Pontiac G8 Pontiac G8 2009 Porsche Cayman Porsche Cayman 2014

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Pontiac G8 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.

Pontiac G8 vs. Porsche Cayman Invoice Comparison

Lowest Total Price: $39,995

Pontiac G8 GXP   
Difference: $36,895

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092014
ModelG8Cayman
TrimGXPS
Body4dr Sedan2dr Hatch
Base Price $37,610 $63,800
Convenience Package   900
Power sport seats   2,320
Torque vectoring, brake-based   1,320
Adaptive dampers - electrical   1,790
Metallic paint (extra cost)   710
CD changer, in-dash   570
Audio controls on steering wheel   615
Satellite radio   670
7-speed automated manual   3,200
Convenience Package   0
Power sport seats   0
Torque vectoring, brake-based   0
Adaptive dampers - electrical   0
Metallic paint (extra cost)   0
CD changer, in-dash   0
Audio controls on steering wheel   0
Satellite radio   0
7-speed automated manual   0
Options (change) 0 12,095
Options (change) 0 0
Destination 685 995
Gas Tax 1,700 0
Total Price $39,995 $76,890

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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: Pontiac G8 vs. Porsche Cayman

Lowest Adjusted Price: Pontiac G8 GXP
Lowest Adjusted Invoice: Porsche Cayman S
TrueDelta Adjusted Price Difference: $34,690
TrueDelta Adjusted Invoice Difference: $36,960
Model Year20092014
ModelG8Cayman
TrimGXPS
Body4dr Sedan2dr Hatch
Engine415hp V8325hp H6
TransmissionT6S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)13/20 MPG21/30 MPG
Audio (watts, speakers)230, 11235, 9
Tire (rear if not all the same)245/40-19235/40-19
Total Price$39,995$76,890
Adjustments for Features0-2,205
Feature-Adjusted Total Price$39,995$74,685

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Features Comparison: Pontiac G8 vs. Porsche Cayman

Model Year20092014
ModelG8Cayman
TrimGXPS
Body4dr Sedan2dr Hatch
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
7-speed automated manual $1200
RWD$0$0
Accessories 
Power rear side windows$200 
Remote start$150 
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
Knee airbag, driver $75
Knee airbag, passenger $75
Torque vectoring, brake-based $100
Cargo Management 
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Interior air filter $0
Rear air vents$100 
Residual heat $50
Water-repellent front-door glass $15
Engine / Motor 
Automatic start / stop $150
Mid-engine configuration $0
Regenerative braking $0
Exterior 
Hood scoop$100 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Bluetooth audio streaming $25
Telematics service, such as OnStar$200 
USB port$25 
Instruments, Lights, and Mirrors 
Compass$0 
Fog light, rear $100
Heated mirrors $25
Outside temperature display $50
Xenon HID headlights $500
Seats and Interior Trim 
Center armrest(s), second row$50 
Leather door panel trim $250
Manual lumbar adjuster, driver seat$50 
Manual lumbar adjuster, passenger seat$50 
Memory system, driver seat $200
No leather in second row $-300
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power recliner, driver seat $100
Power recliner, passenger seat $100
Power thigh support length adjuster, driver seat $100
Power thigh support length adjuster, passenger seat $100
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Alloy wheels $350
Polished alloy wheels$350 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$2,925$5,130
Value of Feature Adjustments$0$2,205
Value of Feature Adjustments0-29

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Specifications Comparison: Pontiac G8 vs. Porsche Cayman

Model Year20092014
ModelG8Cayman
Body4dr Sedan2dr Hatch
Wheelbase114.8 in97.4 in
Length196.1 in172.4 in
Width74.8 in70.9 in
Height57.7 in50.9 in
Curb Weight4,020 lb.2,976 lb.
Fuel Capacity19.0 gal.16.9 gal.
Row 1 Headroom38.7 in0.0 in
Row 1 Shoulder Room59.1 in0.0 in
Row 1 Hip Room56.7 in0.0 in
Row 1 Legroom42.2 in0.0 in
Row 2 Headroom38.0 in0.0 in
Row 2 Shoulder Room59.1 in0.0 in
Row 2 Hip Room58.0 in0.0 in
Row 2 Legroom39.4 in0.0 in
Cargo Volume17.5 ft315.0 ft3

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Option Package Details
Porsche Cayman S

Torque vectoring / active trace control
FeatureValueRequested?
Torque vectoring / active trace control100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Total Requested00%
Total Not Requested100100%
Convenience Package
FeatureValueRequested?
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Residual heat50No
Automatic air recirculation100No
Total Requested52578%
Total Not Requested15022%
Power sport seats
FeatureValueRequested?
Tilt/telescoping steering wheel, power100No
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power thigh support adjuster, driver seat100No
Power fore-aft adjuster, passenger seat100Yes
Power 4-way lumbar adjuster, passenger seat150No
Power thigh support adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested50038%
Total Not Requested80062%

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