Porsche Cayman Porsche Cayman 2008 BMW 6-Series BMW 6-Series 2009

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Porsche Cayman vs. BMW 6-Series 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 6-Series Invoice Comparison

Lowest Total Price: $69,370

Porsche Cayman   
Difference: $40,055

Lowest Total Invoice: $60,183

Porsche Cayman   
Difference: $40,937

Calculate Payments

  Down Payment Interest Rate Term
Model Year200820082009
ModelCaymanCayman6-Series
TrimBaseSM6
Body2dr Hatch2dr Hatch2dr Coupe
Base Price $49,400 $59,100 $102,100
Base Invoice $43,075 $51,567 $94,110
Adaptive Sports Seats 3,055 3,055  
Auto-dimming rearview mirror 690 690  
Xenon HID headlights 1,090 1,090  
Sport Chrono Package 920 920  
Adaptive dampers - electrical 1,990 1,990  
Metallic paint (extra cost) 690 690  
Automatic climate control, front 550 550  
Floor mats 115 115  
Carbon fiber / leather-wrapped steering wheel 1,360 1,360  
Obstacle detection, rear 530 530  
Navigation system 3,110 3,110  
Wood trim 890 890 0
Heated front seats 480 480  
Upholstered instrument panel, leather 1,735 1,735 3,500
Synthetic suede headliner 1,180 1,180  
Illuminated door sill trim plates 725 725  
Adaptive Sports Seats 2,597 2,597  
Auto-dimming rearview mirror 587 587  
Xenon HID headlights 927 927  
Sport Chrono Package 782 782  
Adaptive dampers - electrical 1,692 1,692  
Metallic paint (extra cost) 587 587  
Automatic climate control, front 468 468  
Floor mats 98 98  
Carbon fiber / leather-wrapped steering wheel 1,156 1,156  
Obstacle detection, rear 451 451  
Navigation system 2,644 2,644  
Wood trim 757 757 0
Heated front seats 408 408  
Upholstered instrument panel, leather 1,475 1,475 3,185
Synthetic suede headliner 1,003 1,003  
Illuminated door sill trim plates 616 616  
Options (change) 19,110 19,110 3,500
Options (change) 16,248 16,248 3,185
Destination 860 860 825
Gas Tax 0 0 3,000
Total Price $69,370 $79,070 $109,425
Total Invoice $60,183 $68,675 $101,120

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

Dealer Price Quotes

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Request free, no-obligation Porsche Cayman dealer quotes or BMW 6-Series dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Cayman vs. BMW 6-Series

Lowest Adjusted Price and Invoice: Porsche Cayman
TrueDelta Adjusted Price Difference: $35,930
TrueDelta Adjusted Invoice Difference: $37,125
Model Year200820082009
ModelCaymanCayman6-Series
TrimBaseSM6
Body2dr Hatch2dr Hatch2dr Coupe
Engine245hp H6295hp H6500hp V10
TransmissionM5M6S7
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7315, 13
Tire (rear if not all the same)205/55-17235/40-18255/40-19
Total Price$69,370$79,070$109,425
Adjustments for Features0-150-4,125
Feature-Adjusted Total Price$69,370$78,920$105,300
Cost Above Minimum$0$9,550$0
Total Invoice$60,183$68,675$101,120
Adjustments for Features0-130-3,812
Feature-Adjusted Total Invoice$60,183$68,545$97,308
Cost Above Minimum$0$8,362$0

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Features Comparison: Porsche Cayman vs. BMW 6-Series

Model Year200820082009
ModelCaymanCayman6-Series
TrimBaseSM6
Body2dr Hatch2dr Hatch2dr Coupe
Transmission and Drivetrain 
5-speed manual$0  
6-speed manual $150 
7-speed automated manual  $1200
RWD$0$0$0
Accessories 
Remote window/roof operation  $15
Tilt/telescoping steering wheel, manual$250$250 
Tilt/telescoping steering wheel, power  $350
Brakes, Airbags, and Other Safety 
Brake assist  $50
Knee airbag, driver  $75
Knee airbag, passenger  $75
Obstacle detection, front  $150
Side curtain airbags  $350
Cargo Management 
Cargo mat  $40
Cargo net$40$40 
Rear seat pass-through  $100
Ski sack  $50
Climate Control 
Automatic air recirculation  $100
Dual-zone climate control  $125
Residual heat  $50
Water-repellent front-door glass$15$15 
Drivetrain 
Limited-slip rear differential  $300
Engine / Motor 
Mid-engine configuration$0$0 
Exterior 
Retractable rear spoiler$400$400 
Infotainment 
Aux input  $50
Bluetooth cell phone link  $100
MP3-compatible player  $50
Surround sound  $250
Telematics service, such as OnStar  $200
Traffic information  $25
Voice control for nav and audio  $100
Instruments, Lights, and Mirrors 
Automatic headlights  $125
Chronometer$100$100 
Fog light, rear$100$100 
Mirror tilt-down in reverse  $25
Power-folding mirrors  $50
Steering-linked headlights  $150
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel$150$150 
Leather-wrapped steering wheel  $150
Manual thigh support length adjuster, driver seat  $50
Manual thigh support length adjuster, passenger seat  $50
Metal pedals$75$75 
No leather in second row$-300$-300 
Power 4-way lumbar adjuster, passenger seat  $150
Power thigh bolsters, driver seat$100$100 
Power thigh bolsters, passenger seat$100$100 
Suspension, Wheels, and Tires 
Active stabilizer bars  $500
Ultra-sport suspension (upgrade)  $0
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$1,030$1,180$5,155
Value of Feature Adjustments$0$150$4,125
Value of Feature Adjustments0-130-3,812

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Specifications Comparison: Porsche Cayman vs. BMW 6-Series

Model Year20082009
ModelCayman6-Series
Body2dr Hatch2dr Coupe
Wheelbase95.1 in109.4 in
Length170.9 in190.2 in
Width70.9 in73.0 in
Height51.4 in54.1 in
Curb Weight2,966 lb.3,815 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom0.0 in37.6 in
Row 1 Shoulder Room0.0 in56.4 in
Row 1 Legroom0.0 in42.0 in
Row 2 Headroom0.0 in35.6 in
Row 2 Shoulder Room0.0 in49.4 in
Row 2 Legroom0.0 in28.8 in
Cargo Volume14.5 ft313.0 ft3

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Option Package Details
Porsche Cayman

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
Porsche Cayman S

Adaptive Sports Seats
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
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
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

Option Package Details
BMW 6-Series M6

Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather1000Yes
Upgraded leather upholstery0No
Synthetic suede headliner650Yes
Total Requested1650100%
Total Not Requested00%

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