Audi A4 / S4 Audi A4 / S4 2009 Porsche 911 Porsche 911 2010

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Audi A4 / S4 vs. Porsche 911 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. Porsche 911 Invoice Comparison

Lowest Total Price: $56,050

Audi A4 / S4 A4 3.2 Cabriolet   
Difference: $45,255

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092009201020102010
ModelA4 / S4A4 / S4911911911
TrimA4 3.2 CabrioletS4 CabrioletCarreraCarrera STurbo
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $48,800 $57,125 $88,800 $99,800 $143,800
Upgraded leather upholstery 1,000        
Convenience Package 1,550 2,275      
Metallic paint (extra cost) 475 475 710 710  
iPod integration 0 0 440 440 440
Navigation system 2,100 1,950 2,110 2,110  
Heated front seats 450   510 510 510
Obstacle detection, rear 350 350 530 530 530
Front sport buckets 500        
Wood trim   400 890 890 890
Adaptive Sports Seats     3,055 3,055  
Auto-dimming rearview mirror     420 420  
Floor mats     140 140 140
Bluetooth cell phone link     695 695 695
Satellite radio     750 750 750
Audio controls on steering wheel     615 615 0
Steering-linked headlights     690 690 690
Upgraded leather upholstery 930        
Convenience Package 1,442 2,115      
Metallic paint (extra cost) 443 443 0 0  
iPod integration 0 0 0 0 0
Navigation system 1,953 1,813 1,794 1,794  
Heated front seats 418   0 0 425
Obstacle detection, rear 325 325 451 451 451
Front sport buckets 466        
Wood trim   373 757 757 757
Adaptive Sports Seats     2,597 2,597  
Auto-dimming rearview mirror     0 0  
Floor mats     119 119 119
Bluetooth cell phone link     0 0 0
Satellite radio     0 0 0
Audio controls on steering wheel     0 0 0
Steering-linked headlights     0 0 0
Options (change) 6,425 5,450 11,555 11,555 4,645
Options (change) 5,977 5,069 5,718 5,718 1,752
Destination 825 825 950 950 950
Gas Tax 0 1,700 0 0 0
Total Price $56,050 $65,100 $101,305 $112,305 $149,395

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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: Audi A4 / S4 vs. Porsche 911

Lowest Adjusted Price: Audi A4 / S4 A4 3.2 Cabriolet
Lowest Adjusted Invoice: Porsche 911 Turbo
TrueDelta Adjusted Price Difference: $47,810
TrueDelta Adjusted Invoice Difference: $47,164
Model Year20092009201020102010
ModelA4 / S4A4 / S4911911911
TrimA4 3.2 CabrioletS4 CabrioletCarreraCarrera STurbo
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine255hp V6340hp V8345hp H6385hp H6500hp H6
TransmissionT6M6M6M6M6
DrivetrainAWDAWDRWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 9215, 9235, 9235, 9385, 13
Tire (rear if not all the same)235/40-18235/40-18235/40-18235/35-19235/35-19
Total Price$56,050$65,100$101,305$112,305$149,395
Adjustments for Features-2,555-1,2050-500-3,225
Feature-Adjusted Total Price$53,495$63,895$101,305$111,805$146,170
Cost Above Minimum$0$10,400$0$10,500$44,865

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Features Comparison: Audi A4 / S4 vs. Porsche 911

Model Year20092009201020102010
ModelA4 / S4A4 / S4911911911
TrimA4 3.2 CabrioletS4 CabrioletCarreraCarrera STurbo
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100    
6-speed manual $150$150$150$150
AWD$1700$1700  $1700
RWD  $0$0 
Accessories 
Power rear side windows$200$200   
Remote window/roof operation  $15$15$15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0   
Full-size spare tire$225$225   
Knee airbag, driver$75$75   
Knee airbag, passenger$75$75   
Cargo Management 
Rear seat pass-through$100$100   
Ski sack$50$50   
Storage compartment under front seat(s)$50$50   
Climate Control 
Automatic air recirculation$100$100   
Dual-zone climate control$125$125   
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 
Aux input  $50$50$50
Bluetooth cell phone link$100 $100$100$100
DVD-Audio-compatible player  $0$0$0
Media drive  $15$15$15
Off-road navigation system  $0$0$0
SD Card slot$25$25   
Surround sound    $250
Instruments, Lights, and Mirrors 
Boost gauge    $75
Compass$0$0   
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
Manual height adjuster, driver seat $50   
Manual thigh support length adjuster, driver seat $50   
Metal pedals  $75$75$75
Power fore-aft adjuster, driver seat$100 $100$100$100
Power height adjuster, driver seat$100 $100$100$100
Power recliner, driver seat$100 $100$100$100
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 
Power tilt adjuster, driver seat$100 $100$100$100
Upholstered instrument panel, leather    $1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500$500
Ultra-sport suspension (upgrade) $0   
Total Value of Features$4,475$3,125$1,920$2,420$5,145
Value of Feature Adjustments$2,555$1,205$0$500$3,225
Value of Feature Adjustments-2,379-1,1240-30-58

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Specifications Comparison: Audi A4 / S4 vs. Porsche 911

Model Year20092010
ModelA4 / S4911
Body2dr Convertible2dr Convertible
Wheelbase104.3 in92.5 in
Length180.0 in175.6 in
Width70.0 in71.2 in
Height54.8 in51.6 in
Curb Weight3,859 lb.3,264 lb.
Fuel Capacity16.6 gal.16.9 gal.
Row 1 Headroom38.0 in38.0 in
Row 1 Shoulder Room53.0 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom41.3 in41.6 in
Row 2 Headroom36.3 in31.5 in
Row 2 Shoulder Room45.1 in0.0 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume8.9 ft34.4 ft3

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Option Package Details
Audi A4 / S4 A4 3.2 Cabriolet

Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
Auto-dimming passenger-side mirror75Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Total Requested1475100%
Total Not Requested00%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Convenience Package
FeatureValueRequested?
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Auto-dimming passenger-side mirror75Yes
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Total Requested97574%
Total Not Requested35026%

Option Package Details
Porsche 911 Carrera

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested300100%
Total Not Requested00%
iPod integration
FeatureValueRequested?
iPod integration100Yes
Aux input50No
Media drive, large15No
Total Requested10061%
Total Not Requested6539%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
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 tilt adjuster, passenger seat100Yes
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
Total Requested110073%
Total Not Requested40027%

Option Package Details
Porsche 911 Carrera S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested300100%
Total Not Requested00%
iPod integration
FeatureValueRequested?
iPod integration100Yes
Aux input50No
Media drive, large15No
Total Requested10061%
Total Not Requested6539%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
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 tilt adjuster, passenger seat100Yes
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
Total Requested110073%
Total Not Requested40027%

Option Package Details
Porsche 911 Turbo

iPod integration
FeatureValueRequested?
iPod integration100Yes
Aux input50No
Media drive, large15No
Total Requested10061%
Total Not Requested6539%

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