Porsche Boxster Porsche Boxster 2008 Audi A8 / S8 Audi A8 / S8 2016

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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: $84,015

Porsche Boxster S   
Difference: $42,810

Lowest Total Invoice: $67,714

Porsche Boxster S   
Difference: $50,299

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  Down Payment Interest Rate Term
Model Year20082016
ModelBoxsterA8 / S8
TrimSS8 Plus
Body2dr Convertible4dr Sedan
Base Price $55,700 $114,900
Base Invoice $43,512 $106,858
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,090  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Metallic paint (extra cost) 690  
Dual-mode exhaust, switchable 2,100  
Automatic climate control, front 550  
Carbon fiber / leather-wrapped steering wheel 1,360  
Heated front seats 480  
Floor mats 115  
Obstacle detection, rear 530  
Navigation system 3,110  
Wood trim 890 0
Ceramic brake rotors 8,150  
Upholstered instrument panel, leather 1,735  
Dynamic Package   11,000
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Xenon HID headlights 927  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Metallic paint (extra cost) 587  
Dual-mode exhaust, switchable 1,785  
Automatic climate control, front 468  
Carbon fiber / leather-wrapped steering wheel 1,156  
Heated front seats 408  
Floor mats 98  
Obstacle detection, rear 451  
Navigation system 2,644  
Wood trim 757 0
Ceramic brake rotors 6,928  
Upholstered instrument panel, leather 1,475  
Dynamic Package   10,230
Options (change) 27,455 11,000
Options (change) 23,342 10,230
Destination 860 925
Total Price $84,015 $126,825
Total Invoice $67,714 $118,013

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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: Porsche Boxster vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $32,170
TrueDelta Adjusted Invoice Difference: $40,398
Model Year20082016
ModelBoxsterA8 / S8
TrimSS8 Plus
Body2dr Convertible4dr Sedan
Engine295hp H6605hp V8
TransmissionM6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)230, 7630, 14
Tire (rear if not all the same)235/40-18275/35-21
Total Price$84,015$126,825
Adjustments for Features0-10,640
Feature-Adjusted Total Price$84,015$116,185
Total Invoice$67,714$118,013
Adjustments for Features0-9,901
Feature-Adjusted Total Invoice$67,714$108,112

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Features Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20082016
ModelBoxsterA8 / S8
TrimSS8 Plus
Body2dr Convertible4dr Sedan
Transmission and Drivetrain 
6-speed manual$150 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Active noise reduction $0
Hands-free trunk or liftgate $100
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, power $225
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
Around view cameras $500
Blind spot warning system $200
Brake assist $50
Brake- or yaw-sensor-initiated collision preparation system $0
Collision preparation system, rear $100
Full-size spare tire $225
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rear side airbags $300
Roll bar$200 
Rollover sensor $50
Side curtain airbags $350
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
Mid-engine configuration$0 
Raised top speed limiter $0
Exterior 
Body kit $0
Bright-finished exhaust tip(s)$25 
Carbon fiber rear spoiler $300
Laminated front side windows $200
Laminated rear side windows $100
Power convertible top$4000 
Retractable rear spoiler$400 
Sunroof $900
Infotainment 
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
DVD-compatible player $0
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Satellite radio $200
SD Card slot $25
Surround sound $250
Traffic + travel information $25
USB port $25
Voice control for nav and audio $100
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock $25
Auto-dimming headlights $200
Automatic headlights $125
Chronometer$100 
Compass $0
Cornering lights $50
Fog lights$125 
Head-up display (HUD) $350
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
LED headlights $1000
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel$150 
Center armrest(s), second row $50
Cooled or ventilated front seats $300
Leather-wrapped steering wheel $150
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, passenger seat $150
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power seat belt height adjusters, front row $25
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
Synthetic suede headliner $650
Upholstered instrument panel $300
Upholstered instrument panel, leather$1000 
Suspension, Wheels, and Tires 
Active steering $1000
Air suspension, auto-leveling and height adjustable $1000
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$6,840$17,480
Value of Feature Adjustments$0$10,640
Value of Feature Adjustments0-9,901

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Specifications Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20082016
ModelBoxsterA8 / S8
Body2dr Convertible4dr Sedan
Wheelbase95.1 in117.8 in
Length170.4 in202.6 in
Width70.9 in76.7 in
Height51.0 in57.4 in
Curb Weight2,856 lb.4,686 lb.
Fuel Capacity17.0 gal.21.7 gal.
Row 1 Headroom38.4 in37.2 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 in38.1 in
Row 2 Shoulder Room0.0 in57.8 in
Row 2 Legroom0.0 in38.7 in
Cargo Volume9.9 ft314.2 ft3

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Option Package Details
Porsche Boxster S

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 fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
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
Total Requested1350100%
Total Not Requested00%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Audi A8 / S8 S8 Plus

Dynamic Package
FeatureValueRequested?
Sport exhaust0No
Ceramic brake rotors4000Yes
Raised top speed limiter0No
Carbon fiber rear spoiler100No
Total Requested400098%
Total Not Requested1002%

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