Infiniti QX Infiniti QX 2006 Audi A4 / S4 Audi A4 / S4 2010
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Infiniti QX 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.

Infiniti QX vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $49,550

Audi A4 / S4 A4 2.0T Avant   
Difference: $3,350

Lowest Total Invoice: $46,142

Audi A4 / S4 A4 2.0T Avant   
Difference: $2,383

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062010
ModelQXA4 / S4
TrimQX56A4 2.0T Avant
Body4dr SUV4dr Wagon
Base Price $49,800 $35,350
Base Invoice $45,750 $32,875
Adaptive cruise control 800 2,100
Sunroof 1,200  
Satellite radio 350  
Driver Assist Package   900
Prestige Package   9,200
Metallic paint (extra cost)   475
Wood trim   400
Chrome-plated alloy wheels   300
Adaptive cruise control 689 1,954
Sunroof 1,034  
Satellite radio 302  
Driver Assist Package   837
Prestige Package   8,556
Metallic paint (extra cost)   443
Wood trim   373
Chrome-plated alloy wheels   279
Options (change) 2,350 13,375
Options (change) 2,025 12,442
Destination 750 825
Total Price $52,900 $49,550
Total Invoice $48,525 $46,142

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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 Infiniti QX dealer quotes or Audi A4 / S4 dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 2.0T Avant
TrueDelta Adjusted Price Difference: $3,050
TrueDelta Adjusted Invoice Difference: $2,108
Model Year20062010
ModelQXA4 / S4
TrimQX56A4 2.0T Avant
Body4dr SUV4dr Wagon
Engine315hp V8211hp I4
TransmissionA5T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)265, 10505, 14
Tire (rear if not all the same)265/70-18245/40-18
Total Price$52,900$49,550
Adjustments for Features-3000
Feature-Adjusted Total Price$52,600$49,550
Total Invoice$48,525$46,142
Adjustments for Features-2750
Feature-Adjusted Total Invoice$48,250$46,142

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Features Comparison: Infiniti QX vs. Audi A4 / S4

Model Year20062010
ModelQXA4 / S4
TrimQX56A4 2.0T Avant
Body4dr SUV4dr Wagon
Transmission and Drivetrain 
5-speed automatic$900 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Power flip-out rear side windows$125 
Power-adjustable pedals$125 
Proximity key $250
Remote window/roof operation$15 
Tilt steering wheel, power$200 
Tilt/telescoping steering wheel, manual $250
Brakes, Airbags, and Other Safety 
Blind spot warning system $200
Rollover sensor$50 
Side curtain airbags $350
Side curtain airbags, three rows$500 
Cargo Management 
Aluminum roof rails $250
Cargo cover $75
Overhead console storage compartments$100 
Overhead sunglass holder$25 
Removable second-row console$200 
Roof rack$300 
Climate Control 
Heated windshield washer nozzles $15
Rain-sensing wipers $175
Rear air vents with automatic controls $250
Rear air vents with manual controls$150 
Rear HVAC unit$400 
Variable intermittent wipers$75 
Exterior 
Bodyside cladding$350 
Deep-tinted rear windows$275 
Panoramic sunroof $1200
Running boards$350 
Sunroof$900 
Tow hook(s), front$40 
Wheel-lip moldings$75 
Infotainment 
Aux input $50
CD changer, in-dash$325 
CD player $125
DVD-compatible player $0
iPod integration $100
Media drive $15
Rear seat audio controls$25 
Surround sound $250
Traffic information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock$25 
Fog light, rear $100
Power-folding mirrors$50 
Transmission temperature gauge$75 
Seats and Interior Trim 
Folding passenger seat$150 
Folding third row seats$600 
Heated second row seats$200 
Leather-wrapped steering wheel $150
Manual lumbar adjuster, passenger seat$50 
Manual recliner, second row seats$75 
Power 4-way lumbar adjuster, driver seat $150
Power lumbar adjuster, driver seat$100 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Auto-leveling rear shocks$200 
Total Value of Features$7,180$6,880
Value of Feature Adjustments$300$0
Value of Feature Adjustments-2750

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

Specifications Comparison: Infiniti QX vs. Audi A4 / S4

Model Year20062010
ModelQXA4 / S4
Body4dr SUV4dr Wagon
Wheelbase123.2 in110.6 in
Length206.9 in185.2 in
Width78.8 in71.9 in
Height77.0 in56.5 in
Curb Weight5,369 lb.3,711 lb.
Fuel Capacity28.0 gal.16.9 gal.
Row 1 Headroom41.0 in40.4 in
Row 1 Shoulder Room65.1 in55.5 in
Row 1 Hip Room61.3 in0.0 in
Row 1 Legroom41.8 in41.3 in
Row 2 Headroom40.0 in38.2 in
Row 2 Shoulder Room64.5 in54.3 in
Row 2 Hip Room60.1 in0.0 in
Row 2 Legroom41.9 in35.2 in
Row 3 Headroom35.9 in0.0 in
Row 3 Shoulder Room63.7 in0.0 in
Row 3 Hip Room48.8 in0.0 in
Row 3 Legroom32.2 in0.0 in
Cargo Volume,
Minimum		20.0 ft317.3 ft3
Cargo Volume,
Behind R2		61.2 ft317.3 ft3
Cargo Volume,
Maximum		97.1 ft350.5 ft3

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

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%
Chrome-plated alloy wheels
FeatureValueRequested?
Chrome-plated alloy wheels500No
245/40YR18 tires400No
Total Requested00%
Total Not Requested900100%
Driver Assist Package
FeatureValueRequested?
Obstacle detection, rear250Yes
Rearview camera200Yes
Blind spot warning system200No
Total Requested45069%
Total Not Requested20031%
Prestige Package
FeatureValueRequested?
Power liftgate350Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Surround sound250No
Proximity key250No
Auto-dimming passenger-side mirror75Yes
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
245/40HR18 tires400No
Heated front seats200Yes
Rear air vents with automatic controls250No
Universal garage door opener100Yes
Trip computer150Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Xenon HID headlights500Yes
Bluetooth cell phone link100Yes
Dual-zone climate control125Yes
iPod integration100No
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Traffic information25No
Media drive, large15No
Total Requested275060%
Total Not Requested184040%

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