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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: $31,750

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092012
ModelG8Cayman
TrimGXPS
Body4dr Sedan2dr Hatch
Base Price $37,610 $62,100
Power Seat Package   1,550
Metallic paint (extra cost)   710
Heated front seats   525
CD changer, in-dash   650
Automatic climate control, front   650
Limited-slip rear differential   950
7-speed automated manual   3,660
Power Seat Package   0
Metallic paint (extra cost)   0
Heated front seats   0
CD changer, in-dash   0
Automatic climate control, front   0
Limited-slip rear differential   0
7-speed automated manual   0
Options (change) 0 8,695
Options (change) 0 0
Destination 685 950
Gas Tax 1,700 0
Total Price $39,995 $71,745

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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 Pontiac G8 dealer quotes or Porsche Cayman dealer quotes from dealers using our car quote form.

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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: $32,345
TrueDelta Adjusted Invoice Difference: $36,412
Model Year20092012
ModelG8Cayman
TrimGXPS
Body4dr Sedan2dr Hatch
Engine415hp V8320hp H6
TransmissionT6S7
DrivetrainRWDRWD
EPA Fuel Economy (city/highway)13/20 MPG20/29 MPG
Audio (watts, speakers)230, 11235, 9
Tire (rear if not all the same)245/40-19235/40-18
Total Price$39,995$71,745
Adjustments for Features-5950
Feature-Adjusted Total Price$39,400$71,745

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Features Comparison: Pontiac G8 vs. Porsche Cayman

Model Year20092012
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 
Universal garage door opener $100
Brakes, Airbags, and Other Safety 
Side curtain airbags$350 
Cargo Management 
Rear seat pass-through$100 
Climate Control 
Dual-zone climate control$125 
Heated windshield washer nozzles $15
Interior air filter $0
Rear air vents$100 
Water-repellent front-door glass $15
Engine / Motor 
Mid-engine configuration $0
Exterior 
Hood scoop$100 
Rear spoiler$200 
Retractable rear spoiler $400
Infotainment 
Audio controls on steering wheel$125 
Satellite radio$200 
Telematics service, such as OnStar$200 
USB port$25 
Instruments, Lights, and Mirrors 
Automatic headlights$125 
Compass$0 
Fog light, rear $100
Heated mirrors $25
Interior ambient lighting $150
Outside temperature display $50
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 recliner, driver seat $100
Power recliner, passenger seat $100
Suspension, Wheels, and Tires 
Alloy wheels $350
Polished alloy wheels$350 
Sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,600$3,005
Value of Feature Adjustments$595$0
Value of Feature Adjustments-5640

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See a complete comparison of Pontiac G8 vs. Porsche Cayman features.

Specifications Comparison: Pontiac G8 vs. Porsche Cayman

Model Year20092012
ModelG8Cayman
Body4dr Sedan2dr Hatch
Wheelbase114.8 in95.1 in
Length196.1 in171.1 in
Width74.8 in70.9 in
Height57.7 in51.4 in
Curb Weight4,020 lb.3,075 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 ft314.5 ft3

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See a complete comparison of Pontiac G8 vs. Porsche Cayman specs.

Option Package Details
Porsche Cayman S

7-speed automated manual
FeatureValueRequested?
7-speed automated manual0Yes
Steering-wheel-mounted transmission controls100No
Total Requested00%
Total Not Requested100100%
Power Seat Package
FeatureValueRequested?
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat100Yes
Power 4-way lumbar adjuster, driver seat150No
Power fore-aft adjuster, passenger seat100Yes
Memory system, driver seat200No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat100Yes
Total Requested50059%
Total Not Requested35041%

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