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

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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: $73,070

Porsche Boxster S   
Difference: $26,055

Lowest Total Invoice: $63,472

Porsche Boxster S   
Difference: $28,918

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072009
ModelBoxsterA8 / S8
TrimSS8
Body2dr Convertible4dr Sedan
Base Price $55,500 $96,200
Base Invoice $48,415 $89,465
5-speed shiftable automatic 3,000  
Wood trim 890  
Obstacle detection, rear 530  
Audio controls on steering wheel 990  
Navigation system 3,070  
Automatic climate control, front 550  
Adaptive dampers - electrical 1,990  
Front sport buckets 760  
Preferred Package Plus S 4,995  
5-speed shiftable automatic 2,550  
Wood trim 757  
Obstacle detection, rear 451  
Audio controls on steering wheel 842  
Navigation system 2,610  
Automatic climate control, front 468  
Adaptive dampers - electrical 1,692  
Front sport buckets 646  
Preferred Package Plus S 4,246  
Options (change) 16,775 0
Options (change) 14,262 0
Destination 795 825
Gas Tax 0 2,100
Total Price $73,070 $99,125
Total Invoice $63,472 $92,390

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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: $22,245
TrueDelta Adjusted Invoice Difference: $25,367
Model Year20072009
ModelBoxsterA8 / S8
TrimSS8
Body2dr Convertible4dr Sedan
Engine295hp H6450hp V10
TransmissionT5T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)20/27 MPG13/19 MPG
Audio (watts, speakers)325, 11200, 12
Tire (rear if not all the same)235/40-18265/35-20
Total Price$73,070$99,125
Adjustments for Features0-3,810
Feature-Adjusted Total Price$73,070$95,315
Total Invoice$63,472$92,390
Adjustments for Features0-3,551
Feature-Adjusted Total Invoice$63,472$88,839

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Features Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20072009
ModelBoxsterA8 / S8
TrimSS8
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Power door closers $300
Power rear side windows $200
Power trunk closer $350
Proximity key $250
Remote window/roof operation $15
Sunshade, rear, power $225
Sunshades, second row $125
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
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rear side airbags $300
Rearview camera $200
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 
Bluetooth cell phone link $100
CD player$125 
iPod integration $100
Satellite radio $200
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
Steering-linked headlights $150
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 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
Total Value of Features$6,030$9,840
Value of Feature Adjustments$0$3,810
Value of Feature Adjustments0-3,551

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Specifications Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20072009
ModelBoxsterA8 / S8
Body2dr Convertible4dr Sedan
Wheelbase95.1 in115.9 in
Length170.4 in199.3 in
Width70.9 in74.6 in
Height51.0 in56.9 in
Curb Weight3,053 lb.4,586 lb.
Fuel Capacity17.0 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

Preferred Package Plus S
FeatureValueRequested?
CD changer, remote200Yes
Xenon HID headlights500Yes
Headlight washers50Yes
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
Surround sound250Yes
Bose, 325W, 11 speakers (with subwoofer)350No
Heated front seats200Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Floor mats75Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested252588%
Total Not Requested35012%

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