Porsche Boxster Porsche Boxster 2009 Audi A8 / S8 Audi A8 / S8 2007

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Porsche Boxster vs. Audi A8 / S8 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.

Porsche Boxster vs. Audi A8 / S8 Invoice Comparison

Lowest Total Price: $79,325

Porsche Boxster S   
Difference: $20,545

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092007
ModelBoxsterA8 / S8
TrimSS8
Body2dr Convertible4dr Sedan
Base Price $56,700 $92,000
Xenon HID headlights 1,560  
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
CD changer, in-dash 650  
Metallic paint (extra cost) 710  
Heated front seats 500  
Wood trim 890  
Floor mats 90  
Navigation system 3,110  
Adaptive dampers - electrical 1,990  
Bluetooth cell phone link 695  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Satellite radio 750 550
Upholstered instrument panel, leather 2,025 4,900
7-speed automated manual 3,420  
Xenon HID headlights 0  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
CD changer, in-dash 553  
Metallic paint (extra cost) 0  
Heated front seats 0  
Wood trim 757  
Floor mats 0  
Navigation system 0  
Adaptive dampers - electrical 1,692  
Bluetooth cell phone link 0  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Satellite radio 0 501
Upholstered instrument panel, leather -306 4,558
7-speed automated manual 0  
Options (change) 21,675 5,450
Options (change) 7,190 5,059
Destination 950 720
Gas Tax 0 1,700
Total Price $79,325 $99,870

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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: Porsche Boxster vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $19,335
TrueDelta Adjusted Invoice Difference: $82,295
Model Year20092007
ModelBoxsterA8 / S8
TrimSS8
Body2dr Convertible4dr Sedan
Engine310hp H6450hp V10
TransmissionS7T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)20/29 MPG15/21 MPG
Audio (watts, speakers)185, 7200, 12
Tire (rear if not all the same)235/40-18265/35-20
Total Price$79,325$99,870
Adjustments for Features0-1,210
Feature-Adjusted Total Price$79,325$98,660

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Features Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20092007
ModelBoxsterA8 / S8
TrimSS8
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Power rear side windows $200
Power trunk / liftgate pull-down $50
Remote window/roof operation $15
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Knee airbag, driver $75
Knee airbag, passenger $75
Rear side airbags $300
Roll bar$200 
Side curtain airbags $350
Cargo Management 
Cargo net$40 
Climate Control 
Dual-zone climate control $125
Rear air vents $100
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Exterior 
Bodyside moldings $75
Power convertible top$4000 
Retractable rear spoiler$400 
Sunroof $900
Infotainment 
CD changer, in-dash$325 
CD changer, remote $200
Off-road navigation system$0 
Surround sound $250
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Automatic headlights $125
Cornering lights $50
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Turn signals on or near mirrors $25
Seats and Interior Trim 
Center armrest(s), second row $50
Memory system, passenger seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power seatback bolsters, driver seat$100 
Power seatback bolsters, passenger seat$100 
Power thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$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
Suspension, Wheels, and Tires 
Air suspension, auto-leveling and height adjustable $1000
Sport suspension (upgrade) $0
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,930$8,140
Value of Feature Adjustments$0$1,210
Value of Feature Adjustments0-1,109

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Specifications Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20092007
ModelBoxsterA8 / S8
Body2dr Convertible4dr Sedan
Wheelbase95.1 in115.9 in
Length172.1 in199.3 in
Width70.9 in74.6 in
Height50.9 in56.9 in
Curb Weight3,042 lb.4,586 lb.
Fuel Capacity16.9 gal.23.8 gal.
Row 1 Headroom38.4 in37.3 in
Row 1 Shoulder Room51.7 in59.1 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom41.6 in41.4 in
Row 2 Headroom0.0 in38.0 in
Row 2 Shoulder Room0.0 in57.5 in
Row 2 Legroom0.0 in37.6 in
Cargo Volume9.9 ft314.6 ft3

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Option Package Details
Porsche Boxster S

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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested95070%
Total Not Requested40030%

Option Package Details
Audi A8 / S8 S8

Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Upgraded leather upholstery0No
Total Requested1000100%
Total Not Requested00%

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