Audi A4 / S4 Audi A4 / S4 2015 Infiniti FX Infiniti FX 2006
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Audi A4 / S4 vs. Infiniti FX 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. Infiniti FX Invoice Comparison

Lowest Total Price: $52,600

Infiniti FX FX45   
Difference: $2,675

Lowest Total Invoice: $48,251

Infiniti FX FX45   
Difference: $3,221

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152006
ModelA4 / S4FX
TrimS4 3.0TFX45
Body4dr Sedan4dr SUV
Base Price $48,400 $49,750
Base Invoice $45,012 $45,705
Technology Package 2,900  
Metallic paint (extra cost) 550  
7-speed automated manual 1,400  
Wood trim, alternative type 1,100  
Satellite radio   400
Navigation system   1,800
Technology Package 2,698  
Metallic paint (extra cost) 511  
7-speed automated manual 1,302  
Wood trim, alternative type 1,024  
Satellite radio   345
Navigation system   1,551
Options (change) 5,950 2,200
Options (change) 5,535 1,896
Destination 925 650
Total Price $55,275 $52,600
Total Invoice $51,472 $48,251

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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 Infiniti FX dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Infiniti FX

Lowest Adjusted Price and Invoice: Infiniti FX FX45
TrueDelta Adjusted Price Difference: $2,250
TrueDelta Adjusted Invoice Difference: $2,825
Model Year20152006
ModelA4 / S4FX
TrimS4 3.0TFX45
Body4dr Sedan4dr SUV
Engine333hp V6320hp V8
TransmissionS7T5
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)18/28 MPG14/18 MPG
Audio (watts, speakers)180, 10300, 11
Tire (rear if not all the same)245/40-18265/50-20
Total Price$55,275$52,600
Adjustments for Features-4250
Feature-Adjusted Total Price$54,850$52,600
Total Invoice$51,472$48,251
Adjustments for Features-3960
Feature-Adjusted Total Invoice$51,076$48,251

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Features Comparison: Audi A4 / S4 vs. Infiniti FX

Model Year20152006
ModelA4 / S4FX
TrimS4 3.0TFX45
Body4dr Sedan4dr SUV
Transmission and Drivetrain 
7-speed automated manual$1200 
5-speed manually-shiftable automatic $1000
AWD$1700$1700
Accessories 
Power liftgate $350
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Blind spot warning system$200 
Obstacle detection, rear$250 
Rollover sensor $50
Cargo Management 
Air-conditioned storage compartment$50 
Aluminum roof rails $250
Cargo cover $75
Cargo net $40
Overhead sunglass holder $25
Climate Control 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents $100
Rear air vents with automatic controls$250 
Rear wiper $175
Variable intermittent wipers $75
Drivetrain 
Lockable center differential $150
Exterior 
Body kit$0 
Deep-tinted rear windows $275
Rear spoiler $200
Wheel-lip moldings $75
Infotainment 
Aux input$50 
Bluetooth audio streaming$25 
CD changer, in-dash $325
CD player$125 
DVD-compatible player$0 
HD radio$50 
In-vehicle Internet$150 
iPod integration$100 
Media drive$15 
Traffic + travel information$25 
Voice control for nav and audio$100 
Wi-Fi hotspot$50 
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming driver-side mirror$75 
Auto-dimming passenger-side mirror$75 
Fog light, rear$100 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Manual recliner, second row seats $75
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 
Wood trim $300
Wood trim, alternative type$300 
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,155$5,730
Value of Feature Adjustments$425$0
Value of Feature Adjustments-3960

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See a complete comparison of Audi A4 / S4 vs. Infiniti FX features.

Specifications Comparison: Audi A4 / S4 vs. Infiniti FX

Model Year20152006
ModelA4 / S4FX
Body4dr Sedan4dr SUV
Wheelbase110.6 in112.2 in
Length185.1 in189.1 in
Width71.9 in75.8 in
Height56.2 in65.9 in
Curb Weight3,935 lb.4,533 lb.
Fuel Capacity16.9 gal.23.8 gal.
Row 1 Headroom40.0 in40.8 in
Row 1 Shoulder Room55.5 in56.9 in
Row 1 Hip Room0.0 in54.3 in
Row 1 Legroom41.3 in43.9 in
Row 2 Headroom37.5 in39.5 in
Row 2 Shoulder Room54.3 in57.4 in
Row 2 Hip Room0.0 in55.0 in
Row 2 Legroom35.2 in35.2 in
Cargo Volume,
Minimum		12.4 ft327.4 ft3
Cargo Volume,
Maximum		12.464.5 ft3

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See a complete comparison of Audi A4 / S4 vs. Infiniti FX specs.

Option Package Details
Audi A4 / S4 S4 3.0T

Technology Package
FeatureValueRequested?
Obstacle detection, rear250No
Rearview camera200Yes
Blind spot warning system200No
In-vehicle Internet150No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
HD radio50No
Media drive15No
Traffic + travel information25No
Bluetooth audio streaming25No
Total Requested80048%
Total Not Requested86552%

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