Audi A8 / S8 Audi A8 / S8 2018 Porsche Cayman Porsche Cayman 2009

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Audi A8 / S8 vs. Porsche Cayman 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.

Audi A8 / S8 vs. Porsche Cayman Invoice Comparison

Lowest Total Price: $94,100

Porsche Cayman S   
Difference: $42,075

Calculate Payments

  Down Payment Interest Rate Term
Model Year20182009
ModelA8 / S8Cayman
TrimS8 PlusS
Body4dr Sedan2dr Hatch
Base Price $115,900 $60,200
Dynamic Package 9,000  
Black Optic Plus Exterior Package 7,500  
Executive Plus Package 2,800  
Sport Chrono Package   960
Adaptive dampers - electrical   1,990
Adaptive Sports Seats   3,055
Auto-dimming rearview mirror   690
Xenon HID headlights   1,560
iPod integration   440
Navigation system   3,110
Metallic paint (extra cost)   710
Floor mats   90
Heated steering wheel   190
Heated front seats   500
Obstacle detection, rear   530
Automatic climate control, front   550
Voice control for nav and audio   595
Bluetooth cell phone link   695
Satellite radio   750
Cooled or ventilated front seats   800
Carbon fiber trim   890
Audio controls on steering wheel   990
Dual-mode exhaust, switchable   2,500
Synthetic suede headliner   1,180
Ceramic brake rotors   8,150
Upholstered instrument panel, leather   2,025
Dynamic Package 8,370  
Black Optic Plus Exterior Package 6,976  
Executive Plus Package 2,604  
Sport Chrono Package   0
Adaptive dampers - electrical   1,692
Adaptive Sports Seats   2,597
Auto-dimming rearview mirror   587
Xenon HID headlights   0
iPod integration   0
Navigation system   0
Metallic paint (extra cost)   0
Floor mats   0
Heated steering wheel   0
Heated front seats   0
Obstacle detection, rear   451
Automatic climate control, front   468
Voice control for nav and audio   0
Bluetooth cell phone link   0
Satellite radio   0
Cooled or ventilated front seats   0
Carbon fiber trim   757
Audio controls on steering wheel   842
Dual-mode exhaust, switchable   0
Synthetic suede headliner   1,003
Ceramic brake rotors   6,928
Upholstered instrument panel, leather   -306
Options (change) 19,300 32,950
Options (change) 17,950 15,019
Destination 975 950
Total Price $136,175 $94,100

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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: Audi A8 / S8 vs. Porsche Cayman

Lowest Adjusted Price and Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $27,000
TrueDelta Adjusted Invoice Difference: $96,716
Model Year20182009
ModelA8 / S8Cayman
TrimS8 PlusS
Body4dr Sedan2dr Hatch
Engine605hp V8320hp H6
TransmissionT8M6
DrivetrainAWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)630, 14235, 9
Tire (rear if not all the same)275/35-21235/40-18
Total Price$136,175$94,100
Adjustments for Features-15,0750
Feature-Adjusted Total Price$121,100$94,100

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Features Comparison: Audi A8 / S8 vs. Porsche Cayman

Model Year20182009
ModelA8 / S8Cayman
TrimS8 PlusS
Body4dr Sedan2dr Hatch
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
6-speed manual $150
AWD$1700 
RWD $0
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 
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 
Collision preparation system, rear$100 
Forward collision warning$200 
Full-size spare tire$225 
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 
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 
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 
Bluetooth audio streaming$25 
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition$200 
HD radio$50 
In-vehicle Internet$150 
iPod integration $100
MP3-compatible player$50 
Off-road navigation system $0
SD Card slot$25 
Surround sound$250 
Traffic + travel information$25 
USB port$25 
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 
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 
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 
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 
Launch control $100
Steering-wheel-mounted transmission controls$100 
Total Value of Features$17,915$2,840
Value of Feature Adjustments$15,075$0
Value of Feature Adjustments-14,0280

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Specifications Comparison: Audi A8 / S8 vs. Porsche Cayman

Model Year20182009
ModelA8 / S8Cayman
Body4dr Sedan2dr Hatch
Wheelbase117.8 in95.1 in
Length202.6 in171.1 in
Width76.7 in70.9 in
Height57.4 in51.4 in
Curb Weight4,686 lb.2,977 lb.
Fuel Capacity21.7 gal.16.9 gal.
Row 1 Headroom37.2 in0.0 in
Row 1 Shoulder Room59.1 in0.0 in
Row 1 Legroom41.4 in0.0 in
Row 2 Headroom38.1 in0.0 in
Row 2 Shoulder Room57.8 in0.0 in
Row 2 Legroom38.7 in0.0 in
Cargo Volume14.2 ft314.5 ft3

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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 wheel100Yes
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 Requested1005%
Total Not Requested185095%

Option Package Details
Porsche Cayman S

Auto-dimming rearview mirror
FeatureValueRequested?
Auto-dimming rearview mirror150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Total Requested400100%
Total Not Requested00%
Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Steering-linked headlights150Yes
Headlight washers50Yes
Total Requested700100%
Total Not Requested00%
iPod integration
FeatureValueRequested?
iPod integration100Yes
Aux input50Yes
Media drive, large15Yes
Total Requested165100%
Total Not Requested00%
Navigation system
FeatureValueRequested?
Navigation system600Yes
DVD-Audio-compatible player0Yes
Off-road navigation system0No
Total Requested600100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000No
Leather upholstery, extended coverage0No
Total Requested00%
Total Not Requested1000100%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Launch control100No
Total Requested20050%
Total Not Requested20050%
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
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
Power fore-aft adjuster, passenger seat100Yes
Total Requested1350100%
Total Not Requested00%

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