Audi A8 / S8 Audi A8 / S8 2015 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: $94,055

Porsche 911 Carrera   
Difference: $21,770

Lowest Total Invoice: $81,778

Porsche 911 Carrera   
Difference: $26,005

Calculate Payments

  Down Payment Interest Rate Term
Model Year201520082008200820082008
ModelA8 / S8911911911911911
TrimS8CarreraCarrera STargaTarga STurbo
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Base Price $114,900 $73,500 $83,800 $87,000 $97,300 $126,200
Base Invoice $106,858 $64,174 $73,192 $76,038 $85,011 $110,313
Wood trim 0 890 890 890 890 890
Sport Chrono Package Plus   960 960 960 960  
Adaptive Sports Seats   3,055 3,055 3,055 3,055 1,145
Auto-dimming rearview mirror   385 385 385 385  
Xenon HID headlights   1,090   1,090    
Metallic paint (extra cost)   690 690 690 690  
Floor mats   140 140 140 140 140
Bluetooth cell phone link   960 960 960 960 960
Adaptive dampers - electrical   1,990   1,990    
Navigation system   2,110 2,110 2,110 2,110  
Heated front seats   500 500 500 500 500
Obstacle detection, rear   530 530 530 530 530
Audio controls on steering wheel   990 990 990 990  
Dual-mode exhaust, switchable   2,400 2,400 2,400 2,400  
Upholstered instrument panel, leather   3,005 3,005 3,005 3,005  
Wood/leather-wrapped steering wheel           620
Wood trim 0 757 757 757 757 757
Sport Chrono Package Plus   816 816 816 816  
Adaptive Sports Seats   2,597 2,597 2,597 2,597 973
Auto-dimming rearview mirror   327 327 327 327  
Xenon HID headlights   927   927    
Metallic paint (extra cost)   587 587 587 587  
Floor mats   119 119 119 119 119
Bluetooth cell phone link   816 816 816 816 816
Adaptive dampers - electrical   1,692   1,692    
Navigation system   1,794 1,794 1,794 1,794  
Heated front seats   425 425 425 425 425
Obstacle detection, rear   451 451 451 451 451
Audio controls on steering wheel   842 842 842 842  
Dual-mode exhaust, switchable   2,040 2,040 2,040 2,040  
Upholstered instrument panel, leather   2,554 2,554 2,554 2,554  
Wood/leather-wrapped steering wheel           527
Options (change) 0 19,695 16,615 19,695 16,615 4,785
Options (change) 0 16,744 14,125 16,744 14,125 4,068
Destination 925 860 860 860 860 860
Total Price $115,825 $94,055 $101,275 $107,555 $114,775 $131,845
Total Invoice $107,783 $81,778 $88,177 $93,642 $99,996 $115,241

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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 and Invoice: Porsche 911 Carrera
TrueDelta Adjusted Price Difference: $9,705
TrueDelta Adjusted Invoice Difference: $14,778
Model Year201520082008200820082008
ModelA8 / S8911911911911911
TrimS8CarreraCarrera STargaTarga STurbo
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Engine520hp V8325hp H6355hp H6325hp H6355hp H6480hp H6
TransmissionT8M6M6M6M6M6
DrivetrainAWDRWDRWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14235, 9235, 9235, 9235, 9325, 13
Tire (rear if not all the same)265/35-21235/40-18235/35-19235/40-18235/35-19235/35-19
Total Price$115,825$94,055$101,275$107,555$114,775$131,845
Adjustments for Features-12,0650-125-2,000-2,125-1,450
Feature-Adjusted Total Price$103,760$94,055$101,150$105,555$112,650$130,395
Cost Above Minimum$0$0$7,095$11,500$18,595$36,340
Total Invoice$107,783$81,778$88,177$93,642$99,996$115,241
Adjustments for Features-11,2270-109-1,741-1,851-1,267
Feature-Adjusted Total Invoice$96,556$81,778$88,068$91,901$98,145$113,974
Cost Above Minimum$0$0$6,290$10,123$16,367$32,196

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Features Comparison: Audi A8 / S8 vs. Porsche 911

Model Year201520082008200820082008
ModelA8 / S8911911911911911
TrimS8CarreraCarrera STargaTarga STurbo
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300     
6-speed manual $150$150$150$150$150
AWD$1700  $1700$1700$1700
RWD $0$0   
Accessories 
Active noise reduction$0     
Hands-free trunk or liftgate$100     
Power door closers$300     
Power rear side windows$200     
Power trunk closer$350     
Proximity key$250     
Sunshade, rear, power$225     
Sunshades, second row, power$225     
Tilt/telescoping steering wheel, manual $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     
Around view cameras$500     
Blind spot warning system$200     
Brake- or yaw-sensor-initiated collision preparation system$0     
Collision preparation system, rear$100     
Full-size spare tire$225     
Knee airbag, driver$75     
Knee airbag, passenger$75     
Obstacle detection, front$150     
Rear side airbags$300     
Rollover sensor$50     
Side curtain airbags$350     
Wide-view front camera$150     
Wide-view rear camera$0     
Cargo Management 
Air-conditioned storage compartment$50     
Cargo net$40     
Climate Control 
Automatic air recirculation$100     
Dual-zone climate control$125     
Rear air vents with automatic controls$250     
Rear dual-zone climate control$125     
Residual heat$50     
Water-repellent front-door glass $15$15$15$15$15
Drivetrain 
Limited-slip rear differential     $300
Engine / Motor 
Dual-mode exhaust, switchable$500$500$500$500$500 
Rear-engine configuration $0$0$0$0$0
Exterior 
Body kit$0     
Laminated front side windows$200     
Laminated rear side windows$100     
Larger rear spoiler     $200
Panoramic sunroof   $1200$1200 
Retractable rear spoiler $400$400$400$400 
Sunroof$900$900$900  $900
Infotainment 
Aux input$50     
Bluetooth audio streaming$25     
DVD-Audio-compatible player     $0
DVD-compatible player$0     
Handwriting recognition$200     
HD radio$50     
Media drive$15     
Off-road navigation system $0$0$0$0$0
Satellite radio$200     
SD Card slot$25     
Surround sound$250    $250
Traffic + travel information$25     
USB port$25     
Voice control for nav and audio$100     
Instruments, Lights, and Mirrors 
Analog clock$25     
Auto-dimming headlights$200     
Auto-dimming passenger-side mirror$75     
Boost gauge     $75
Chronometer $100$100$100$100 
Compass$0     
Cornering lights$50     
Fog light, rear$100     
Fog lights  $125 $125$125
Head-up display (HUD)$350     
Interior ambient lighting $150$150$150$150$150
Interior ambient lighting, configurable$150     
LED headlights$1000     
Mirror tilt-down in reverse$25     
Power-folding mirrors$50     
Steering-linked headlights$150     
Turn signals on or near mirrors$25     
Xenon HID headlights $500$500$500$500$500
Seats and Interior Trim 
Center armrest(s), second row$50     
Cooled or ventilated front seats$300     
Folding second row seats $300$300$300$300$300
Leather-wrapped steering wheel$150$150$150$150$150 
Massage, driver seat$100     
Massage, passenger seat$100     
Memory system, passenger seat$150     
Metal pedals $75$75$75$75$75
Power headrest height adjuster, driver seat$50     
Power headrest height adjuster, passenger seat$50     
Power seat belt height adjusters, front row$25     
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     
Upholstered instrument panel$300     
Upholstered instrument panel, leather $1000$1000$1000$1000$1000
Wood/leather-wrapped steering wheel     $150
Suspension, Wheels, and Tires 
Active steering$1000     
Air suspension, auto-leveling and height adjustable$1000     
Electronic systems calibration selector$200$200$200$200$200 
Transmission 
Steering-wheel-mounted transmission controls$100     
Total Value of Features$16,755$4,690$4,815$6,690$6,815$6,140
Value of Feature Adjustments$12,065$0$125$2,000$2,125$1,450
Value of Feature Adjustments-11,2270-109-1,741-1,851-1,267

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Specifications Comparison: Audi A8 / S8 vs. Porsche 911

Model Year20152008
ModelA8 / S8911
Body4dr Sedan2dr Coupe
Wheelbase117.8 in92.5 in
Length202.2 in175.6 in
Width76.7 in71.2 in
Height57.5 in51.6 in
Curb Weight4,366 lb.3,076 lb.
Fuel Capacity21.7 gal.17.0 gal.
Row 1 Headroom37.2 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 Headroom38.1 in31.5 in
Row 2 Shoulder Room57.8 in0.0 in
Row 2 Legroom38.7 in0.0 in
Cargo Volume14.2 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, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
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 Requested1500100%
Total Not Requested00%

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, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
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 Requested1500100%
Total Not Requested00%

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, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
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 Requested1500100%
Total Not Requested00%

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, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Sport Chrono Package Plus
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
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 Requested1500100%
Total Not Requested00%

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%
Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Total Requested500100%
Total Not Requested00%

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