Audi A4 / S4 Audi A4 / S4 2006 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: $51,535

Audi A4 / S4 A4 3.0 Cabriolet   
Difference: $49,290

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062006201020102010
ModelA4 / S4A4 / S4911911911
TrimA4 3.0 CabrioletS4 CabrioletCarreraCarrera STurbo
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $45,490 $54,640 $88,800 $99,800 $143,800
Premium Package 1,825 1,775      
Metallic paint (extra cost) 450 450 710 710  
Tire-pressure monitor 250 250      
Bluetooth cell phone link 500 500 695 695 695
Navigation system 1,950 1,950 2,110 2,110  
Obstacle detection, rear 350 350 530 530 530
Bose 215W 9 speakers   1,000      
Audio controls on steering wheel   150 615 615 0
Adaptive Sports Seats     3,055 3,055  
Auto-dimming rearview mirror     420 420  
Floor mats     140 140 140
CD changer, in-dash     650 650 650
Satellite radio     750 750 750
Heated front seats     510 510 510
Wood trim     890 890 890
Premium Package 1,661 1,615      
Metallic paint (extra cost) 410 410 0 0  
Tire-pressure monitor 228 228      
Bluetooth cell phone link 455 455 0 0 0
Navigation system 1,775 1,775 1,794 1,794  
Obstacle detection, rear 319 319 451 451 451
Bose 215W 9 speakers   910      
Audio controls on steering wheel   137 0 0 0
Adaptive Sports Seats     2,597 2,597  
Auto-dimming rearview mirror     0 0  
Floor mats     119 119 119
CD changer, in-dash     553 553 553
Satellite radio     0 0 0
Heated front seats     0 0 425
Wood trim     757 757 757
Options (change) 5,325 6,425 11,075 11,075 4,165
Options (change) 4,848 5,849 6,271 6,271 2,305
Destination 720 720 950 950 950
Gas Tax 0 1,700 0 0 0
Total Price $51,535 $63,485 $100,825 $111,825 $148,915

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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 3.0 Cabriolet
Lowest Adjusted Invoice: Porsche 911 Turbo
TrueDelta Adjusted Price Difference: $51,060
TrueDelta Adjusted Invoice Difference: $42,759
Model Year20062006201020102010
ModelA4 / S4A4 / S4911911911
TrimA4 3.0 CabrioletS4 CabrioletCarreraCarrera STurbo
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine220hp V6340hp V8345hp H6385hp H6500hp H6
TransmissionT5M6M6M6M6
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)235/45-17235/40-18235/40-18235/35-19235/35-19
Total Price$51,535$63,485$100,825$111,825$148,915
Adjustments for Features-1,770-1,1700-500-3,225
Feature-Adjusted Total Price$49,765$62,315$100,825$111,325$145,690
Cost Above Minimum$0$12,550$0$10,500$44,865

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Features Comparison: Audi A4 / S4 vs. Porsche 911

Model Year20062006201020102010
ModelA4 / S4A4 / S4911911911
TrimA4 3.0 CabrioletS4 CabrioletCarreraCarrera STurbo
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000    
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 
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
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
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500$500
Ultra-sport suspension (upgrade) $0   
Total Value of Features$3,800$3,200$2,030$2,530$5,255
Value of Feature Adjustments$1,770$1,170$0$500$3,225
Value of Feature Adjustments-1,634-1,0790-32-70

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Specifications Comparison: Audi A4 / S4 vs. Porsche 911

Model Year20062010
ModelA4 / S4911
Body2dr Convertible2dr Convertible
Wheelbase104.5 in92.5 in
Length180.0 in175.6 in
Width70.0 in71.2 in
Height54.8 in51.6 in
Curb Weight3,683 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 3.0 Cabriolet

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

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%

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%
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 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

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested300100%
Total Not Requested00%
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 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%

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