Audi A8 / S8 Audi A8 / S8 2009 Porsche 911 Porsche 911 2008

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Audi A8 / S8 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 A8 / S8 vs. Porsche 911 Invoice Comparison

Lowest Total Price: $91,345

Porsche 911 Carrera   
Difference: $13,180

Lowest Total Invoice: $6,336

Porsche 911 GT2   
Difference: $91,078

Calculate Payments

  Down Payment Interest Rate Term
Model Year2009200820082008200820082008
ModelA8 / S8911911911911911911
TrimS8CarreraCarrera STargaTarga STurboGT2
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Base Price $96,200 $73,500 $83,800 $87,000 $97,300 $126,200 $191,700
Base Invoice $89,465 $64,174 $73,192 $76,038 $85,011 $110,313 $0
Carbon fiber trim 500 890 890 890 890 890 890
Upholstered instrument panel, leather 4,900 3,005 3,005 3,005 3,005    
Adaptive Sports Seats   3,055 3,055 3,055 3,055   0
Auto-dimming rearview mirror   385 385 385 385   690
Xenon HID headlights   1,090   1,090      
Metallic paint (extra cost)   690 690 690 690    
Floor mats   140 140 140 140 140 140
Bluetooth cell phone link   960 960 960 960 960 960
Adaptive dampers - electrical   1,990   1,990      
Navigation system   2,110 2,110 2,110 2,110   2,110
Heated front seats   500 500 500 500 500 500
Obstacle detection, rear   530 530 530 530 530 530
CD changer, remote   650 650 650 650 650  
Audio controls on steering wheel   990 990 990 990    
Wood/leather-wrapped steering wheel           620  
Carbon fiber / leather-wrapped steering wheel             620
Carbon fiber trim 466 757 757 757 757 757 757
Upholstered instrument panel, leather 4,558 2,554 2,554 2,554 2,554    
Adaptive Sports Seats   2,597 2,597 2,597 2,597   0
Auto-dimming rearview mirror   327 327 327 327   587
Xenon HID headlights   927   927      
Metallic paint (extra cost)   587 587 587 587    
Floor mats   119 119 119 119 119 119
Bluetooth cell phone link   816 816 816 816 816 816
Adaptive dampers - electrical   1,692   1,692      
Navigation system   1,794 1,794 1,794 1,794   1,794
Heated front seats   425 425 425 425 425 425
Obstacle detection, rear   451 451 451 451 451 451
CD changer, remote   553 553 553 553 553  
Audio controls on steering wheel   842 842 842 842    
Wood/leather-wrapped steering wheel           527  
Carbon fiber / leather-wrapped steering wheel             527
Options (change) 5,400 16,985 13,905 16,985 13,905 4,290 6,440
Options (change) 5,024 14,441 11,822 14,441 11,822 3,648 5,476
Destination 825 860 860 860 860 860 860
Gas Tax 2,100 0 0 0 0 0 0
Total Price $104,525 $91,345 $98,565 $104,845 $112,065 $131,350 $199,000
Total Invoice $97,414 $79,475 $85,874 $91,339 $97,693 $114,821 $6,336

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

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TrueDelta Value Comparison: Audi A8 / S8 vs. Porsche 911

Lowest Adjusted Price: Porsche 911 Carrera
Lowest Adjusted Invoice: Porsche 911 GT2
TrueDelta Adjusted Price Difference: $5,570
TrueDelta Adjusted Invoice Difference: $84,122
Model Year2009200820082008200820082008
ModelA8 / S8911911911911911911
TrimS8CarreraCarrera STargaTarga STurboGT2
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Engine450hp V10325hp H6355hp H6325hp H6355hp H6480hp H6530hp H6
TransmissionT6M6M6M6M6M6M6
DrivetrainAWDRWDRWDAWDAWDAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)200, 12235, 9235, 9235, 9235, 9325, 1350, 4
Tire (rear if not all the same)265/35-20235/40-18235/35-19235/40-18235/35-19235/35-19235/35-19
Total Price$104,525$91,345$98,565$104,845$112,065$131,350$199,000
Adjustments for Features-7,6100-125-2,000-2,125-1,850-4,275
Feature-Adjusted Total Price$96,915$91,345$98,440$102,845$109,940$129,500$194,725
Cost Above Minimum$0$0$7,095$11,500$18,595$38,155$103,380
Total Invoice$97,414$79,475$85,874$91,339$97,693$114,821$6,336
Adjustments for Features-7,0920-109-1,742-1,852-1,617-136
Feature-Adjusted Total Invoice$90,322$79,475$85,765$89,597$95,841$113,204$6,200
Cost Above Minimum$0$73,275$79,565$83,397$89,641$107,004$0

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Features Comparison: Audi A8 / S8 vs. Porsche 911

Model Year2009200820082008200820082008
ModelA8 / S8911911911911911911
TrimS8CarreraCarrera STargaTarga STurboGT2
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100      
6-speed manual $150$150$150$150$150$150
AWD$1700  $1700$1700$1700 
RWD $0$0   $0
Accessories 
Power door closers$300      
Power rear side windows$200      
Power trunk closer$350      
Proximity key$250      
Sunshade, rear, power$225      
Sunshades, second row$125      
Tilt/telescoping steering wheel, manual $250$250$250$250$250$250
Tilt/telescoping steering wheel, power$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      
Knee airbag, passenger$75      
Obstacle detection, front$150      
Rear side airbags$300      
Rearview camera$200      
Side curtain airbags$350      
Climate Control 
Automatic air recirculation$100      
Dual-zone climate control$125     $125
Rear air vents$100      
Residual heat$50      
Water-repellent front-door glass $15$15$15$15$15$15
Drivetrain 
Limited-slip rear differential     $300$300
Engine / Motor 
Rear-engine configuration $0$0$0$0$0$0
Exterior 
Body kit      $0
Bodyside moldings$75      
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 
CD changer, remote$200$200$200$200$200$200 
CD player $125$125$125$125$125$125
DVD-Audio-compatible player     $0 
iPod integration$100      
MP3-compatible player $50$50$50$50$50$50
Off-road navigation system $0$0$0$0$0$0
Satellite radio$200      
Surround sound$250    $250 
Voice control for nav and audio$100      
Instruments, Lights, and Mirrors 
Auto-dimming passenger-side mirror$75      
Boost gauge     $75$75
Cornering lights$50      
Fog light, rear$100      
Fog lights$125 $125 $125$125$125
Mirror tilt-down in reverse$25      
Power-folding mirrors$50      
Steering-linked headlights$150      
Turn signals on or near mirrors$25      
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel      $150
Center armrest(s), second row$50      
Folding second row seats $300$300$300$300$300 
Leather-wrapped steering wheel$150$150$150$150$150  
Memory system, passenger seat$150      
Metal pedals $75$75$75$75$75$75
No leather in second row      $-300
Power headrest height adjuster, driver seat$50      
Power headrest height adjuster, passenger seat$50      
Power seatback bolsters, driver seat $100$100$100$100 $100
Power seatback bolsters, passenger seat $100$100$100$100 $100
Power thigh bolsters, driver seat $100$100$100$100 $100
Power thigh bolsters, passenger seat $100$100$100$100 $100
Power thigh support length adjuster, driver seat$100      
Power thigh support length adjuster, passenger seat$100      
Power upper seatback recliner, driver seat$100      
Power upper seatback recliner, passenger seat$100      
Synthetic suede inserts in leather seating surfaces      $0
Synthetic suede steering wheel      $150
Wood/leather-wrapped steering wheel     $150 
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000      
Sport suspension (upgrade)$0     $0
Total Value of Features$10,625$3,015$3,140$5,015$5,140$4,865$7,290
Value of Feature Adjustments$7,610$0$125$2,000$2,125$1,850$4,275
Value of Feature Adjustments-7,0920-109-1,742-1,852-1,617-136

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Specifications Comparison: Audi A8 / S8 vs. Porsche 911

Model Year20092008
ModelA8 / S8911
Body4dr Sedan2dr Coupe
Wheelbase115.9 in92.5 in
Length199.3 in175.6 in
Width74.6 in71.2 in
Height56.9 in51.6 in
Curb Weight4,289 lb.3,076 lb.
Fuel Capacity23.8 gal.17.0 gal.
Row 1 Headroom37.3 in38.0 in
Row 1 Shoulder Room59.1 in51.7 in
Row 1 Hip Room0.0 in53.4 in
Row 1 Legroom41.4 in41.6 in
Row 2 Headroom38.0 in31.5 in
Row 2 Shoulder Room57.5 in0.0 in
Row 2 Legroom37.6 in0.0 in
Cargo Volume14.6 ft34.8 ft3

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Option Package Details
Porsche 911 Carrera

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
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
Total Requested225100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
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 Targa

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
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 Targa S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Leather upholstery, extended coverage0No
Total Requested1000100%
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 Turbo

Wood/leather-wrapped steering wheel
FeatureValueRequested?
Wood/leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%

Option Package Details
Porsche 911 GT2

Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel150No
Audio controls on steering wheel125Yes
Total Requested12545%
Total Not Requested15055%
Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Auto-dimming driver-side mirror75Yes
Total Requested225100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
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
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%

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