BMW 6-Series Gran Coupe BMW 6-Series Gran Coupe 2014 Porsche 718 Cayman Porsche 718 Cayman 2017

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BMW 6-Series Gran Coupe vs. Porsche 718 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 718 Cayman Invoice Comparison

Lowest Total Price: $96,740

Porsche 718 Cayman S   
Difference: $38,735

Calculate Payments

  Down Payment Interest Rate Term
Model Year20142017
Model6-Series Gran Coupe718 Cayman
TrimM6S
Body4dr Sedan2dr Hatch
Base Price $115,000 $66,300
Executive Package 5,500  
Ceramic brake rotors 9,250 7,400
Wood trim 0 1,810
Upholstered instrument panel, leather 3,500 2,160
Porsche Connect Plus   1,300
Navigation system   1,730
Torque vectoring, brake-based   1,320
LED headlights   1,170
Heated steering wheel   470
Adaptive sport seats plus   3,825
Premium Package Plus   3,170
6-speed manual   0
Sport suspension (upgrade)   2,070
Synthetic suede headliner   1,180
Illuminated door sill trim plates   825
Power-folding mirrors   320
Voice control for nav and audio   0
Metallic paint (extra cost)   640
Executive Package 5,005  
Ceramic brake rotors 8,420 0
Wood trim 0 0
Upholstered instrument panel, leather 3,185 0
Porsche Connect Plus   0
Navigation system   0
Torque vectoring, brake-based   0
LED headlights   0
Heated steering wheel   0
Adaptive sport seats plus   0
Premium Package Plus   0
6-speed manual   0
Sport suspension (upgrade)   0
Synthetic suede headliner   0
Illuminated door sill trim plates   0
Power-folding mirrors   0
Voice control for nav and audio   0
Metallic paint (extra cost)   0
Options (change) 18,250 29,390
Options (change) 16,610 0
Destination 925 1,050
Gas Tax 1,300 0
Total Price $135,475 $96,740

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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: BMW 6-Series Gran Coupe vs. Porsche 718 Cayman

Lowest Adjusted Price and Invoice: Porsche 718 Cayman S
TrueDelta Adjusted Price Difference: $34,150
TrueDelta Adjusted Invoice Difference: $119,541
Model Year20142017
Model6-Series Gran Coupe718 Cayman
TrimM6S
Body4dr Sedan2dr Hatch
Engine560hp V8350hp H4
TransmissionS7M6
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)14/20 MPG20/26 MPG
Audio (watts, speakers)500, 12110, 6
Tire (rear if not all the same)265/35-20235/40-19
Total Price$135,475$96,740
Adjustments for Features-4,5850
Feature-Adjusted Total Price$130,890$96,740

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Features Comparison: BMW 6-Series Gran Coupe vs. Porsche 718 Cayman

Model Year20142017
Model6-Series Gran Coupe718 Cayman
TrimM6S
Body4dr Sedan2dr Hatch
Transmission and Drivetrain 
7-speed automated manual$1200 
6-speed manual $150
RWD$0$0
Accessories 
Power door closers$300 
Power rear side windows$200 
Remote window/roof operation$15 
Sunshade, rear, power$225 
Sunshades, second row$125 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Torque vectoring, brake-based $100
Cargo Management 
Cargo mat$40 
Cargo net $40
Rear seat pass-through$100 
Ski sack$50 
Climate Control 
Rear air vents with automatic controls$250 
Rear dual-zone climate control$125 
Water-repellent front-door glass $15
Drivetrain 
Active rear differential$500 
Limited-slip rear differential $300
Engine / Motor 
Mid-engine configuration $0
Exterior 
Carbon fiber body panels$250 
Retractable rear spoiler $400
Infotainment 
4G LTE connectivity $0
Apple CarPlay support $100
Concierge Services - 3 year subscription$150 
DVD-Audio-compatible player $0
DVD-compatible player$0 
Handwriting recognition $200
Media drive$15 
Media drive, small $5
Navigation map updates, three years $0
Off-road navigation system $0
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
SD Card slot $25
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Surround sound$250 
Text dictation$50 
Traffic + travel information$25 
Traffic information $25
Voice control for external devices$0 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Cornering lights$50 
Fog light, rear $100
Head-up display (HUD)$350 
Mirror tilt-down in reverse$25 
Turn signals on or near mirrors$25 
Seats and Interior Trim 
Center armrest(s), second row$50 
Folding second row seats$300 
Heated second row seats$200 
Massage, driver seat$100 
Massage, passenger seat$100 
Memory system, passenger seat$150 
No leather in second row $-300
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 upper seatback recliner, driver seat$100 
Power upper seatback recliner, passenger seat$100 
Suspension, Wheels, and Tires 
Electronic systems calibration selector$200 
Transmission 
Launch control$100 
Steering-wheel-mounted transmission controls$100 
Total Value of Features$6,195$1,610
Value of Feature Adjustments$4,585$0
Value of Feature Adjustments-4,2240

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Specifications Comparison: BMW 6-Series Gran Coupe vs. Porsche 718 Cayman

Model Year20142017
Model6-Series Gran Coupe718 Cayman
Body4dr Sedan2dr Hatch
Wheelbase116.9 in97.4 in
Length197.2 in172.4 in
Width74.6 in70.9 in
Height54.8 in51.0 in
Curb Weight4,430 lb.2,988 lb.
Fuel Capacity18.5 gal.14.3 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 ft315.0 ft3

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Option Package Details
BMW 6-Series Gran Coupe M6

Executive Package
FeatureValueRequested?
Heated second row seats200No
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Sunshade, rear, power225No
Massage, driver seat100No
Massage, passenger seat100No
Heated steering wheel100Yes
Head-up display (HUD)350No
Auto-dimming headlights200Yes
LED headlights500Yes
Total Requested110050%
Total Not Requested110050%

Option Package Details
Porsche 718 Cayman S

Navigation system
FeatureValueRequested?
Navigation system600Yes
Off-road navigation system0No
Handwriting recognition200No
Total Requested60075%
Total Not Requested20025%
Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Heated steering wheel
FeatureValueRequested?
Heated steering wheel100Yes
Audio controls on steering wheel125Yes
Total Requested225100%
Total Not Requested00%
Upholstered instrument panel, leather
FeatureValueRequested?
Upholstered instrument panel, leather800Yes
Leather upholstery, extended coverage0No
Total Requested800100%
Total Not Requested00%
Sport suspension (upgrade)
FeatureValueRequested?
Sport suspension (upgrade)250Yes
Adaptive dampers - electrical500Yes
Total Requested750100%
Total Not Requested00%
Porsche Connect Plus
FeatureValueRequested?
Traffic information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
4G LTE connectivity0No
Navigation map updates, three years0No
App support0Yes
Remote app25Yes
Apple CarPlay support100No
Telematics service, such as OnStar200Yes
Total Requested40073%
Total Not Requested15027%
Adaptive sport seats plus
FeatureValueRequested?
Power thigh bolsters, driver seat100No
Power seatback bolsters, driver seat100Yes
Power thigh bolsters, passenger seat100No
Power seatback bolsters, 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 thigh support length adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Power thigh support length adjuster, passenger seat100Yes
Memory system, driver seat200Yes
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Tilt/telescoping steering wheel, power100Yes
Front sport buckets100Yes
Total Requested160089%
Total Not Requested20011%
Premium Package Plus
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Proximity key250Yes
Perimeter approach lighting25No
Interior ambient lighting150Yes
Rain-sensing wipers100Yes
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Auto-dimming rearview mirror150Yes
Headlight washers50Yes
Steering-linked headlights150Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50Yes
Automatic air recirculation100Yes
Automatic climate control, front200Yes
Total Requested197599%
Total Not Requested251%

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