Audi A4 / S4 Audi A4 / S4 2009 Infiniti G Infiniti G 2009
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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: $42,725

Infiniti G G37   
Difference: $3,975

Lowest Total Invoice: $39,138

Infiniti G G37   
Difference: $4,354

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092009
ModelA4 / S4A4 / S4G
TrimA4 2.0TA4 3.2G37
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $31,000 $40,400 $33,250
Base Invoice $28,830 $37,572 $30,727
Prestige Package 7,350 3,350  
Adaptive cruise control 2,100 2,100  
Navigation system 2,500 2,500  
Metallic paint (extra cost) 475 475  
Wood trim 400 400 550
6-speed shiftable automatic 0    
AWD 2,050   2,050
Premium Package     2,300
Journey Package     450
Technology Package     1,100
Navigation Package     2,150
Rear air vents     0
Cargo net     60
Prestige Package 6,835 3,119  
Adaptive cruise control 1,953 1,953  
Navigation system 2,326 2,326  
Metallic paint (extra cost) 443 443  
Wood trim 373 373 476
6-speed shiftable automatic 0    
AWD 1,907   1,878
Premium Package     1,982
Journey Package     413
Technology Package     948
Navigation Package     1,853
Rear air vents     0
Cargo net     46
Options (change) 14,875 8,825 8,660
Options (change) 13,837 8,214 7,596
Destination 825 825 815
Total Price $46,700 $50,050 $42,725
Total Invoice $43,492 $46,611 $39,138

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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.

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: Audi A4 / S4 vs. Infiniti G

Lowest Adjusted Price and Invoice: Infiniti G G37
TrueDelta Adjusted Price Difference: $3,340
TrueDelta Adjusted Invoice Difference: $3,763
Model Year200920092009
ModelA4 / S4A4 / S4G
TrimA4 2.0TA4 3.2G37
Body4dr Sedan4dr Sedan4dr Sedan
Engine211hp I4265hp V6328hp V6
TransmissionT6T6T7
DrivetrainAWDAWDAWD
EPA Fuel Economy (city/highway)14/21 MPG14/21 MPG18/25 MPG
Audio (watts, speakers)505, 14505, 14374, 10
Tire (rear if not all the same)245/45-17245/40-18225/55-17
Total Price$46,700$50,050$42,725
Adjustments for Features-635-6350
Feature-Adjusted Total Price$46,065$49,415$42,725
Cost Above Minimum$0$3,350$0
Total Invoice$43,492$46,611$39,138
Adjustments for Features-591-5910
Feature-Adjusted Total Invoice$42,901$46,020$39,138
Cost Above Minimum$0$3,119$0

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Features Comparison: Audi A4 / S4 vs. Infiniti G

Model Year200920092009
ModelA4 / S4A4 / S4G
TrimA4 2.0TA4 3.2G37
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 
7-speed manually-shiftable automatic  $1200
AWD$1700$1700$1700
Accessories 
Remote window/roof operation  $15
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Brakes, Airbags, and Other Safety 
Blind spot warning system$200$200 
Obstacle detection, rear$250$250 
Cargo Management 
Overhead sunglass holder  $25
Rear seat pass-through  $100
Climate Control 
Automatic air recirculation$100$100 
Heated windshield washer nozzles$15$15 
Rain-sensing wipers$175$175 
Rear air vents  $100
Rear air vents with automatic controls$250$250 
Variable intermittent wipers  $75
Drivetrain 
Lockable center differential  $150
Exterior 
Self-repairing paint  $0
Infotainment 
Media drive  $15
Traffic information  $25
Instruments, Lights, and Mirrors 
Analog clock  $25
Compass$0$0 
Fog light, rear$100$100 
Interior ambient lighting$150$150 
Turn signals on or near mirrors$25$25 
Seats and Interior Trim 
Folding second row seats$300$300 
Leather door panel trim  $250
Power 4-way lumbar adjuster, driver seat$150$150 
Power lumbar adjuster, driver seat  $100
Total Value of Features$4,765$4,765$4,130
Value of Feature Adjustments$635$635$0
Value of Feature Adjustments-591-5910

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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 Year20092009
ModelA4 / S4G
Body4dr Sedan4dr Sedan
Wheelbase110.6 in112.2 in
Length185.2 in187.0 in
Width71.9 in69.8 in
Height56.2 in57.2 in
Curb Weight3,943 lb.3,791 lb.
Fuel Capacity16.9 gal.20.0 gal.
Row 1 Headroom40.0 in40.5 in
Row 1 Shoulder Room55.5 in55.6 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.3 in43.9 in
Row 2 Headroom37.5 in37.7 in
Row 2 Shoulder Room54.3 in55.2 in
Row 2 Hip Room0.0 in53.7 in
Row 2 Legroom35.2 in34.7 in
Cargo Volume12.4 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 A4 2.0T

Prestige Package
FeatureValueRequested?
Obstacle detection, rear250No
Surround sound250Yes
Proximity key250Yes
245/40HR18 tires400No
Blind spot warning system200No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Compass0No
Dual-zone climate control125Yes
Cargo net40Yes
iPod integration100Yes
Heated front seats200Yes
CD changer, in-dash200No
Rear air vents with automatic controls250No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Trip computer150Yes
Rain-sensing wipers100No
Automatic headlights125Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Total Requested244058%
Total Not Requested175042%

Option Package Details
Audi A4 / S4 A4 3.2

Prestige Package
FeatureValueRequested?
Obstacle detection, rear250No
Surround sound250Yes
Proximity key250Yes
245/40HR18 tires400No
Blind spot warning system200No
Bang & Olufsen, 505W, 14 speakers (with subwoofer)350No
Total Requested50029%
Total Not Requested120071%

Option Package Details
Infiniti G G37

AWD
FeatureValueRequested?
AWD0Yes
Heated mirrors25Yes
Heated front seats200Yes
Lockable center differential150No
Total Requested22560%
Total Not Requested15040%
Premium Package
FeatureValueRequested?
Sunroof900Yes
Bose, 374W, 10 speakers (with subwoofer)350No
Tilt/telescoping steering wheel, power100No
Heated mirrors25Yes
Heated front seats200Yes
Power lumbar adjuster, driver seat50Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Bluetooth cell phone link100Yes
Compass0No
Surround sound250Yes
iPod integration100Yes
Total Requested207582%
Total Not Requested45018%
Journey Package
FeatureValueRequested?
CD changer, in-dash200No
Automatic headlights125Yes
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Dual-zone climate control125Yes
Total Requested45069%
Total Not Requested20031%
Technology Package
FeatureValueRequested?
Steering-linked headlights150Yes
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Forward collision alert200Yes
Total Requested800100%
Total Not Requested00%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Rearview camera200Yes
Voice control for nav and audio100Yes
Traffic information25No
Media drive, large15No
SD Card slot25Yes
Total Requested92596%
Total Not Requested404%

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