Porsche Cayman Porsche Cayman 2007 Audi A8 / S8 Audi A8 / S8 2018

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Porsche Cayman 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 Cayman vs. Audi A8 / S8 Invoice Comparison

Lowest Total Price: $81,325

Porsche Cayman S   
Difference: $54,850

Lowest Total Invoice: $70,577

Porsche Cayman S   
Difference: $56,136

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  Down Payment Interest Rate Term
Model Year20072018
ModelCaymanA8 / S8
TrimSS8 Plus
Body2dr Hatch4dr Sedan
Base Price $58,900 $115,900
Base Invoice $51,392 $107,788
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Xenon HID headlights 1,090  
Ceramic brake rotors 8,150  
Obstacle detection, rear 530  
Navigation system 3,070  
Heated front seats 480  
Audio controls on steering wheel 990  
Automatic climate control, front 550  
Floor mats 115  
Dynamic Package   9,000
Black Optic Plus Exterior Package   7,500
Executive Plus Package   2,800
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Xenon HID headlights 927  
Ceramic brake rotors 6,928  
Obstacle detection, rear 451  
Navigation system 2,610  
Heated front seats 408  
Audio controls on steering wheel 842  
Automatic climate control, front 468  
Floor mats 98  
Dynamic Package   8,370
Black Optic Plus Exterior Package   6,976
Executive Plus Package   2,604
Options (change) 21,630 19,300
Options (change) 18,390 17,950
Destination 795 975
Total Price $81,325 $136,175
Total Invoice $70,577 $126,713

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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 Cayman vs. Audi A8 / S8

Lowest Adjusted Price and Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $37,260
TrueDelta Adjusted Invoice Difference: $39,768
Model Year20072018
ModelCaymanA8 / S8
TrimSS8 Plus
Body2dr Hatch4dr 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$81,325$136,175
Adjustments for Features0-17,590
Feature-Adjusted Total Price$81,325$118,585
Total Invoice$70,577$126,713
Adjustments for Features0-16,368
Feature-Adjusted Total Invoice$70,577$110,345

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Features Comparison: Porsche Cayman vs. Audi A8 / S8

Model Year20072018
ModelCaymanA8 / S8
TrimSS8 Plus
Body2dr Hatch4dr 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
Heated steering wheel $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
Automatic braking, low-speed $200
Blind spot warning system $200
Brake assist $50
Collision preparation system, rear $100
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure prevention, steering-based $200
Lane departure warning $200
Obstacle detection, front $150
Radar- or camera-based collision preparation system $0
Rear side airbags $300
Rollover sensor $50
Side curtain airbags $350
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 
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 
Dual-mode exhaust, switchable $500
Mid-engine configuration$0 
Raised top speed limiter $0
Exterior 
Black exterior trim (optional) $0
Black grille (optional) $0
Body kit $0
Bright-finished exhaust tip(s)$25 
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
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
Surround sound $250
Traffic + travel information $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, 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 trim $200
Center armrest(s), second row $50
Cooled or ventilated front seats $300
Heated second row seats $200
Massage, driver seat $100
Massage, passenger seat $100
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 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
Upholstered instrument panel $300
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$1,715$19,305
Value of Feature Adjustments$0$17,590
Value of Feature Adjustments0-16,368

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Specifications Comparison: Porsche Cayman vs. Audi A8 / S8

Model Year20072018
ModelCaymanA8 / S8
Body2dr Hatch4dr Sedan
Wheelbase95.1 in117.8 in
Length170.9 in202.6 in
Width70.9 in76.7 in
Height51.4 in57.4 in
Curb Weight2,966 lb.4,686 lb.
Fuel Capacity17.0 gal.21.7 gal.
Row 1 Headroom0.0 in37.2 in
Row 1 Shoulder Room0.0 in59.1 in
Row 1 Legroom0.0 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 Volume14.5 ft314.2 ft3

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Option Package Details
Porsche Cayman S

Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%
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 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
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Total Requested1350100%
Total Not Requested00%

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)0No
Total Requested00%
Total Not Requested300100%
Executive Plus Package
FeatureValueRequested?
Heated second row seats200No
Rear seat pass-through100No
Heated steering wheel100No
Ski sack50No
Radar- or camera-based collision preparation system0No
Lane departure warning200No
Adaptive cruise control, all-speed700No
Automatic braking, low-speed200No
Forward collision warning200No
Lane departure prevention, steering-based200No
Total Requested00%
Total Not Requested1950100%

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