Porsche 911 Porsche 911 2013 Audi A4 / S4 Audi A4 / S4 2009

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $56,050

Audi A4 / S4 A4 3.2 Cabriolet   
Difference: $51,100

Calculate Payments

  Down Payment Interest Rate Term
Model Year201320132013201320092009
Model911911911911A4 / S4A4 / S4
TrimCarreraCarrera STurboTurbo SA4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $96,200 $110,800 $149,000 $172,100 $48,800 $57,125
Premium Package Plus 2,330 2,330        
Adaptive sport seats plus 3,825 3,825        
Metallic paint (extra cost) 710 710     475 475
Satellite radio 750 750 750 750    
Audio controls on steering wheel 615 615 0 0    
Wood trim 1,770 1,770 890 890   400
Interior ambient lighting     370 370    
Heated front seats     525 525 450  
Obstacle detection, rear     530 530 350 350
Steering-linked headlights     690      
Convenience Package         1,550 2,275
Upgraded leather upholstery         1,000  
Navigation system         2,100 1,950
iPod integration         0 0
Front sport buckets         500  
Premium Package Plus 0 0        
Adaptive sport seats plus 0 0        
Metallic paint (extra cost) 0 0     443 443
Satellite radio 0 0 0 0    
Audio controls on steering wheel 0 0 0 0    
Wood trim 0 0 0 0   373
Interior ambient lighting     0 0    
Heated front seats     0 0 418  
Obstacle detection, rear     0 0 325 325
Steering-linked headlights     0      
Convenience Package         1,442 2,115
Upgraded leather upholstery         930  
Navigation system         1,953 1,813
iPod integration         0 0
Front sport buckets         466  
Options (change) 10,000 10,000 3,755 3,065 6,425 5,450
Options (change) 0 0 0 0 5,977 5,069
Destination 950 950 950 950 825 825
Gas Tax 0 0 0 0 0 1,700
Total Price $107,150 $121,750 $153,705 $176,115 $56,050 $65,100

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Porsche 911 dealer quotes or Audi A4 / S4 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: Porsche 911 vs. Audi A4 / S4

Lowest Adjusted Price: Audi A4 / S4 A4 3.2 Cabriolet
Lowest Adjusted Invoice: Porsche 911 Turbo S
TrueDelta Adjusted Price Difference: $52,105
TrueDelta Adjusted Invoice Difference: $50,027
Model Year201320132013201320092009
Model911911911911A4 / S4A4 / S4
TrimCarreraCarrera STurboTurbo SA4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine350hp H6400hp H6500hp H6530hp H6255hp V6340hp V8
TransmissionM7M7M6S7T6M6
DrivetrainRWDRWDAWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9235, 9385, 13385, 13180, 9215, 9
Tire (rear if not all the same)235/40-19245/35-20235/35-19235/35-19235/40-18235/40-18
Total Price$107,150$121,750$153,705$176,115$56,050$65,100
Adjustments for Features-345-1,245-1,770-8,670-1,3500
Feature-Adjusted Total Price$106,805$120,505$151,935$167,445$54,700$65,100
Cost Above Minimum$0$13,700$45,130$60,640$0$10,400

Return to top

Features Comparison: Porsche 911 vs. Audi A4 / S4

Model Year201320132013201320092009
Model911911911911A4 / S4A4 / S4
TrimCarreraCarrera STurboTurbo SA4 3.2 CabrioletS4 Cabriolet
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
7-speed manual$300$300    
6-speed manual  $150  $150
7-speed automated manual   $1200  
6-speed manually-shiftable automatic    $1100 
RWD$0$0    
AWD  $1700$1700$1700$1700
Accessories 
Power rear side windows    $200$200
Proximity key$250$250    
Remote window/roof operation$15$15$15$15  
Tilt/telescoping steering wheel, manual  $250$250$250$250
Tilt/telescoping steering wheel, power$350$350    
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats    $0$0
Ceramic brake rotors   $4000  
Full-size spare tire    $225$225
Knee airbag, driver$75$75  $75$75
Knee airbag, passenger$75$75  $75$75
Side curtain airbags$350$350    
Torque vectoring, brake-based $100 $100  
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  $100$100
Dual-zone climate control$125$125  $125$125
Residual heat$50$50    
Water-repellent front-door glass$15$15$15$15  
Drivetrain 
Electronically-variable engine mounts (performance-oriented)   $500  
Limited-slip rear differential $300$300$300  
Engine / Motor 
Automatic start / stop$150$150    
Rear-engine configuration$0$0$0$0  
Regenerative braking$0$0    
Exterior 
Bodyside moldings    $75$75
Larger rear spoiler  $200$200  
Retractable rear spoiler$400$400    
Infotainment 
Aux input$50$50$50$50  
Bluetooth audio streaming$25$25$25$25  
Bluetooth cell phone link$100$100$100$100$100 
CD changer, in-dash   $325  
CD player$125$125$125 $125$125
DVD-Audio-compatible player$0$0$0$0  
iPod integration    $100$100
Media drive$15$15$15$15  
Off-road navigation system$0$0$0$0  
SD Card slot    $25$25
Surround sound  $250$250  
Traffic information$25$25$25$25  
USB port$25$25$25$25  
Instruments, Lights, and Mirrors 
Boost gauge  $75$75  
Chronometer   $100  
Compass    $0$0
Fog lights  $125$125$125$125
Performance meter   $150  
Turn signals on or near mirrors    $25$25
Seats and Interior Trim 
Center armrest(s), second row    $50$50
Cooled or ventilated front seats$300$300    
Folding second row seats w/o opening to trunk$75$75$75$75  
Manual height adjuster, driver seat     $50
Manual thigh support length adjuster, driver seat     $50
Metal pedals$75$75$75$75  
Power fore-aft adjuster, driver seat$100$100$100$100$100 
Power height adjuster, driver seat$100$100$100$100$100 
Power recliner, driver seat$100$100$100$100$100 
Power seatback bolsters, driver seat$100$100 $100  
Power seatback bolsters, passenger seat$100$100 $100  
Power thigh bolsters, driver seat$100$100 $100  
Power thigh bolsters, passenger seat$100$100 $100  
Power thigh support length adjuster, driver seat$100$100    
Power thigh support length adjuster, passenger seat$100$100    
Power tilt adjuster, driver seat$100$100$100$100$100 
Upholstered instrument panel, leather  $1000$1000  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500$500  
Electronic systems calibration selector   $200  
Ultra-sport suspension (upgrade)     $0
Transmission 
Launch control   $100  
Steering-wheel-mounted transmission controls   $100  
Total Value of Features$4,070$4,970$5,495$12,395$5,075$3,725
Value of Feature Adjustments$345$1,245$1,770$8,670$1,350$0
Value of Feature Adjustments-3-10-11-47-1,2570

Return to top

Specifications Comparison: Porsche 911 vs. Audi A4 / S4

Model Year20132009
Model911A4 / S4
Body2dr Convertible2dr Convertible
Wheelbase96.5 in104.3 in
Length176.8 in180.0 in
Width71.2 in70.0 in
Height51.3 in54.8 in
Curb Weight3,198 lb.3,859 lb.
Fuel Capacity16.9 gal.16.6 gal.
Row 1 Headroom0.0 in38.0 in
Row 1 Shoulder Room0.0 in53.0 in
Row 1 Legroom0.0 in41.3 in
Row 2 Headroom0.0 in36.3 in
Row 2 Shoulder Room0.0 in45.1 in
Row 2 Legroom0.0 in32.4 in
Cargo Volume4.8 ft38.9 ft3

Return to top

Option Package Details
Porsche 911 Carrera

Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Tilt/telescoping steering wheel, power100No
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Power fore-aft adjuster, driver seat100Yes
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 tilt adjuster, passenger seat100Yes
Total Requested170067%
Total Not Requested85033%
Adaptive sport seats plus
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Front sport buckets100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power fore-aft adjuster, driver seat100Yes
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 tilt adjuster, passenger seat100Yes
Total Requested100059%
Total Not Requested70041%

Option Package Details
Porsche 911 Carrera S

Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Heated front seats200Yes
Steering-linked headlights150Yes
Tilt/telescoping steering wheel, power100No
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Power fore-aft adjuster, driver seat100Yes
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 tilt adjuster, passenger seat100Yes
Total Requested170067%
Total Not Requested85033%
Adaptive sport seats plus
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Front sport buckets100Yes
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power fore-aft adjuster, driver seat100Yes
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 tilt adjuster, passenger seat100Yes
Total Requested100059%
Total Not Requested70041%

Option Package Details
Audi A4 / S4 A4 3.2 Cabriolet

Upgraded leather upholstery
FeatureValueRequested?
Upgraded leather upholstery0No
Leather upholstery, extended coverage0No
Upholstered door panels, leather250Yes
Total Requested250100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote-125No
SD Card slot25No
Total Requested600120%
Total Not Requested-100-20%
Convenience Package
FeatureValueRequested?
Memory system, driver seat200Yes
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
Auto-dimming passenger-side mirror75Yes
Total Requested1475100%
Total Not Requested00%

Option Package Details
Audi A4 / S4 S4 Cabriolet

Navigation system
FeatureValueRequested?
Navigation system600Yes
CD changer, remote200No
SD Card slot25No
Total Requested60073%
Total Not Requested22527%
Convenience Package
FeatureValueRequested?
Alloy wheels, optional design0No
Memory system, driver seat200Yes
Bose, 215W, 9 speakers (with subwoofer)350No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Automatic headlights125Yes
Steering-linked headlights150Yes
Auto-dimming driver-side mirror75Yes
Compass0No
Auto-dimming passenger-side mirror75Yes
Total Requested97574%
Total Not Requested35026%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Coupes and Convertibles.
See TrueDelta's information for all Porsche models.