adaptive cruise control $600
Adaptive cruise control, all-speed$850 
Power liftgate$350 
Remote start$150 
Remote window/roof operation$15 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$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 
Air-conditioned storage compartment $50
Cargo cover$75 
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Rear air vents$100 
Rear air vents with automatic controls $250
Rear wiper$175 
Exterior 
Body kit $0
Bodyside cladding$350 
Deep-tinted rear windows$275 
Rear spoiler$200 
Infotainment 
App support$0 
DVD-Audio-compatible player$0 
DVD-compatible player $0
In-vehicle Internet $150
iPod integration $100
SD Card slot $25
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar$200 
USB port$25 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Cornering lights $50
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 
Leather door panel trim $250
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power lumbar adjuster, driver seat$100 
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Active steering $1000
Adaptive dampers - electrical $500
Adaptive dampers - mechanical$100 
Alloy wheels $350
Electronic systems calibration selector $200
Machined alloy wheels$350 
Sport suspension (upgrade) $0
Transmission 
Launch control $100
Total Value of Features$8,665$7,940
Value of Feature Adjustments$725$0
Value of Feature Adjustments-6890

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Specifications Comparison: Acura RDX vs. Audi A4 / S4

Model Year20182015
ModelRDXA4 / S4
Body4dr SUV4dr Sedan
Wheelbase105.7 in110.6 in
Length184.4 in185.1 in
Width73.7 in71.9 in
Height65.0 in56.2 in
Curb Weight3,902 lb.3,935 lb.
Fuel Capacity16.0 gal.16.9 gal.
Row 1 Headroom38.7 in40.0 in
Row 1 Shoulder Room58.7 in55.5 in
Row 1 Hip Room55.7 in0.0 in
Row 1 Legroom42.0 in41.3 in
Row 2 Headroom38.1 in37.5 in
Row 2 Shoulder Room57.2 in54.3 in
Row 2 Hip Room53.8 in0.0 in
Row 2 Legroom38.3 in35.2 in
Cargo Volume,
Minimum
26.1 ft312.4 ft3
Cargo Volume,
Maximum
61.3 ft312.4 ft3

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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 mirror75Yes
Remote start150No
Auto-dimming passenger-side mirror75Yes
Surround sound250Yes
Voice control for nav and audio100Yes
HD radio50Yes
Blind spot warning system200Yes
Media drive15Yes
Traffic + travel information25Yes
Cross-traffic warning, rear100No
Navigation system600Yes
Leather seating surfaces900Yes
Telematics service, such as OnStar200No
DVD-Audio-compatible player0Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
ELS, 410W, 10 speakers (with subwoofer)350No
Pedestrian detection50No
Lane keeping assist400No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Total Requested336555%
Total Not Requested280045%

Option Package Details
Audi A4 / S4 S4 3.0T

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Launch control100No
Total Requested00%
Total Not Requested100100%
Driver Assist Package
FeatureValueRequested?
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Active steering1000No
Automatic braking, low-speed200Yes
Forward collision warning200Yes
Total Requested85046%
Total Not Requested100054%
Prestige Package
FeatureValueRequested?
Steering-linked headlights150No
Surround sound250Yes
Cornering lights50No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Obstacle detection, rear250Yes
Rearview camera200Yes
Blind spot warning system200Yes
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100Yes
HD radio50Yes
Media drive15Yes
Traffic + travel information25Yes
Bluetooth audio streaming25Yes
Total Requested171570%
Total Not Requested75030%

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