Audi A8 / S8 Audi A8 / S8 2008 Porsche Boxster Porsche Boxster 2009

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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: $64,300

Porsche Boxster   
Difference: $10,265

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820092009
ModelA8 / S8A8 / S8BoxsterBoxster
TrimA8S8BaseS
Body4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Base Price $70,690 $93,300 $46,600 $56,700
Leather door panel trim 750      
Heated steering wheel 300 300 190 190
Satellite radio 550 550 750 750
Cooled or ventilated front seats 1,500   800 800
Power Seat Package     1,550 1,550
Auto-dimming rearview mirror     690 690
Xenon HID headlights     1,560 1,560
CD changer, in-dash     650 650
Metallic paint (extra cost)     710 710
Floor mats     90 90
Heated front seats     500 500
iPod integration     440 440
Navigation system     3,110 3,110
Automatic climate control, front     550 550
Voice control for nav and audio     595 595
Bluetooth cell phone link     695 695
Wood trim     890 890
Audio controls on steering wheel     990 990
Adaptive dampers - electrical     1,990 1,990
Leather door panel trim 698      
Heated steering wheel 281 281 0 0
Satellite radio 490 501 0 0
Cooled or ventilated front seats 1,396   0 0
Power Seat Package     1,318 1,318
Auto-dimming rearview mirror     587 587
Xenon HID headlights     0 0
CD changer, in-dash     553 553
Metallic paint (extra cost)     0 0
Floor mats     0 0
Heated front seats     0 0
iPod integration     0 0
Navigation system     0 0
Automatic climate control, front     468 468
Voice control for nav and audio     0 0
Bluetooth cell phone link     0 0
Wood trim     757 757
Audio controls on steering wheel     842 842
Adaptive dampers - electrical     1,692 1,692
Options (change) 3,100 850 16,750 16,750
Options (change) 2,865 782 6,217 6,217
Destination 775 775 950 950
Gas Tax 0 2,100 0 0
Total Price $74,565 $97,025 $64,300 $74,400

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

Lowest Adjusted Price and Invoice: Porsche Boxster
TrueDelta Adjusted Price Difference: $6,720
TrueDelta Adjusted Invoice Difference: $58,915
Model Year2008200820092009
ModelA8 / S8A8 / S8BoxsterBoxster
TrimA8S8BaseS
Body4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Engine350hp V8450hp V10255hp H6310hp H6
TransmissionT6T6M6M6
DrivetrainAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)200, 12200, 1250, 4185, 7
Tire (rear if not all the same)255/45-18265/35-20205/55-17235/40-18
Total Price$74,565$97,025$64,300$74,400
Adjustments for Features-3,545-3,69500
Feature-Adjusted Total Price$71,020$93,330$64,300$74,400
Cost Above Minimum$0$22,310$0$10,100

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Features Comparison: Audi A8 / S8 vs. Porsche Boxster

Model Year2008200820092009
ModelA8 / S8A8 / S8BoxsterBoxster
TrimA8S8BaseS
Body4dr Sedan4dr Sedan2dr Convertible2dr Convertible
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100  
6-speed manual  $150$150
AWD$1700$1700  
RWD  $0$0
Accessories 
Power rear side windows$200$200  
Power trunk / liftgate pull-down$50$50  
Remote window/roof operation$15$15  
Tilt/telescoping steering wheel, manual  $250$250
Tilt/telescoping steering wheel, power$350$350  
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0$0  
Full-size spare tire$225$225  
Knee airbag, driver$75$75  
Knee airbag, passenger$75$75  
Rear side airbags$300$300  
Roll bar  $200$200
Side curtain airbags$350$350  
Cargo Management 
Cargo net  $40$40
Climate Control 
Automatic air recirculation$100$100  
Dual-zone climate control$125$125  
Rear air vents$100$100  
Residual heat$50$50  
Water-repellent front-door glass  $15$15
Engine / Motor 
Mid-engine configuration  $0$0
Exterior 
Bodyside moldings$75$75  
Power convertible top  $4000$4000
Retractable rear spoiler  $400$400
Sunroof$900$900  
Infotainment 
Aux input  $50$50
CD changer, in-dash  $325$325
CD changer, remote$200$200  
DVD-Audio-compatible player  $0$0
Media drive  $15$15
Off-road navigation system  $0$0
Surround sound$250$250  
Instruments, Lights, and Mirrors 
Automatic headlights$125$125  
Cornering lights$50$50  
Mirror tilt-down in reverse$25$25  
Power-folding mirrors$50$50  
Turn signals on or near mirrors$25$25  
Seats and Interior Trim 
Center armrest(s), second row$50$50  
Cooled or ventilated front seats$300 $300$300
Heated second row seats$200$200  
Massage, driver seat$100   
Massage, passenger seat$100   
Memory system, passenger seat$150$150  
Metal pedals  $75$75
No leather in second row  $-300$-300
Power 4-way lumbar adjuster, passenger seat$150$150  
Power headrest height adjuster, driver seat$50$50  
Power headrest height adjuster, passenger seat$50$50  
Power thigh support length adjuster, driver seat$100$100  
Power thigh support length adjuster, passenger seat$100$100  
Power upper seatback recliner, driver seat$100$100  
Power upper seatback recliner, passenger seat$100$100  
Synthetic suede headliner $650  
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable$1000$1000  
Sport suspension (upgrade) $0  
Total Value of Features$9,065$9,215$5,520$5,520
Value of Feature Adjustments$3,545$3,695$0$0
Value of Feature Adjustments-3,299-3,44400

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Specifications Comparison: Audi A8 / S8 vs. Porsche Boxster

Model Year20082009
ModelA8 / S8Boxster
Body4dr Sedan2dr Convertible
Wheelbase115.9 in95.1 in
Length199.3 in172.1 in
Width74.6 in70.9 in
Height56.9 in50.9 in
Curb Weight4,289 lb.2,944 lb.
Fuel Capacity23.8 gal.16.9 gal.
Row 1 Headroom37.3 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 Headroom38.0 in0.0 in
Row 2 Shoulder Room57.5 in0.0 in
Row 2 Legroom37.6 in0.0 in
Cargo Volume14.6 ft39.9 ft3

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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
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested700100%
Total Not Requested00%
iPod integration
FeatureValueRequested?
iPod integration100Yes
Aux input50No
Media drive, large15No
Total Requested10061%
Total Not Requested6539%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Power Seat Package
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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested850100%
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
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested700100%
Total Not Requested00%
iPod integration
FeatureValueRequested?
iPod integration100Yes
Aux input50No
Media drive, large15No
Total Requested10061%
Total Not Requested6539%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0No
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Power Seat Package
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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested850100%
Total Not Requested00%

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