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

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: $54,520

Audi A4 / S4 S4 3.0T   
Difference: $30,775

Lowest Total Invoice: $5,579

Porsche 911 GT2   
Difference: $45,190

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820082008200820082013
Model911911911911911911A4 / S4
TrimCarreraCarrera STargaTarga STurboGT2S4 3.0T
Body2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe4dr Sedan
Base Price $73,500 $83,800 $87,000 $97,300 $126,200 $191,700 $47,600
Base Invoice $64,174 $73,192 $76,038 $85,011 $110,313 $0 $44,268
Power front seats 1,550 1,550 1,550 1,550      
Auto-dimming rearview mirror 385 385 385 385   690  
Metallic paint (extra cost) 690 690 690 690     475
Floor mats 140 140 140 140 140 140  
Audio controls on steering wheel 990 990 990 990      
Heated front seats 500 500 500 500 500 500  
Navigation system 2,110 2,110 2,110 2,110   2,110  
Obstacle detection, rear 530 530 530 530 530 530  
Xenon HID headlights 1,090   1,090        
Bluetooth cell phone link 960 960 960 960 960 960  
Adaptive dampers - electrical 1,990   1,990       1,250
Wood/leather-wrapped steering wheel         620    
Adaptive Sports Seats           0  
Carbon fiber / leather-wrapped steering wheel           620  
Navigation Package             3,050
Active rear differential             1,250
Power front seats 1,318 1,318 1,318 1,318      
Auto-dimming rearview mirror 327 327 327 327   587  
Metallic paint (extra cost) 587 587 587 587     443
Floor mats 119 119 119 119 119 119  
Audio controls on steering wheel 842 842 842 842      
Heated front seats 425 425 425 425 425 425  
Navigation system 1,794 1,794 1,794 1,794   1,794  
Obstacle detection, rear 451 451 451 451 451 451  
Xenon HID headlights 927   927        
Bluetooth cell phone link 816 816 816 816 816 816  
Adaptive dampers - electrical 1,692   1,692       1,163
Wood/leather-wrapped steering wheel         527    
Adaptive Sports Seats           0  
Carbon fiber / leather-wrapped steering wheel           527  
Navigation Package             2,837
Active rear differential             1,163
Options (change) 10,935 7,855 10,935 7,855 2,750 5,550 6,025
Options (change) 9,298 6,679 9,298 6,679 2,338 4,719 5,606
Destination 860 860 860 860 860 860 895
Total Price $85,295 $92,515 $98,795 $106,015 $129,810 $198,110 $54,520
Total Invoice $74,332 $80,731 $86,196 $92,550 $113,511 $5,579 $50,769

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 S4 3.0T
Lowest Adjusted Invoice: Porsche 911 GT2
TrueDelta Adjusted Price Difference: $34,860
TrueDelta Adjusted Invoice Difference: $41,551
Model Year2008200820082008200820082013
Model911911911911911911A4 / S4
TrimCarreraCarrera STargaTarga STurboGT2S4 3.0T
Body2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe4dr Sedan
Engine325hp H6355hp H6325hp H6355hp H6480hp H6530hp H6333hp V6
TransmissionM6M6M6M6M6M6M6
DrivetrainRWDRWDAWDAWDAWDRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)235, 9235, 9235, 9235, 9325, 1350, 4180, 10
Tire (rear if not all the same)235/40-18235/35-19235/40-18235/35-19235/35-19235/35-19245/40-18
Total Price$85,295$92,515$98,795$106,015$129,810$198,110$54,520
Adjustments for Features0-125-2,000-2,125-3,250-5,875-4,085
Feature-Adjusted Total Price$85,295$92,390$96,795$103,890$126,560$192,235$50,435
Cost Above Minimum$0$7,095$11,500$18,595$41,265$106,940$0
Total Invoice$74,332$80,731$86,196$92,550$113,511$5,579$50,769
Adjustments for Features0-109-1,745-1,855-2,842-165-3,804
Feature-Adjusted Total Invoice$74,332$80,622$84,451$90,695$110,669$5,414$46,965
Cost Above Minimum$68,918$75,208$79,037$85,281$105,255$0$0

Return to top

Features Comparison: Porsche 911 vs. Audi A4 / S4

Model Year2008200820082008200820082013
Model911911911911911911A4 / S4
TrimCarreraCarrera STargaTarga STurboGT2S4 3.0T
Body2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150$150$150$150$150$150
RWD$0$0   $0 
AWD  $1700$1700$1700 $1700
Accessories 
Power rear side windows      $200
Remote window/roof operation$15$15$15$15$15$15 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats      $0
Ceramic brake rotors     $4000 
Rearview camera      $200
Side curtain airbags      $350
Temporary spare tire      $150
Cargo Management 
Air-conditioned storage compartment      $50
Climate Control 
Automatic air recirculation      $100
Dual-zone climate control     $125$125
Rear air vents with automatic controls      $250
Water-repellent front-door glass$15$15$15$15$15$15 
Drivetrain 
Active rear differential      $500
Limited-slip rear differential    $300$300 
Engine / Motor 
Rear-engine configuration$0$0$0$0$0$0 
Exterior 
Body kit     $0 
Front splitter spoiler     $200 
Larger rear spoiler    $200  
Panoramic sunroof  $1200$1200   
Retractable rear spoiler$400$400$400$400   
Sunroof$900$900  $900$900$900
Tall rear wing-type spoiler     $500 
Infotainment 
Aux input      $50
Bluetooth audio streaming      $25
DVD-Audio-compatible player    $0  
DVD-compatible player      $0
HD radio      $50
In-vehicle Internet      $150
iPod integration      $100
Media drive      $15
Off-road navigation system$0$0$0$0$0$0 
Satellite radio      $200
SD Card slot      $25
Surround sound    $250  
Traffic + travel information      $25
Voice control for nav and audio      $100
Wi-Fi hotspot      $50
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror      $75
Boost gauge    $75$75 
Compass      $0
Fog light, rear      $100
Fog lights $125 $125$125$125$125
Headlight washers$50$50$50$50$50$50 
Turn signals on or near mirrors      $25
Seats and Interior Trim 
Aluminum trim      $100
Carbon fiber / leather-wrapped steering wheel     $150 
Center armrest(s), second row      $50
Folding second row seats$300$300$300$300$300 $300
Leather-wrapped steering wheel$150$150$150$150  $150
Manual thigh support length adjuster, driver seat      $50
Manual thigh support length adjuster, passenger seat      $50
Metal pedals$75$75$75$75$75$75 
No leather in second row     $-300 
Power seatback bolsters, driver seat     $100 
Power seatback bolsters, passenger seat     $100 
Power thigh bolsters, driver seat     $100 
Power thigh bolsters, passenger seat     $100 
Synthetic suede headliner$650$650$650$650$650$650 
Synthetic suede inserts in leather seating surfaces     $0$0
Synthetic suede steering wheel     $150 
Upholstered instrument panel, leather    $1000$1000 
Wood/leather-wrapped steering wheel    $150  
Suspension, Wheels, and Tires 
Electronic systems calibration selector      $200
Sport suspension (upgrade)     $0$0
Transmission 
Steering-wheel-mounted transmission controls      $100
Total Value of Features$2,705$2,830$4,705$4,830$5,955$8,580$6,790
Value of Feature Adjustments$0$125$2,000$2,125$3,250$5,875$4,085
Value of Feature Adjustments0-109-1,745-1,855-2,842-165-3,804

Return to top

Specifications Comparison: Porsche 911 vs. Audi A4 / S4

Model Year20082013
Model911A4 / S4
Body2dr Coupe4dr Sedan
Wheelbase92.5 in110.6 in
Length175.6 in185.1 in
Width71.2 in71.9 in
Height51.6 in56.2 in
Curb Weight3,076 lb.3,510 lb.
Fuel Capacity17.0 gal.16.9 gal.
Row 1 Headroom38.0 in40.0 in
Row 1 Shoulder Room51.7 in55.5 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.3 in
Row 2 Headroom31.5 in37.5 in
Row 2 Shoulder Room0.0 in54.3 in
Row 2 Legroom0.0 in35.2 in
Cargo Volume4.8 ft312.4 ft3

Return to top

Option Package Details
Porsche 911 Carrera

Power front seats
FeatureValueRequested?
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 Requested1000100%
Total Not Requested00%

Option Package Details
Porsche 911 Carrera S

Power front seats
FeatureValueRequested?
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 Requested1000100%
Total Not Requested00%

Option Package Details
Porsche 911 Targa

Power front seats
FeatureValueRequested?
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 Requested1000100%
Total Not Requested00%

Option Package Details
Porsche 911 Targa S

Power front seats
FeatureValueRequested?
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 Requested1000100%
Total Not Requested00%

Option Package Details
Porsche 911 GT2

Adaptive Sports Seats
FeatureValueRequested?
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 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 Requested100071%
Total Not Requested40029%

Option Package Details
Audi A4 / S4 S4 3.0T

Active rear differential
FeatureValueRequested?
Active rear differential500No
Electronic systems calibration selector200No
Total Requested00%
Total Not Requested700100%
Navigation Package
FeatureValueRequested?
Navigation system600Yes
Obstacle detection, rear250Yes
Rearview camera200No
DVD-compatible player0No
Voice control for nav and audio100No
HD radio50No
Media drive, large15No
Traffic + travel information25No
In-vehicle Internet150No
Bluetooth audio streaming25No
Wi-Fi hotspot50No
Total Requested85058%
Total Not Requested61542%

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.