Porsche Cayman Porsche Cayman 2008 BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2013

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

Lowest Total Price: $80,375

Porsche Cayman S   
Difference: $9,220

Lowest Total Invoice: $69,785

Porsche Cayman S   
Difference: $12,880

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082013
ModelCayman6-Series Gran Coupe
TrimS650i
Body2dr Hatch4dr Sedan
Base Price $59,100 $87,200
Base Invoice $51,567 $80,405
Adaptive Sports Seats 3,055  
Auto-dimming rearview mirror 690  
Sport Chrono Package 920  
Adaptive dampers - electrical 1,990  
Xenon HID headlights 1,090  
Metallic paint (extra cost) 690  
Wood trim 890  
Carbon fiber / leather-wrapped steering wheel 1,360  
Floor mats 115  
Heated front seats 480  
Obstacle detection, rear 530  
Navigation system 3,110  
Automatic climate control, front 550  
Upholstered instrument panel, leather 1,735 1,500
5-speed shiftable automatic 3,210  
Adaptive Sports Seats 2,597  
Auto-dimming rearview mirror 587  
Sport Chrono Package 782  
Adaptive dampers - electrical 1,692  
Xenon HID headlights 927  
Metallic paint (extra cost) 587  
Wood trim 757  
Carbon fiber / leather-wrapped steering wheel 1,156  
Floor mats 98  
Heated front seats 408  
Obstacle detection, rear 451  
Navigation system 2,644  
Automatic climate control, front 468  
Upholstered instrument panel, leather 1,475 1,365
5-speed shiftable automatic 2,729  
Options (change) 20,415 1,500
Options (change) 17,358 1,365
Destination 860 895
Total Price $80,375 $89,595
Total Invoice $69,785 $82,665

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

Lowest Adjusted Price and Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $4,705
TrueDelta Adjusted Invoice Difference: $8,714
Model Year20082013
ModelCayman6-Series Gran Coupe
TrimS650i
Body2dr Hatch4dr Sedan
Engine295hp H6445hp V8
TransmissionT5T8
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)18/25 MPG17/25 MPG
Audio (watts, speakers)230, 7205, 9
Tire (rear if not all the same)235/40-18245/40-19
Total Price$80,375$89,595
Adjustments for Features0-4,515
Feature-Adjusted Total Price$80,375$85,080
Total Invoice$69,785$82,665
Adjustments for Features0-4,166
Feature-Adjusted Total Invoice$69,785$78,499

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Features Comparison: Porsche Cayman vs. BMW 6-Series Gran Coupe

Model Year20082013
ModelCayman6-Series Gran Coupe
TrimS650i
Body2dr Hatch4dr Sedan
Transmission and Drivetrain 
5-speed manually-shiftable automatic$1000 
8-speed manually-shiftable automatic $1300
RWD$0$0
Accessories 
Power rear side windows $200
Proximity key $250
Remote app $25
Remote window/roof operation $15
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
Brake assist $50
Knee airbag, driver $75
Knee airbag, passenger $75
Obstacle detection, front $150
Rearview camera $200
Side curtain airbags $350
Tires, run-flat $150
Cargo Management 
Cargo mat $40
Cargo net$40 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with manual controls $150
Residual heat $50
Water-repellent front-door glass$15 
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration$0 
Regenerative braking $0
Exterior 
Power-venting glass roof panel $300
Retractable rear spoiler$400 
Infotainment 
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
DVD-compatible player $0
HD radio $50
Media drive $15
MP3-compatible player $50
SMS text-to-speech reader $25
Telematics service, such as OnStar $200
Traffic information $25
USB port $25
Voice control for external devices $0
Voice control for nav and audio $100
Instruments, Lights, and Mirrors 
Automatic headlights $125
Chronometer$100 
Cornering lights $50
Fog light, rear$100 
Mirror tilt-down in reverse $25
Power-folding mirrors $50
Steering-linked headlights $150
Turn signals on or near mirrors $25
Seats and Interior Trim 
Carbon fiber / leather-wrapped steering wheel$150 
Folding second row seats $300
Leather-wrapped steering wheel $150
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 thigh bolsters, driver seat$100 
Power thigh bolsters, passenger seat$100 
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
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,030$6,545
Value of Feature Adjustments$0$4,515
Value of Feature Adjustments0-4,166

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Specifications Comparison: Porsche Cayman vs. BMW 6-Series Gran Coupe

Model Year20082013
ModelCayman6-Series Gran Coupe
Body2dr Hatch4dr Sedan
Wheelbase95.1 in116.9 in
Length170.9 in197.2 in
Width70.9 in74.6 in
Height51.4 in54.8 in
Curb Weight3,163 lb.4,430 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom0.0 in40.6 in
Row 1 Shoulder Room0.0 in56.7 in
Row 1 Legroom0.0 in42.1 in
Row 2 Headroom0.0 in37.0 in
Row 2 Shoulder Room0.0 in54.6 in
Row 2 Legroom0.0 in35.3 in
Cargo Volume14.5 ft316.2 ft3

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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 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
Power fore-aft adjuster, driver seat100Yes
Total Requested115085%
Total Not Requested20015%
Sport Chrono Package
FeatureValueRequested?
Chronometer100No
Electronic systems calibration selector200Yes
Total Requested20067%
Total Not Requested10033%

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