Porsche 911 Porsche 911 2009 Audi A4 / S4 Audi A4 / S4 2006

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Porsche 911 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.

Porsche 911 vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $51,535

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $46,935

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009200920062006
Model911911911A4 / S4A4 / S4
TrimCarreraCarrera STurboA4 3.0 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $86,200 $96,800 $139,300 $45,490 $54,640
Adaptive Sports Seats 3,055 3,055      
Auto-dimming rearview mirror 420 420      
Metallic paint (extra cost) 710 710   450 450
Audio controls on steering wheel 870 870     150
Floor mats 140 140 140    
CD changer, in-dash 650 650 650    
Obstacle detection, rear 530 530 530 350 350
Bluetooth cell phone link 695 695 695 500 500
Navigation system 2,110 2,110   1,950 1,950
Heated front seats 500 500 500    
Satellite radio 750 750 750    
Wood trim 890 890 890    
Wood/leather-wrapped steering wheel     255    
6-speed manual     0    
Premium Package       1,825 1,775
Tire-pressure monitor       250 250
Bose 215W 9 speakers         1,000
Adaptive Sports Seats 2,597 2,597      
Auto-dimming rearview mirror 0 0      
Metallic paint (extra cost) 0 0   410 410
Audio controls on steering wheel 0 0     137
Floor mats 119 119 119    
CD changer, in-dash 553 553 553    
Obstacle detection, rear 451 451 451 319 319
Bluetooth cell phone link 0 0 0 455 455
Navigation system 1,794 1,794   1,775 1,775
Heated front seats 425 425 425    
Satellite radio 0 0 0    
Wood trim 757 757 757    
Wood/leather-wrapped steering wheel     0    
6-speed manual     0    
Premium Package       1,661 1,615
Tire-pressure monitor       228 228
Bose 215W 9 speakers         910
Options (change) 11,320 11,320 4,410 5,325 6,425
Options (change) 6,696 6,696 2,305 4,848 5,849
Destination 950 950 950 720 720
Gas Tax 0 0 0 0 1,700
Total Price $98,470 $109,070 $144,660 $51,535 $63,485

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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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TrueDelta Value Comparison: Porsche 911 vs. Audi A4 / S4

Lowest Adjusted Price: Audi A4 / S4 A4 3.0 Cabriolet
Lowest Adjusted Invoice: Porsche 911 Turbo
TrueDelta Adjusted Price Difference: $48,705
TrueDelta Adjusted Invoice Difference: $42,762
Model Year20092009200920062006
Model911911911A4 / S4A4 / S4
TrimCarreraCarrera STurboA4 3.0 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine345hp H6385hp H6480hp H6220hp V6340hp V8
TransmissionM6M6M6T5M6
DrivetrainRWDRWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9235, 9385, 13180, 9215, 9
Tire (rear if not all the same)235/40-18235/35-19235/35-19235/45-17235/40-18
Total Price$98,470$109,070$144,660$51,535$63,485
Adjustments for Features0-500-3,225-1,770-1,170
Feature-Adjusted Total Price$98,470$108,570$141,435$49,765$62,315
Cost Above Minimum$0$10,100$42,965$0$12,550

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Features Comparison: Porsche 911 vs. Audi A4 / S4

Model Year20092009200920062006
Model911911911A4 / S4A4 / S4
TrimCarreraCarrera STurboA4 3.0 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150$150$150 $150
5-speed manually-shiftable automatic   $1000 
RWD$0$0   
AWD  $1700$1700$1700
Accessories 
Power rear side windows   $200$200
Remote window/roof operation$15$15$15  
Brakes, Airbags, and Other Safety 
Knee airbag, driver   $75$75
Knee airbag, passenger   $75$75
Cargo Management 
Rear seat pass-through   $100$100
Ski sack   $50$50
Climate Control 
Dual-zone climate control   $125$125
Rain-sensing wipers$175$175$175  
Variable intermittent wipers   $75$75
Water-repellent front-door glass$15$15$15  
Drivetrain 
Limited-slip rear differential  $300  
Engine / Motor 
Rear-engine configuration$0$0$0  
Exterior 
Bodyside moldings   $75$75
Larger rear spoiler  $200  
Retractable rear spoiler$400$400   
Infotainment 
CD changer, in-dash$325$325$325  
CD changer, remote   $200$200
MP3-compatible player$50$50$50  
Off-road navigation system$0$0$0  
Satellite radio$200$200$200 $200
Surround sound  $250  
Instruments, Lights, and Mirrors 
Boost gauge  $75  
Compass   $0$0
Power-folding mirrors   $50$50
Turn signals on or near mirrors   $25$25
Seats and Interior Trim 
Center armrest(s), second row   $50$50
Folding second row seats$300$300$300  
Leather-wrapped steering wheel$150$150 $150$150
Manual thigh support length adjuster, driver seat    $50
Power seatback bolsters, driver seat$100$100   
Power seatback bolsters, passenger seat$100$100   
Power thigh bolsters, driver seat$100$100   
Power thigh bolsters, passenger seat$100$100   
Upholstered instrument panel, leather  $1000  
Wood/leather-wrapped steering wheel  $150  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500  
Ultra-sport suspension (upgrade)    $0
Total Value of Features$2,180$2,680$5,405$3,950$3,350
Value of Feature Adjustments$0$500$3,225$1,770$1,170
Value of Feature Adjustments0-35-73-1,634-1,079

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Specifications Comparison: Porsche 911 vs. Audi A4 / S4

Model Year20092006
Model911A4 / S4
Body2dr Convertible2dr Convertible
Wheelbase92.5 in104.5 in
Length175.6 in180.0 in
Width71.2 in70.0 in
Height51.6 in54.8 in
Curb Weight3,264 lb.3,683 lb.
Fuel Capacity16.9 gal.16.6 gal.
Row 1 Headroom38.0 in38.0 in
Row 1 Shoulder Room51.7 in53.0 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.3 in
Row 2 Headroom31.5 in36.3 in
Row 2 Shoulder Room0.0 in45.1 in
Row 2 Legroom0.0 in32.4 in
Cargo Volume4.4 ft38.9 ft3

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Option Package Details
Porsche 911 Carrera

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested110073%
Total Not Requested40027%

Option Package Details
Porsche 911 Carrera S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested110073%
Total Not Requested40027%

Option Package Details
Audi A4 / S4 A4 3.0 Cabriolet

Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote-125Yes
Total Requested475100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Wind blocker300Yes
Auto-dimming rearview mirror150Yes
Automatic headlights125Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Total Requested172597%
Total Not Requested503%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Bose, 215W, 9 speakers (with subwoofer)
FeatureValueRequested?
Bose, 215W, 9 speakers (with subwoofer)350No
Satellite radio200Yes
Total Requested20036%
Total Not Requested35064%
Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote-125Yes
Total Requested475100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Heated front seats200Yes
Universal garage door opener100Yes
Automatic headlights125Yes
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Wind blocker300Yes
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Power-folding mirrors50No
Auto-dimming passenger-side mirror75Yes
Total Requested122596%
Total Not Requested504%

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