Audi A8 / S8 Audi A8 / S8 2013 Porsche Boxster Porsche Boxster 2008

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Audi A8 / S8 vs. Porsche Boxster 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 Boxster Invoice Comparison

Lowest Total Price: $65,965

Porsche Boxster   
Difference: $9,880

Lowest Total Invoice: $57,197

Porsche Boxster   
Difference: $13,403

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132013201320082008
ModelA8 / S8A8 / S8A8 / S8BoxsterBoxster
TrimA8 3.0TA8 4.0TS8BaseS
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Base Price $72,200 $80,900 $110,000 $45,800 $55,700
Base Invoice $67,146 $75,238 $102,300 $39,923 $43,512
Comfort Package 2,000 2,000      
Leather door panel trim 750 750      
Wood trim     0 890 890
Sport Chrono Package       920 920
Adaptive dampers - electrical       1,990 1,990
Adaptive Sports Seats       3,055 3,055
Auto-dimming rearview mirror       690 690
Xenon HID headlights       1,090 1,090
Metallic paint (extra cost)       690 690
Floor mats       115 115
Heated front seats       480 480
Obstacle detection, rear       530 530
Automatic climate control, front       550 550
Carbon fiber / leather-wrapped steering wheel       1,360 1,360
Dual-mode exhaust, switchable       2,100 2,100
Navigation system       3,110 3,110
Upholstered instrument panel, leather       1,735 1,735
Comfort Package 1,860 1,860      
Leather door panel trim 699 699      
Wood trim     0 757 757
Sport Chrono Package       782 782
Adaptive dampers - electrical       1,692 1,692
Adaptive Sports Seats       2,597 2,597
Auto-dimming rearview mirror       587 587
Xenon HID headlights       927 927
Metallic paint (extra cost)       587 587
Floor mats       98 98
Heated front seats       408 408
Obstacle detection, rear       451 451
Automatic climate control, front       468 468
Carbon fiber / leather-wrapped steering wheel       1,156 1,156
Dual-mode exhaust, switchable       1,785 1,785
Navigation system       2,644 2,644
Upholstered instrument panel, leather       1,475 1,475
Options (change) 2,750 2,750 0 19,305 19,305
Options (change) 2,559 2,559 0 16,414 16,414
Destination 895 895 895 860 860
Total Price $75,845 $84,545 $110,895 $65,965 $75,865
Total Invoice $70,600 $78,692 $103,195 $57,197 $60,786

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

Dealer Price Quotes

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Request free, no-obligation Audi A8 / S8 dealer quotes or Porsche Boxster dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Boxster
TrueDelta Adjusted Price Difference: $5,855
TrueDelta Adjusted Invoice Difference: $9,656
Model Year20132013201320082008
ModelA8 / S8A8 / S8A8 / S8BoxsterBoxster
TrimA8 3.0TA8 4.0TS8BaseS
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Engine333hp V6420hp V8520hp V8245hp H6295hp H6
TransmissionT8T8T8M5M6
DrivetrainAWDAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)630, 14630, 14630, 1450, 4230, 7
Tire (rear if not all the same)255/45-19255/45-19265/35-21205/55-17235/40-18
Total Price$75,845$84,545$110,895$65,965$75,865
Adjustments for Features-4,025-4,025-9,8500-150
Feature-Adjusted Total Price$71,820$80,520$101,045$65,965$75,715
Cost Above Minimum$0$8,700$29,225$0$9,750
Total Invoice$70,600$78,692$103,195$57,197$60,786
Adjustments for Features-3,747-3,746-9,1660-120
Feature-Adjusted Total Invoice$66,853$74,946$94,029$57,197$60,666
Cost Above Minimum$0$8,093$27,176$0$3,469

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Features Comparison: Audi A8 / S8 vs. Porsche Boxster

Model Year20132013201320082008
ModelA8 / S8A8 / S8A8 / S8BoxsterBoxster
TrimA8 3.0TA8 4.0TS8BaseS
Body4dr Sedan4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300$1300  
5-speed manual   $0 
6-speed manual    $150
AWD$1700$1700$1700  
RWD   $0$0
Accessories 
Active noise reduction $0$0  
Power door closers  $300  
Power rear side windows$200$200$200  
Power trunk closer  $350  
Proximity key  $250  
Remote window/roof operation$15$15$15  
Sunshade, rear, power  $225  
Sunshades, second row, power  $225  
Tilt/telescoping steering wheel, manual   $250$250
Tilt/telescoping steering wheel, power$350$350$350  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0$0  
Around view cameras  $500  
Brake assist$50$50$50  
Brake- or yaw-sensor-initiated collision preparation system$0$0$0  
Full-size spare tire$225$225$225  
Knee airbag, driver$75$75$75  
Knee airbag, passenger$75$75$75  
Obstacle detection, front  $150  
Obstacle detection, rear  $250$250$250
Rear side airbags$300$300$300  
Roll bar   $200$200
Rollover sensor$50$50$50  
Side curtain airbags$350$350$350  
Wide-view front camera  $150  
Wide-view rear camera  $0  
Cargo Management 
Air-conditioned storage compartment$50$50$50  
Cargo net   $40$40
Climate Control 
Automatic air recirculation$100$100$100  
Dual-zone climate control$125$125$125  
Rear air vents$100$100   
Rear air vents with automatic controls  $250  
Rear dual-zone climate control  $125  
Residual heat$50$50$50  
Water-repellent front-door glass   $15$15
Engine / Motor 
Dual-mode exhaust, switchable  $500$500$500
Mid-engine configuration   $0$0
Exterior 
Body kit  $0  
Laminated front side windows  $200  
Laminated rear side windows  $100  
Power convertible top   $4000$4000
Retractable rear spoiler   $400$400
Sunroof$900$900$900  
Infotainment 
Aux input$50$50$50  
Bluetooth audio streaming$25$25$25  
Bluetooth cell phone link$100$100$100  
DVD-compatible player$0$0$0  
Handwriting recognition$200$200$200  
HD radio$50$50$50  
In-vehicle Internet$150$150$150  
Media drive$15$15$15  
MP3-compatible player$50$50$50  
Satellite radio$200$200$200  
SD Card slot$25$25$25  
Surround sound$250$250$250  
Traffic + travel information$25$25$25  
USB port$25$25$25  
Voice control for nav and audio$100$100$100  
Wi-Fi hotspot$50$50$50  
Instruments, Lights, and Mirrors 
Analog clock$25$25$25  
Auto-dimming headlights  $200  
Automatic headlights$125$125$125  
Chronometer   $100$100
Cornering lights$50$50$50  
LED headlights  $1000  
Mirror tilt-down in reverse$25$25$25  
Power-folding mirrors$50$50$50  
Steering-linked headlights$150$150$150  
Turn signals on or near mirrors$25$25$25  
Xenon HID headlights$500$500 $500$500
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel   $150$150
Center armrest(s), second row$50$50$50  
Cooled or ventilated front seats$300$300$300  
Leather-wrapped steering wheel$150$150$150  
Massage, driver seat$100$100$100  
Massage, passenger seat$100$100$100  
Memory system, passenger seat$150$150$150  
Metal pedals   $75$75
No leather in second row   $-300$-300
Power 4-way lumbar adjuster, passenger seat$150$150$150  
Power headrest height adjuster, driver seat$50$50$50  
Power headrest height adjuster, passenger seat$50$50$50  
Power seat belt height adjusters, front row$25$25$25  
Power thigh support length adjuster, driver seat$100$100$100  
Power thigh support length adjuster, passenger seat$100$100$100  
Power upper seatback recliner, driver seat$100$100$100  
Power upper seatback recliner, passenger seat$100$100$100  
Synthetic suede headliner  $650  
Upholstered instrument panel$300$300$300  
Upholstered instrument panel, leather   $1000$1000
Suspension, Wheels, and Tires 
Active steering  $1000  
Air suspension, auto-leveling and height adjustable$1000$1000$1000  
Transmission 
Steering-wheel-mounted transmission controls$100$100$100  
Total Value of Features$11,205$11,205$17,030$7,180$7,330
Value of Feature Adjustments$4,025$4,025$9,850$0$150
Value of Feature Adjustments-3,747-3,746-9,1660-120

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Specifications Comparison: Audi A8 / S8 vs. Porsche Boxster

Model Year20132008
ModelA8 / S8Boxster
Body4dr Sedan2dr Convertible
Wheelbase117.8 in95.1 in
Length202.2 in170.4 in
Width76.7 in70.9 in
Height57.5 in51.0 in
Curb Weight4,377 lb.2,856 lb.
Fuel Capacity23.8 gal.17.0 gal.
Row 1 Headroom37.2 in38.4 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 in0.0 in
Row 2 Shoulder Room57.8 in0.0 in
Row 2 Legroom37.7 in0.0 in
Cargo Volume13.2 ft39.9 ft3

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Option Package Details
Audi A8 / S8 A8 3.0T

Comfort Package
FeatureValueRequested?
Cooled or ventilated front seats300No
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Massage, driver seat100No
Massage, passenger seat100No
Total Requested40044%
Total Not Requested50056%

Option Package Details
Audi A8 / S8 A8 4.0T

Comfort Package
FeatureValueRequested?
Cooled or ventilated front seats300No
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Massage, driver seat100No
Massage, passenger seat100No
Total Requested40044%
Total Not Requested50056%

Option Package Details
Porsche Boxster

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested400100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Sport Chrono Package
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 height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
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
Memory system, driver seat200Yes
Total Requested1350100%
Total Not Requested00%

Option Package Details
Porsche Boxster S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested400100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
Carbon fiber / leather-wrapped steering wheel
FeatureValueRequested?
Carbon fiber / leather-wrapped steering wheel0No
Audio controls on steering wheel125Yes
Total Requested125100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Sport Chrono Package
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 height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
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
Memory system, driver seat200Yes
Total Requested1350100%
Total Not Requested00%

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