BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2013 Porsche Cayman Porsche Cayman 2007

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BMW 6-Series Gran Coupe 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.

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

Lowest Total Price: $77,275

Porsche Cayman S   
Difference: $10,820

Lowest Total Invoice: $67,135

Porsche Cayman S   
Difference: $14,165

Calculate Payments

  Down Payment Interest Rate Term
Model Year20132007
Model6-Series Gran CoupeCayman
Trim650iS
Body4dr Sedan2dr Hatch
Base Price $87,200 $58,900
Base Invoice $80,405 $51,392
Xenon HID headlights   1,090
Auto-dimming rearview mirror   690
Adaptive Sports Seats   3,055
Sport Chrono Package   920
Adaptive dampers - electrical   1,990
5-speed shiftable automatic   3,210
Navigation system   3,070
Audio controls on steering wheel   990
Wood trim   890
Automatic climate control, front   550
Obstacle detection, rear   530
Heated front seats   480
Floor mats   115
Xenon HID headlights   927
Auto-dimming rearview mirror   587
Adaptive Sports Seats   2,597
Sport Chrono Package   782
Adaptive dampers - electrical   1,692
5-speed shiftable automatic   2,729
Navigation system   2,610
Audio controls on steering wheel   842
Wood trim   757
Automatic climate control, front   468
Obstacle detection, rear   451
Heated front seats   408
Floor mats   98
Options (change) 0 17,580
Options (change) 0 14,948
Destination 895 795
Total Price $88,095 $77,275
Total Invoice $81,300 $67,135

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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 BMW 6-Series Gran Coupe dealer quotes or Porsche Cayman dealer quotes from dealers using our car quote form.

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

Lowest Adjusted Price and Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $6,355
TrueDelta Adjusted Invoice Difference: $10,044
Model Year20132007
Model6-Series Gran CoupeCayman
Trim650iS
Body4dr Sedan2dr Hatch
Engine445hp V8295hp H6
TransmissionT8T5
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)17/25 MPG20/27 MPG
Audio (watts, speakers)205, 9230, 7
Tire (rear if not all the same)245/40-19235/40-18
Total Price$88,095$77,275
Adjustments for Features-4,4650
Feature-Adjusted Total Price$83,630$77,275
Total Invoice$81,300$67,135
Adjustments for Features-4,1210
Feature-Adjusted Total Invoice$77,179$67,135

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

Model Year20132007
Model6-Series Gran CoupeCayman
Trim650iS
Body4dr Sedan2dr Hatch
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300 
5-speed manually-shiftable automatic $1000
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 
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 
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 
Folding second row seats$300 
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 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 
Upholstered instrument panel$300 
Transmission 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,570$2,105
Value of Feature Adjustments$4,465$0
Value of Feature Adjustments-4,1210

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

Model Year20132007
Model6-Series Gran CoupeCayman
Body4dr Sedan2dr Hatch
Wheelbase116.9 in95.1 in
Length197.2 in170.9 in
Width74.6 in70.9 in
Height54.8 in51.4 in
Curb Weight4,430 lb.3,163 lb.
Fuel Capacity18.5 gal.17.0 gal.
Row 1 Headroom40.6 in0.0 in
Row 1 Shoulder Room56.7 in0.0 in
Row 1 Legroom42.1 in0.0 in
Row 2 Headroom37.0 in0.0 in
Row 2 Shoulder Room54.6 in0.0 in
Row 2 Legroom35.3 in0.0 in
Cargo Volume16.2 ft314.5 ft3

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Option Package Details
Porsche Cayman S

Xenon HID headlights
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50Yes
Total Requested550100%
Total Not Requested00%
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%
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%

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