Porsche Boxster Porsche Boxster 2006 Pontiac Grand Prix Pontiac Grand Prix 2008

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Porsche Boxster vs. Pontiac Grand Prix 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 Boxster vs. Pontiac Grand Prix Invoice Comparison

Lowest Total Price: $0

Porsche Boxster S   
Difference: $27,405

Calculate Payments

  Down Payment Interest Rate Term
Model Year200620062008
ModelBoxsterBoxsterGrand Prix
TrimBaseSBase
Body2dr Convertible2dr Convertible4dr Sedan
Base Price $0 $0 $22,210
Navigation system 0 0 2,540
Premium Package     940
Folding passenger seat     75
Preferred Package     890
Navigation system 0 0 2,108
Premium Package     780
Folding passenger seat     62
Preferred Package     739
Options (change) 0 0 4,445
Options (change) 0 0 3,689
Destination 0 0 750
Total Price $0 $0 $27,405

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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 Porsche Boxster dealer quotes or Pontiac Grand Prix dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Porsche Boxster vs. Pontiac Grand Prix

Lowest Adjusted Price and Invoice: Porsche Boxster S
TrueDelta Adjusted Price Difference: $20,415
TrueDelta Adjusted Invoice Difference: $18,802
Model Year200620062008
ModelBoxsterBoxsterGrand Prix
TrimBaseSBase
Body2dr Convertible2dr Convertible4dr Sedan
Engine240hp H6280hp H6200hp V6
TransmissionM5M6A4
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4230, 7245, 9
Tire (rear if not all the same)205/55-17235/40-18225/60-16
Total Price$0$0$27,405
Adjustments for Features0-150-7,140
Feature-Adjusted Total Price$0$-150$20,265
Cost Above Minimum$150$0$0

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Features Comparison: Porsche Boxster vs. Pontiac Grand Prix

Model Year200620062008
ModelBoxsterBoxsterGrand Prix
TrimBaseSBase
Body2dr Convertible2dr Convertible4dr Sedan
Transmission and Drivetrain 
5-speed manual$0  
6-speed manual $150 
4-speed automatic  $800
RWD$0$0 
FWD  $0
Accessories 
Cruise control  $150
Power front side windows  $250
Power locks  $275
Power rear side windows  $200
Remote keyless entry, extended range  $225
Remote start  $150
Tilt steering wheel, manual  $150
Brakes, Airbags, and Other Safety 
4-wheel disc brakes  $150
Tire-pressure monitor  $75
Cargo Management 
Cargo net  $40
Console with shifter  $150
Overhead sunglass holder  $25
Climate Control 
Air conditioning  $900
Automatic climate control, front  $200
Dual-zone climate control  $125
Interior air filter  $0
Rear defrost  $200
Variable intermittent wipers  $75
Engine / Motor 
Mid-engine configuration$0$0 
Exterior 
Bodyside moldings  $75
Rear spoiler  $200
Infotainment 
Audio controls on steering wheel  $125
CD player  $125
Telematics service, such as OnStar  $200
Instruments, Lights, and Mirrors 
Automatic headlights  $125
Compass  $0
Illuminated visor mirror, driver  $50
Illuminated visor mirror, passenger  $50
Outside temperature display  $50
Power mirrors  $150
Tachometer  $75
Trip computer  $150
Seats and Interior Trim 
Center armrest(s), front row  $75
Folding passenger seat  $150
Folding second row seats  $300
Heated front seats  $200
Leather-wrapped steering wheel  $150
Power fore-aft adjuster, driver seat  $100
Power height adjuster, driver seat  $100
Power lumbar adjuster, driver seat  $100
Power tilt adjuster, driver seat  $100
Suspension, Wheels, and Tires 
Alloy wheels  $350
Total Value of Features$0$150$7,140
Value of Feature Adjustments$0$150$7,140
Value of Feature Adjustments00-6,625

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Specifications Comparison: Porsche Boxster vs. Pontiac Grand Prix

Model Year20062008
ModelBoxsterGrand Prix
Body2dr Convertible4dr Sedan
Wheelbase95.1 in110.5 in
Length170.4 in198.3 in
Width70.9 in71.6 in
Height51.0 in55.9 in
Curb Weight2,856 lb.3,478 lb.
Fuel Capacity17.0 gal.17.0 gal.
Row 1 Headroom38.4 in38.8 in
Row 1 Shoulder Room51.7 in58.0 in
Row 1 Hip Room53.4 in54.5 in
Row 1 Legroom41.6 in42.2 in
Row 2 Headroom0.0 in36.2 in
Row 2 Shoulder Room0.0 in54.8 in
Row 2 Hip Room0.0 in54.3 in
Row 2 Legroom0.0 in36.2 in
Cargo Volume9.9 ft316.0 ft3

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Option Package Details
Pontiac Grand Prix

Navigation system
FeatureValueRequested?
Navigation system600Yes
Monsoon, 245W, 9 speakers (with subwoofer)350No
Total Requested60063%
Total Not Requested35037%
Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Automatic climate control, front200No
Heated front seats200No
Dual-zone climate control125No
Total Requested90063%
Total Not Requested52537%
Preferred Package
FeatureValueRequested?
Audio controls on steering wheel125No
Illuminated visor mirror, driver40No
Illuminated visor mirror, passenger40No
Power lumbar adjuster, driver seat100No
Trip computer150No
Leather-wrapped steering wheel150No
Outside temperature display50No
Compass0No
Map lights25No
Cargo net40No
Overhead sunglass holder25No
Remote start150No
Remote keyless entry, extended range0No
Total Requested00%
Total Not Requested895100%

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