Porsche Boxster Porsche Boxster 2015 Audi A8 / S8 Audi A8 / S8 2018

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $97,415

Porsche Boxster GTS   
Difference: $38,760

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152018
ModelBoxsterA8 / S8
TrimGTSS8 Plus
Body2dr Convertible4dr Sedan
Base Price $73,500 $115,900
Premium Package Plus 1,965  
Adaptive sport seats plus 3,025  
Infotainment Package 3,990  
6-speed manual 0  
Ceramic brake rotors 7,400  
Heated steering wheel 270  
Audio controls on steering wheel 165  
Rearview camera 1,515  
Voice control for nav and audio 520  
Cooled or ventilated front seats 730  
Power-folding mirrors 320  
Auto-dimming headlights 520  
Carbon fiber trim 1,790  
Metallic paint (extra cost) 710  
Dynamic Package   9,000
Black Optic Plus Exterior Package   7,500
Executive Plus Package   2,800
Premium Package Plus 0  
Adaptive sport seats plus 0  
Infotainment Package 0  
6-speed manual 0  
Ceramic brake rotors 0  
Heated steering wheel 0  
Audio controls on steering wheel 0  
Rearview camera 0  
Voice control for nav and audio 0  
Cooled or ventilated front seats 0  
Power-folding mirrors 0  
Auto-dimming headlights 0  
Carbon fiber trim 0  
Metallic paint (extra cost) 0  
Dynamic Package   8,370
Black Optic Plus Exterior Package   6,976
Executive Plus Package   2,604
Options (change) 22,920 19,300
Options (change) 0 17,950
Destination 995 975
Total Price $97,415 $136,175

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

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

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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

Lowest Adjusted Price and Invoice: Porsche Boxster GTS
TrueDelta Adjusted Price Difference: $30,410
TrueDelta Adjusted Invoice Difference: $117,948
Model Year20152018
ModelBoxsterA8 / S8
TrimGTSS8 Plus
Body2dr Convertible4dr Sedan
Engine330hp H6605hp V8
TransmissionM6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)19/26 MPG14/24 MPG
Audio (watts, speakers)445, 10630, 14
Tire (rear if not all the same)235/35-20275/35-21
Total Price$97,415$136,175
Adjustments for Features0-8,350
Feature-Adjusted Total Price$97,415$127,825

Return to top

Features Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20152018
ModelBoxsterA8 / S8
TrimGTSS8 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
Adaptive cruise control, all-speed $850
Cruise control$150 
Hands-free trunk or liftgate $100
Power door closers $300
Power rear side windows $200
Power trunk closer $350
Remote window/roof operation $15
Sunshade, rear, power $225
Sunshades, second row, power $225
Wind blocker, small$100 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats $0
Around view cameras $500
Automatic braking, low-speed $200
Blind spot warning system $200
Collision preparation system, rear $100
Forward collision warning $200
Full-size spare tire $225
Lane departure prevention, steering-based $200
Lane departure warning $200
Radar- or camera-based collision preparation system $0
Rear side airbags $300
Rearview camera$200 
Roll bar$200 
Rollover sensor $50
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Rear seat pass-through $100
Ski sack $50
Climate Control 
Rear air vents with automatic controls $250
Rear dual-zone climate control $125
Water-repellent front-door glass$15 
Drivetrain 
Electronically-variable engine mounts (performance-oriented)$500 
Engine / Motor 
Automatic start / stop$150 
Mid-engine configuration$0 
Raised top speed limiter $0
Regenerative braking$0 
Exterior 
Black grille (optional) $0
Body kit $0
Carbon fiber exterior trim (other) $100
Carbon fiber mirror housings $100
Carbon fiber rear spoiler $300
Laminated front side windows $200
Laminated rear side windows $100
Painted brake calipers (optional)$0 
Power convertible top$4000 
Retractable rear spoiler$400 
Sunroof $900
Infotainment 
App support$0 
DVD-Audio-compatible player$0 
DVD-compatible player $0
Handwriting recognition $200
In-vehicle Internet $150
Off-road navigation system$0 
SD Card slot $25
Traffic + travel information $25
Traffic information$25 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Analog clock $25
Chronometer$100 
Compass $0
Cornering lights $50
Head-up display (HUD) $350
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
LED headlights $1000
Mirror tilt-down in reverse $25
Performance meter$150 
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row $50
Heated second row seats $200
Leather door panel trim $250
Massage, driver seat $100
Massage, passenger seat $100
Memory system, passenger seat $150
Metal pedals$75 
No leather in second row$-300 
Power headrest height adjuster, driver seat $50
Power headrest height adjuster, passenger seat $50
Power seat belt height adjusters, front row $25
Power upper seatback recliner, driver seat $100
Power upper seatback recliner, passenger seat $100
Synthetic suede door panel trim$250 
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$7,815$16,165
Value of Feature Adjustments$0$8,350
Value of Feature Adjustments0-7,770

Return to top

Specifications Comparison: Porsche Boxster vs. Audi A8 / S8

Model Year20152018
ModelBoxsterA8 / S8
Body2dr Convertible4dr Sedan
Wheelbase97.4 in117.8 in
Length172.2 in202.6 in
Width70.9 in76.7 in
Height50.5 in57.4 in
Curb Weight2,965 lb.4,685 lb.
Fuel Capacity16.9 gal.21.7 gal.
Row 1 Headroom38.6 in37.2 in
Row 1 Shoulder Room51.7 in59.1 in
Row 1 Hip Room53.4 in0.0 in
Row 1 Legroom42.6 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

Return to top

Option Package Details
Porsche Boxster GTS

Premium Package Plus
FeatureValueRequested?
Proximity key250Yes
Interior ambient lighting150Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested1475100%
Total Not Requested00%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100Yes
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100Yes
Power seatback bolsters, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150Yes
Power thigh support adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested1700100%
Total Not Requested00%
Infotainment Package
FeatureValueRequested?
Surround sound250Yes
Performance meter150No
Bose, 445W, 10 speakers (with subwoofer)350No
Satellite radio200Yes
DVD-Audio-compatible player0Yes
HD radio50Yes
USB port25Yes
Navigation system600Yes
Traffic information25Yes
Off-road navigation system0No
Media drive15Yes
App support0No
Total Requested116570%
Total Not Requested50030%

Option Package Details
Audi A8 / S8 S8 Plus

Dynamic Package
FeatureValueRequested?
Ceramic brake rotors4000Yes
Raised top speed limiter0No
Total Requested4000100%
Total Not Requested00%
Black Optic Plus Exterior Package
FeatureValueRequested?
Sport exhaust0No
Carbon fiber rear spoiler100No
Carbon fiber exterior trim (other)100No
Carbon fiber mirror housings100No
Black grille (optional)0No
Black exterior trim (optional)0Yes
Total Requested00%
Total Not Requested300100%
Executive Plus Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100No
Heated steering wheel100Yes
Ski sack50No
Lane departure prevention, steering-based200No
Radar- or camera-based collision preparation system0No
Lane departure warning200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision warning200No
Total Requested1005%
Total Not Requested185095%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.