Porsche Cayman Porsche Cayman 2009 BMW i8 BMW i8 2017

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

Join Us

Porsche Cayman vs. BMW i8 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. BMW i8 Invoice Comparison

Lowest Total Price: $83,675

Porsche Cayman S   
Difference: $58,927

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092017
ModelCaymani8
TrimSBase
Body2dr Hatch2dr Coupe
Base Price $60,200 $143,400
iPod integration 440  
Navigation system 3,110  
Sport Chrono Package 1,320  
Adaptive dampers - electrical 1,990  
Auto-dimming rearview mirror 690  
Power Seat Package 1,550  
7-speed automated manual 3,420  
Satellite radio 750  
Xenon HID headlights 1,560  
Metallic paint (extra cost) 710  
Heated front seats 500  
Floor mats 90  
Voice control for nav and audio 595  
Upholstered instrument panel, leather 2,385  
Automatic climate control, front 550  
Audio controls on steering wheel 990  
Obstacle detection, rear 530  
Bluetooth cell phone link 695  
Voice recorder 650  
Giga World   2,000
iPod integration 0  
Navigation system 0  
Sport Chrono Package 306  
Adaptive dampers - electrical 1,692  
Auto-dimming rearview mirror 587  
Power Seat Package 1,318  
7-speed automated manual 0  
Satellite radio 0  
Xenon HID headlights 0  
Metallic paint (extra cost) 0  
Heated front seats 0  
Floor mats 0  
Voice control for nav and audio 0  
Upholstered instrument panel, leather 0  
Automatic climate control, front 468  
Audio controls on steering wheel 842  
Obstacle detection, rear 451  
Bluetooth cell phone link 0  
Voice recorder 553  
Giga World   1,840
Options (change) 22,525 2,000
Options (change) 6,217 1,840
Destination 950 995
Gas Tax 0 -3,793
Total Price $83,675 $142,602

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 Cayman dealer quotes or BMW i8 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 Cayman vs. BMW i8

Lowest Adjusted Price and Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $53,322
TrueDelta Adjusted Invoice Difference: $120,684
Model Year20092017
ModelCaymani8
TrimSBase
Body2dr Hatch2dr Coupe
Engine320hp H6357hp I3 PiH
TransmissionS7T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)20/29 MPG28/29 MPG
Audio (watts, speakers)235, 9360, 11
Tire (rear if not all the same)235/40-18215/45-20
Total Price$83,675$142,602
Adjustments for Features0-5,605
Feature-Adjusted Total Price$83,675$136,997

Return to top

Features Comparison: Porsche Cayman vs. BMW i8

Model Year20092017
ModelCaymani8
TrimSBase
Body2dr Hatch2dr Coupe
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Proximity key $250
Remote app $25
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, low-speed $200
Blind spot warning system $200
Driver drowsiness monitor $150
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning $200
Obstacle detection, front $150
Pedestrian detection $50
Side curtain airbags $350
Wide-view front camera $150
Cargo Management 
Cargo net$40 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Heated windshield washer nozzles$15 
Rear air vents with manual controls $150
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
3.3 kW onboard charger $0
7 kWh battery pack $0
Automatic start / stop $150
Exterior 
Bright-finished exhaust tip(s)$25 
Carbon fiber body structure $0
Retractable rear spoiler$400 
Infotainment 
App support $0
Bluetooth audio streaming $25
CD player$125 
Concierge Services - 3 year subscription $150
DVD-Audio-compatible player$0 
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Off-road navigation system$0 
S Voice support $0
Satellite radio$200 
Satellite radio - one year subscription $250
Siri Eyes Free support $0
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar $200
Text dictation $50
Traffic + travel information $25
USB port $25
Voice control for external devices $0
Instruments, Lights, and Mirrors 
Automatic headlights $125
Chronometer$100 
Fog light, rear$100 
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Door sill trim plates$100 
Metal pedals$75 
No leather in second row$-300 
Power 4-way lumbar adjuster, driver seat$150 
Power tilt adjuster, driver seat$100 
Power tilt adjuster, passenger seat$100 
Transmission 
Launch control$100 
Total Value of Features$3,620$9,225
Value of Feature Adjustments$0$5,605
Value of Feature Adjustments0-5,231

Return to top

Specifications Comparison: Porsche Cayman vs. BMW i8

Model Year20092017
ModelCaymani8
Body2dr Hatch2dr Coupe
Wheelbase95.1 in110.2 in
Length171.1 in184.9 in
Width70.9 in76.5 in
Height51.4 in50.8 in
Curb Weight3,075 lb.3,455 lb.
Fuel Capacity16.9 gal.11.1 gal.
Row 1 Headroom0.0 in38.7 in
Row 1 Shoulder Room0.0 in61.1 in
Row 2 Headroom0.0 in32.4 in
Row 2 Shoulder Room0.0 in51.5 in
Cargo Volume14.5 ft34.7 ft3

Return to top

Option Package Details
Porsche Cayman S

Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Launch control100No
Total Requested20050%
Total Not Requested20050%
Power Seat Package
FeatureValueRequested?
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100No
Power 4-way lumbar adjuster, driver seat150No
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100No
Total Requested50059%
Total Not Requested35041%

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.