Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 Porsche 911 Porsche 911 2013

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

Join Us

Audi A4 / S4 / RS4 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 / RS4 vs. Porsche 911 Invoice Comparison

Lowest Total Price: $84,775

Audi A4 / S4 / RS4 RS4 Cabriolet   
Difference: $24,785

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082013201320132013
ModelA4 / S4 / RS4911911911911
TrimRS4 CabrioletCarreraCarrera STurboTurbo S
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Base Price $81,900 $96,200 $110,800 $149,000 $172,100
iPod integration 0        
Adaptive sport seats plus   3,825 3,825    
Premium Package Plus   2,330 2,330    
Metallic paint (extra cost)   710 710    
Satellite radio   750 750 750 750
Power-folding mirrors   320 320    
Audio controls on steering wheel   615 615 0 0
Carbon fiber trim   1,770 1,770 1,140 1,140
Adaptive dampers - electrical   2,090      
Obstacle detection, rear       530 530
Heated front seats       525 525
Steering-linked headlights       690  
Interior ambient lighting       370 370
iPod integration 0        
Adaptive sport seats plus   0 0    
Premium Package Plus   0 0    
Metallic paint (extra cost)   0 0    
Satellite radio   0 0 0 0
Power-folding mirrors   0 0    
Audio controls on steering wheel   0 0 0 0
Carbon fiber trim   0 0 0 0
Adaptive dampers - electrical   0      
Obstacle detection, rear       0 0
Heated front seats       0 0
Steering-linked headlights       0  
Interior ambient lighting       0 0
Options (change) 0 12,410 10,320 4,005 3,315
Options (change) 0 0 0 0 0
Destination 775 950 950 950 950
Gas Tax 2,100 0 0 0 0
Total Price $84,775 $109,560 $122,070 $153,955 $176,365

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 Audi A4 / S4 / RS4 dealer quotes or Porsche 911 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: Audi A4 / S4 / RS4 vs. Porsche 911

Lowest Adjusted Price: Audi A4 / S4 / RS4 RS4 Cabriolet
Lowest Adjusted Invoice: Porsche 911 Turbo S
TrueDelta Adjusted Price Difference: $25,690
TrueDelta Adjusted Invoice Difference: $77,291
Model Year20082013201320132013
ModelA4 / S4 / RS4911911911911
TrimRS4 CabrioletCarreraCarrera STurboTurbo S
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Engine420hp V8350hp H6400hp H6500hp H6530hp H6
TransmissionM6M7M7M6S7
DrivetrainAWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)215, 9235, 9235, 9385, 13385, 13
Tire (rear if not all the same)255/35-19235/40-19245/35-20235/35-19235/35-19
Total Price$84,775$109,560$122,070$153,955$176,365
Adjustments for Features-9050-400-875-7,775
Feature-Adjusted Total Price$83,870$109,560$121,670$153,080$168,590
Cost Above Minimum$0$0$12,110$43,520$59,030

Return to top

Features Comparison: Audi A4 / S4 / RS4 vs. Porsche 911

Model Year20082013201320132013
ModelA4 / S4 / RS4911911911911
TrimRS4 CabrioletCarreraCarrera STurboTurbo S
Body2dr Convertible2dr Convertible2dr Convertible2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manual$150  $150 
7-speed manual $300$300  
7-speed automated manual    $1200
AWD$1700  $1700$1700
RWD $0$0  
Accessories 
Power rear side windows$200    
Proximity key $250$250  
Remote window/roof operation $15$15$15$15
Tilt/telescoping steering wheel, manual$250  $250$250
Tilt/telescoping steering wheel, power $350$350  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0    
Ceramic brake rotors    $4000
Full-size spare tire$225    
Knee airbag, driver$75$75$75  
Knee airbag, passenger$75$75$75  
Side curtain airbags $350$350  
Torque vectoring, brake-based  $100 $100
Cargo Management 
Rear seat pass-through$100    
Ski sack$50    
Storage compartment under front seat(s)$50    
Climate Control 
Automatic air recirculation$100$100$100  
Dual-zone climate control$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 
Body kit$0    
Bodyside moldings$75    
Larger rear spoiler   $200$200
Rear spoiler$200    
Retractable rear spoiler $400$400  
Sunroof$900    
Infotainment 
Aux input $50$50$50$50
Bluetooth audio streaming $25$25$25$25
CD changer, in-dash    $325
CD player $125$125$125 
DVD-Audio-compatible player $0$0$0$0
iPod integration$100    
Media drive $15$15$15$15
Off-road navigation system $0$0$0$0
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    
Fog lights$125  $125$125
Performance meter    $150
Power-folding mirrors$50$50$50  
Turn signals on or near mirrors$25    
Seats and Interior Trim 
Center armrest(s), second row$50    
Cooled or ventilated front seats $300$300  
Folding second row seats w/o opening to trunk $75$75$75$75
Heated second row seats$200    
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
Power height adjuster, driver seat $100$100$100$100
Power recliner, driver seat $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
Upholstered instrument panel, leather   $1000$1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500$500$500
Electronic systems calibration selector    $200
Hydraulically cross-linked dampers$500    
Ultra-sport suspension (upgrade)$0    
Transmission 
Launch control    $100
Steering-wheel-mounted transmission controls    $100
Total Value of Features$5,425$4,520$4,920$5,395$12,295
Value of Feature Adjustments$905$0$400$875$7,775
Value of Feature Adjustments-8440-3-5-42

Return to top

Specifications Comparison: Audi A4 / S4 / RS4 vs. Porsche 911

Model Year20082013
ModelA4 / S4 / RS4911
Body2dr Convertible2dr Convertible
Wheelbase104.3 in96.5 in
Length180.0 in176.8 in
Width70.0 in71.2 in
Height54.8 in51.3 in
Curb Weight3,859 lb.3,198 lb.
Fuel Capacity16.6 gal.16.9 gal.
Row 1 Headroom38.0 in0.0 in
Row 1 Shoulder Room53.0 in0.0 in
Row 1 Legroom41.3 in0.0 in
Row 2 Headroom36.3 in0.0 in
Row 2 Shoulder Room45.1 in0.0 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume8.9 ft34.8 ft3

Return to top

Option Package Details
Porsche 911 Carrera

Satellite radio
FeatureValueRequested?
Satellite radio200Yes
Traffic information25No
Total Requested20089%
Total Not Requested2511%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Tilt/telescoping steering wheel, power100No
Front sport buckets100Yes
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power thigh bolsters, driver seat100No
Power tilt adjuster, driver seat100No
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
Power fore-aft adjuster, driver seat100No
Total Requested80047%
Total Not Requested90053%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Steering-linked headlights150Yes
Heated front seats200Yes
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Tilt/telescoping steering wheel, power100No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Power tilt adjuster, driver seat100No
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
Power fore-aft adjuster, driver seat100No
Total Requested150059%
Total Not Requested105041%

Option Package Details
Porsche 911 Carrera S

Satellite radio
FeatureValueRequested?
Satellite radio200Yes
Traffic information25No
Total Requested20089%
Total Not Requested2511%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Tilt/telescoping steering wheel, power100No
Front sport buckets100Yes
Power seatback bolsters, driver100No
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100No
Power thigh bolsters, driver seat100No
Power tilt adjuster, driver seat100No
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
Power fore-aft adjuster, driver seat100No
Total Requested80047%
Total Not Requested90053%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300No
Proximity key250No
Interior ambient lighting150Yes
Steering-linked headlights150Yes
Heated front seats200Yes
Power thigh support adjuster, driver seat100No
Power thigh support adjuster, passenger seat100No
Tilt/telescoping steering wheel, power100No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Power tilt adjuster, driver seat100No
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
Power fore-aft adjuster, driver seat100No
Total Requested150059%
Total Not Requested105041%

Option Package Details
Porsche 911 Turbo

Satellite radio
FeatureValueRequested?
Satellite radio200Yes
Traffic information25No
Total Requested20089%
Total Not Requested2511%

Option Package Details
Porsche 911 Turbo S

Satellite radio
FeatureValueRequested?
Satellite radio200Yes
Traffic information25No
Total Requested20089%
Total Not Requested2511%

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 Sedans, Wagons, and Convertibles.
See TrueDelta's information for all Audi models.