Audi A8 / S8 Audi A8 / S8 2018 Porsche 911 Porsche 911 2017

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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: $128,855

Porsche 911 Carrera   
Difference: $7,320

Lowest Total Invoice: $114,159

Porsche 911 Carrera   
Difference: $12,554

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820172017201720172017
ModelA8 / S8911911911911911
TrimS8 PlusCarreraCarrera SCarrera GTSTurboTurbo S
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Base Price $115,900 $89,400 $103,400 $119,000 $159,200 $188,100
Base Invoice $107,788 $80,460 $93,060 $107,100 $143,280 $169,290
Executive Plus Package 2,800          
Dynamic Package 9,000          
Black Optic Plus Exterior Package 7,500          
Adaptive cruise control, all-speed   2,490 2,490 2,490 2,490 2,490
Heated steering wheel   470 470   0 0
Premium Package Plus   3,970 3,970 4,570    
Adaptive sport seats plus   3,825 3,825   1,145  
Upholstered instrument panel, leather   3,490 3,490 3,850    
Ceramic brake rotors   8,520 8,520 8,520 9,210  
245/35ZR20   1,580        
Larger rear spoiler   4,500 4,500 1,500    
Dual-mode exhaust, switchable   2,950 2,950      
Sunroof   1,990 1,990 1,990   1,990
Carbon fiber trim   1,990 1,990 960 1,990  
Body kit   750 750 750 750 750
Power-folding mirrors   320 320 0 320 0
Blind spot warning system   850 850 850 850 850
Metallic paint (extra cost)   710 710 710    
Carbon fiber / leather-wrapped steering wheel       470    
LED headlights       2,765    
Cooled or ventilated front seats       615 840 840
Interior ambient lighting         510 510
Proximity key         1,090 1,090
Auto-dimming headlights         500  
Wood trim           0
Executive Plus Package 2,604          
Dynamic Package 8,370          
Black Optic Plus Exterior Package 6,976          
Adaptive cruise control, all-speed   2,117 2,117 2,117 2,117 2,117
Heated steering wheel   400 400   0 0
Premium Package Plus   3,375 3,375 3,884    
Adaptive sport seats plus   3,251 3,251   973  
Upholstered instrument panel, leather   2,967 2,967 3,273    
Ceramic brake rotors   7,242 7,242 7,242 7,829  
245/35ZR20   1,343        
Larger rear spoiler   3,825 3,825 1,275    
Dual-mode exhaust, switchable   2,508 2,508      
Sunroof   1,692 1,692 1,692   1,692
Carbon fiber trim   1,692 1,692 816 1,692  
Body kit   638 638 638 638 638
Power-folding mirrors   272 272 0 272 0
Blind spot warning system   723 723 723 723 723
Metallic paint (extra cost)   604 604 604    
Carbon fiber / leather-wrapped steering wheel       400    
LED headlights       2,350    
Cooled or ventilated front seats       523 714 714
Interior ambient lighting         434 434
Proximity key         927 927
Auto-dimming headlights         425  
Wood trim           0
Options (change) 19,300 38,405 36,825 30,040 19,695 8,520
Options (change) 17,950 32,649 31,306 25,537 16,744 7,245
Destination 975 1,050 1,050 1,050 1,050 1,050
Total Price $136,175 $128,855 $141,275 $150,090 $179,945 $197,670
Total Invoice $126,713 $114,159 $125,416 $133,687 $161,074 $177,585

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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: Audi A8 / S8 S8 Plus
Lowest Adjusted Invoice: Porsche 911 Carrera
TrueDelta Adjusted Price Difference: $1,255
TrueDelta Adjusted Invoice Difference: $4,575
Model Year201820172017201720172017
ModelA8 / S8911911911911911
TrimS8 PlusCarreraCarrera SCarrera GTSTurboTurbo S
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Engine605hp V8370hp H6420hp H6450hp H6540hp H6580hp H6
TransmissionT8M7M7M7S7S7
DrivetrainAWDRWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14?, 8?, 8?, 8555, 12555, 12
Tire (rear if not all the same)275/35-21245/35-20245/35-20245/35-20245/35-20245/35-20
Total Price$136,175$128,855$141,275$150,090$179,945$197,670
Adjustments for Features-8,5750-400-1,700-5,700-6,300
Feature-Adjusted Total Price$127,600$128,855$140,875$148,390$174,245$191,370
Cost Above Minimum$0$0$12,020$19,535$45,390$62,515
Total Invoice$126,713$114,159$125,416$133,687$161,074$177,585
Adjustments for Features-7,9790-355-1,514-5,102-5,660
Feature-Adjusted Total Invoice$118,734$114,159$125,061$132,173$155,972$171,925
Cost Above Minimum$0$0$10,902$18,014$41,813$57,766

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Features Comparison: Audi A8 / S8 vs. Porsche 911

Model Year201820172017201720172017
ModelA8 / S8911911911911911
TrimS8 PlusCarreraCarrera SCarrera GTSTurboTurbo S
Body4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300     
7-speed manual $300$300$300  
7-speed automated manual    $1200$1200
AWD$1700   $1700$1700
RWD $0$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     
Remote app $25$25$25$25$25
Sunshade, rear, power$225     
Sunshades, second row, power$225     
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0     
Around view cameras$500     
Automatic braking, high-speed or partial $200$200$200$200$200
Automatic braking, low-speed$200     
Collision preparation system, rear$100     
Full-size spare tire$225     
Lane departure prevention, steering-based$200     
Lane departure warning$200     
Rear side airbags$300     
Rearview camera $200$200$200$200$200
Rollover sensor$50     
Secondary collision brake assist $25$25$25$25$25
Torque vectoring, brake-based  $100$100$100$100
Wide-view front camera$150     
Wide-view rear camera$0     
Cargo Management 
Air-conditioned storage compartment$50     
Cargo net$40     
Rear seat pass-through$100     
Ski sack$50     
Climate Control 
Rear air vents with automatic controls$250     
Rear dual-zone climate control$125     
Water-repellent front-door glass $15$15$15$15$15
Drivetrain 
Electronically-variable engine mounts (performance-oriented)   $500$500$500
Limited-slip rear differential  $300$300$300$300
Engine / Motor 
Automatic start / stop $150$150$150$150$150
Dual-mode exhaust, switchable$500$500$500$500  
Raised top speed limiter$0     
Rear-engine configuration $0$0$0$0$0
Regenerative braking $0$0$0$0$0
Exterior 
Active front spoiler    $500$500
Active grille shutters $0$0$0$0$0
Active rear spoiler $300$300$300$300$300
Black exterior trim (optional)$0  $0  
Black grille (optional)$0     
Bright-finished exhaust tip(s) $25$25$25$25$25
Carbon fiber exterior trim (other)$100     
Carbon fiber mirror housings$100     
Carbon fiber rear spoiler$300     
Laminated front side windows$200     
Laminated rear side windows$100     
Larger rear spoiler $200$200$200  
Painted brake calipers (optional)  $0$0$0$0
Retractable rear spoiler $400$400$400  
Tall rear wing-type spoiler    $500$500
Infotainment 
4G LTE connectivity $0$0$0$0$0
App support $0$0$0$0$0
Apple CarPlay support $100$100$100$100$100
DVD-Audio-compatible player $0$0$0$0$0
DVD-compatible player$0     
Navigation map updates, three years $0$0$0$0$0
Off-road navigation system $0$0$0$0$0
Surround sound$250   $250$250
Telematics service, such as OnStar $200$200$200$200$200
Traffic + travel information$25     
Traffic information $25$25$25$25$25
Instruments, Lights, and Mirrors 
Analog clock$25     
Boost gauge $75$75$75$75$75
Chronometer   $100$100$100
Compass$0     
Head-up display (HUD)$350     
Interior ambient lighting $150$150$150$150$150
Interior ambient lighting, configurable$150     
Mirror tilt-down in reverse$25     
Performance data recording app   $200  
Performance meter   $150$150$150
Turn signals on or near mirrors$25     
Seats and Interior Trim 
Aluminum trim   $100  
Carbon fiber / leather-wrapped steering wheel   $150  
Carbon fiber trim$200$200$200$200$200 
Center armrest(s), second row$50     
Folding second row seats w/o opening to trunk $75$75$75$75$75
Heated second row seats$200     
Leather door panel trim$250$250$250 $250$250
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 upper seatback recliner, driver seat$100     
Power upper seatback recliner, passenger seat$100     
Synthetic suede door panel trim   $250  
Upholstered instrument panel$300     
Upholstered instrument panel, leather $1000$1000$1000$1000$1000
Wood trim     $300
Suspension, Wheels, and Tires 
Active stabilizer bars     $500
Active steering$1000     
Air suspension, auto-leveling and height adjustable$1000     
Alloy wheels$350$350$350$350 $350
Electronic systems calibration selector$200  $200$200$200
Polished alloy wheels    $350 
Rear wheel steering    $1500$1500
Transmission 
Downshift rev matching   $50  
Steering-wheel-mounted transmission controls$100   $100$100
Total Value of Features$13,565$4,990$5,390$6,690$10,690$11,290
Value of Feature Adjustments$8,575$0$400$1,700$5,700$6,300
Value of Feature Adjustments-7,9790-355-1,514-5,102-5,660

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Specifications Comparison: Audi A8 / S8 vs. Porsche 911

Model Year20182017
ModelA8 / S8911
Body4dr Sedan2dr Coupe
Wheelbase117.8 in96.5 in
Length202.6 in177.1 in
Width76.7 in71.2 in
Height57.4 in50.9 in
Curb Weight4,686 lb.3,154 lb.
Fuel Capacity21.7 gal.16.9 gal.
Row 1 Headroom37.2 in0.0 in
Row 1 Shoulder Room59.1 in0.0 in
Row 1 Legroom41.4 in0.0 in
Row 2 Headroom38.1 in0.0 in
Row 2 Shoulder Room57.8 in0.0 in
Row 2 Legroom38.7 in0.0 in
Cargo Volume,
Minimum
14.2 ft35.1 ft3
Cargo Volume,
Maximum
14.214.3 ft3

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Option Package Details
Audi A8 / S8 S8 Plus

Executive Plus Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100No
Heated steering wheel100Yes
Ski sack50No
Radar- or camera-based collision preparation system0Yes
Lane departure warning200No
Adaptive cruise control, all-speed700Yes
Automatic braking, low-speed200No
Forward collision warning200Yes
Lane departure prevention, steering-based200No
Total Requested100051%
Total Not Requested95049%
Dynamic Package
FeatureValueRequested?
Ceramic brake rotors4000Yes
Raised top speed limiter0No
Total Requested4000100%
Total Not Requested00%
Black Optic Plus Exterior Package
FeatureValueRequested?
Sport exhaust0No
Carbon fiber rear spoiler100No
Carbon fiber exterior trim (other)100No
Carbon fiber mirror housings100No
Black grille (optional)0No
Black exterior trim (optional)0Yes
Total Requested00%
Total Not Requested300100%

Option Package Details
Porsche 911 Carrera

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Total Requested90082%
Total Not Requested20018%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100Yes
Audio controls on steering wheel125Yes
Total Requested225100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
245/35ZR20 tires
FeatureValueRequested?
245/35ZR20 tires200No
305/30ZR20 tires200No
Total Requested00%
Total Not Requested400100%
Larger rear spoiler
FeatureValueRequested?
Larger rear spoiler200Yes
Sport front fascia (optional)0No
Total Requested200100%
Total Not Requested00%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable500Yes
Sport exhaust0No
Total Requested500100%
Total Not Requested00%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Auto-dimming headlights200Yes
Proximity key250Yes
Interior ambient lighting150Yes
LED headlights500Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Cornering lights50Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Total Requested3350100%
Total Not Requested00%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Total Requested1700100%
Total Not Requested00%

Option Package Details
Porsche 911 Carrera S

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Total Requested90082%
Total Not Requested20018%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100Yes
Audio controls on steering wheel125Yes
Total Requested225100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Larger rear spoiler
FeatureValueRequested?
Larger rear spoiler200Yes
Sport front fascia (optional)0No
Total Requested200100%
Total Not Requested00%
Dual-mode exhaust, switchable
FeatureValueRequested?
Dual-mode exhaust, switchable500Yes
Sport exhaust0No
Total Requested500100%
Total Not Requested00%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Auto-dimming headlights200Yes
Proximity key250Yes
Interior ambient lighting150Yes
LED headlights500Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Cornering lights50Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Total Requested3350100%
Total Not Requested00%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Total Requested1700100%
Total Not Requested00%

Option Package Details
Porsche 911 Carrera GTS

Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Total Requested90082%
Total Not Requested20018%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Heated steering wheel100Yes
Total Requested225100%
Total Not Requested00%
LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Premium Package Plus
FeatureValueRequested?
Interior ambient lighting150Yes
Proximity key250Yes
Heated front seats200Yes
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Total Requested2500100%
Total Not Requested00%

Option Package Details
Porsche 911 Turbo

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100Yes
Audio controls on steering wheel125Yes
Total Requested225100%
Total Not Requested00%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Total Requested90082%
Total Not Requested20018%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Total Requested500100%
Total Not Requested00%

Option Package Details
Porsche 911 Turbo S

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100Yes
Audio controls on steering wheel125Yes
Total Requested225100%
Total Not Requested00%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Automatic braking, high-speed or partial200No
Forward collision warning200Yes
Total Requested90082%
Total Not Requested20018%

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