Audi A4 / S4 Audi A4 / S4 2006 Infiniti G Infiniti G 2010
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Audi A4 / S4 vs. Infiniti G 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 G Invoice Comparison

Lowest Total Price: $42,505

Infiniti G G37   
Difference: $14,515

Lowest Total Invoice: $38,926

Infiniti G G37   
Difference: $13,760

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  Down Payment Interest Rate Term
Model Year20062010
ModelA4 / S4G
TrimS4G37
Body4dr Sedan4dr Sedan
Base Price $46,400 $33,250
Base Invoice $42,758 $30,727
Premium Package 2,900 2,150
6-speed shiftable automatic 1,200  
Metallic paint (extra cost) 450  
Tire-pressure monitor 250  
Bluetooth cell phone link 500  
Bose 215W 10 speakers 1,000  
Navigation system 1,950  
Obstacle detection, rear 350  
Journey Package   1,200
Rear air vents   0
Navigation Package   1,850
Wood trim   550
Cargo net   60
Aerodynamic Package   980
AWD   1,600
Premium Package 2,639 1,862
6-speed shiftable automatic 1,172  
Metallic paint (extra cost) 410  
Tire-pressure monitor 228  
Bluetooth cell phone link 455  
Bose 215W 10 speakers 910  
Navigation system 1,775  
Obstacle detection, rear 319  
Journey Package   1,105
Rear air vents   0
Navigation Package   1,603
Wood trim   476
Cargo net   46
Aerodynamic Package   769
AWD   1,473
Options (change) 8,600 8,390
Options (change) 7,908 7,334
Destination 720 865
Gas Tax 1,300 0
Total Price $57,020 $42,505
Total Invoice $52,686 $38,926

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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 G dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Infiniti G G37
TrueDelta Adjusted Price Difference: $14,705
TrueDelta Adjusted Invoice Difference: $13,934
Model Year20062010
ModelA4 / S4G
TrimS4G37
Body4dr Sedan4dr Sedan
Engine340hp V8328hp V6
TransmissionT6T7
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/23 MPG19/27 MPG
Audio (watts, speakers)215, 10?, 10
Tire (rear if not all the same)235/40-18225/55-17
Total Price$57,020$42,505
Adjustments for Features0-190
Feature-Adjusted Total Price$57,020$42,315
Total Invoice$52,686$38,926
Adjustments for Features0-174
Feature-Adjusted Total Invoice$52,686$38,752

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Features Comparison: Audi A4 / S4 vs. Infiniti G

Model Year20062010
ModelA4 / S4G
TrimS4G37
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed manually-shiftable automatic $1200
AWD$1700$1700
Accessories 
Proximity key $250
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Rearview camera $200
Cargo Management 
Overhead sunglass holder $25
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
Rain-sensing wipers$175 
Rear air vents $100
Variable intermittent wipers $75
Drivetrain 
Lockable center differential $150
Exterior 
Bodyside moldings$75 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
CD changer, remote$200 
CD player $125
DVD-compatible player $0
Media drive $15
MP3-compatible player $50
Surround sound $250
Traffic + travel information $25
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming driver-side mirror$75 
Auto-dimming passenger-side mirror$75 
Compass$0 
Fog light, rear$100 
Headlight washers$50 
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Folding second row seats$300 
Manual lumbar adjuster, driver seat $50
Manual thigh support length adjuster, driver seat$50 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade)$0 
Total Value of Features$4,690$4,880
Value of Feature Adjustments$0$190
Value of Feature Adjustments0-174

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

Specifications Comparison: Audi A4 / S4 vs. Infiniti G

Model Year20062010
ModelA4 / S4G
Body4dr Sedan4dr Sedan
Wheelbase104.3 in112.2 in
Length180.6 in187.0 in
Width69.8 in69.8 in
Height56.2 in57.2 in
Curb Weight3,902 lb.3,783 lb.
Fuel Capacity16.6 gal.20.0 gal.
Row 1 Headroom38.4 in40.5 in
Row 1 Shoulder Room55.1 in55.6 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.3 in43.9 in
Row 2 Headroom37.2 in37.7 in
Row 2 Shoulder Room53.4 in55.2 in
Row 2 Hip Room0.0 in53.7 in
Row 2 Legroom34.3 in34.7 in
Cargo Volume13.4 ft313.5 ft3

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

Option Package Details
Audi A4 / S4 S4

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150No
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75No
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested167579%
Total Not Requested45021%

Option Package Details
Infiniti G G37

AWD
FeatureValueRequested?
AWD0Yes
Lockable center differential150No
Total Requested00%
Total Not Requested150100%
Journey Package
FeatureValueRequested?
Heated mirrors25Yes
Heated front seats200Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Bluetooth cell phone link100Yes
Rearview camera200No
Compass0No
Dual-zone climate control125Yes
USB port25No
Total Requested82579%
Total Not Requested22521%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
DVD-compatible player0No
Voice control for nav and audio100No
Media drive, large15No
Traffic + travel information25No
SD Card slot25No
Bluetooth audio streaming25No
Total Requested60076%
Total Not Requested19024%
Premium Package
FeatureValueRequested?
Sunroof900Yes
Bose, 10 speakers (with subwoofer)350No
Obstacle detection, rear250Yes
Surround sound250No
Media drive, small5No
Tilt/telescoping steering wheel, power100No
Memory system, driver seat200Yes
Total Requested135066%
Total Not Requested70534%
Aerodynamic Package
FeatureValueRequested?
Rear spoiler200Yes
Sport front fascia (optional)0No
Total Requested200100%
Total Not Requested00%

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