Audi A4 / S4 Audi A4 / S4 2006 Infiniti M Infiniti M 2009
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Audi A4 / S4 vs. Infiniti M 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 M Invoice Comparison

Lowest Total Price: $49,175

Infiniti M M35   
Difference: $5,545

Lowest Total Invoice: $45,402

Infiniti M M35   
Difference: $5,190

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062009
ModelA4 / S4M
TrimS4M35
Body4dr Sedan4dr Sedan
Base Price $46,400 $45,800
Base Invoice $42,758 $42,286
Premium Package 2,900  
6-speed shiftable automatic 1,200  
Metallic paint (extra cost) 450  
Bluetooth cell phone link 500  
Bose 215W 10 speakers 1,000  
Tire-pressure monitor 250  
AWD   2,150
Wood trim   0
Rear spoiler   360
Premium Package 2,639  
6-speed shiftable automatic 1,172  
Metallic paint (extra cost) 410  
Bluetooth cell phone link 455  
Bose 215W 10 speakers 910  
Tire-pressure monitor 228  
AWD   1,981
Wood trim   0
Rear spoiler   270
Options (change) 6,300 2,510
Options (change) 5,814 2,251
Destination 720 865
Gas Tax 1,300 0
Total Price $54,720 $49,175
Total Invoice $50,592 $45,402

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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 M dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Infiniti M M35
TrueDelta Adjusted Price Difference: $5,895
TrueDelta Adjusted Invoice Difference: $5,513
Model Year20062009
ModelA4 / S4M
TrimS4M35
Body4dr Sedan4dr Sedan
Engine340hp V8303hp V6
TransmissionT6T5
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)15/23 MPG16/22 MPG
Audio (watts, speakers)215, 10160, 6
Tire (rear if not all the same)235/40-18245/45-18
Total Price$54,720$49,175
Adjustments for Features0-350
Feature-Adjusted Total Price$54,720$48,825
Total Invoice$50,592$45,402
Adjustments for Features0-323
Feature-Adjusted Total Invoice$50,592$45,079

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Features Comparison: Audi A4 / S4 vs. Infiniti M

Model Year20062009
ModelA4 / S4M
TrimS4M35
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
5-speed manually-shiftable automatic $1000
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
Brake- or yaw-sensor-initiated collision preparation system $0
Cargo Management 
Overhead sunglass holder $25
Rear seat pass-through $100
Climate Control 
Heated windshield washer nozzles$15 
Rear air vents $100
Drivetrain 
Lockable center differential $150
Exterior 
Self-repairing paint $0
Infotainment 
Cassette player$50 
MP3-compatible player $50
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming passenger-side mirror$75 
Fog light, rear$100 
Headlight washers$50 
Mirror tilt-down in reverse $25
Power-folding mirrors$50 
Seats and Interior Trim 
Cooled or ventilated front seats $300
Folding second row seats$300 
Manual thigh support length adjuster, driver seat$50 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power lumbar adjuster, driver seat $100
Power lumbar adjuster, passenger seat $100
Suspension, Wheels, and Tires 
Ultra-sport suspension (upgrade)$0 
Total Value of Features$4,040$4,390
Value of Feature Adjustments$0$350
Value of Feature Adjustments0-323

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

Specifications Comparison: Audi A4 / S4 vs. Infiniti M

Model Year20062009
ModelA4 / S4M
Body4dr Sedan4dr Sedan
Wheelbase104.3 in114.2 in
Length180.6 in192.6 in
Width69.8 in70.8 in
Height56.2 in59.4 in
Curb Weight3,902 lb.4,004 lb.
Fuel Capacity16.6 gal.20.0 gal.
Row 1 Headroom38.4 in39.6 in
Row 1 Shoulder Room55.1 in58.2 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.3 in44.2 in
Row 2 Headroom37.2 in37.8 in
Row 2 Shoulder Room53.4 in56.9 in
Row 2 Hip Room0.0 in53.9 in
Row 2 Legroom34.3 in37.3 in
Cargo Volume13.4 ft314.9 ft3

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

Option Package Details
Audi A4 / S4 S4

Premium Package
FeatureValueRequested?
Heated front seats200Yes
Sunroof900Yes
Universal garage door opener100Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0Yes
Power-folding mirrors50No
Auto-dimming passenger-side mirror75No
Total Requested200094%
Total Not Requested1256%

Option Package Details
Infiniti M M35

AWD
FeatureValueRequested?
AWD0Yes
Lockable center differential150No
5-speed manually-shiftable automatic0Yes
Total Requested00%
Total Not Requested150100%

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