Porsche Boxster Porsche Boxster 2010 Pontiac Grand Prix Pontiac Grand Prix 2006

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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: $32,195

Pontiac Grand Prix GXP   
Difference: $24,615

Calculate Payments

  Down Payment Interest Rate Term
Model Year201020102006
ModelBoxsterBoxsterGrand Prix
TrimBaseSGXP
Body2dr Convertible2dr Convertible4dr Sedan
Base Price $47,600 $58,000 $27,330
Power Seat Package 1,550 1,550  
Metallic paint (extra cost) 710 710  
Floor mats 90 90 80
Satellite radio 750 750 325
Navigation system 3,110 3,110 2,390
Audio controls on steering wheel 990 990  
Automatic climate control, front 550 550  
Heated front seats 510 510  
Premium Package     1,015
Side curtain airbags     395
Power Seat Package 1,318 1,318  
Metallic paint (extra cost) 0 0  
Floor mats 0 0 66
Satellite radio 0 0 289
Navigation system 0 0 1,984
Audio controls on steering wheel 842 842  
Automatic climate control, front 468 468  
Heated front seats 0 0  
Premium Package     842
Side curtain airbags     352
Options (change) 8,260 8,260 4,205
Options (change) 2,628 2,628 3,533
Destination 950 950 660
Total Price $56,810 $67,210 $32,195

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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: Pontiac Grand Prix GXP
Lowest Adjusted Invoice: Porsche Boxster
TrueDelta Adjusted Price Difference: $21,660
TrueDelta Adjusted Invoice Difference: $26,628
Model Year201020102006
ModelBoxsterBoxsterGrand Prix
TrimBaseSGXP
Body2dr Convertible2dr Convertible4dr Sedan
Engine255hp H6310hp H6303hp V8
TransmissionM6M6T4
DrivetrainRWDRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)50, 4185, 7245, 9
Tire (rear if not all the same)205/55-17235/40-18255/45-18
Total Price$56,810$67,210$32,195
Adjustments for Features-2,955-2,9550
Feature-Adjusted Total Price$53,855$64,255$32,195
Cost Above Minimum$0$10,400$0

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Features Comparison: Porsche Boxster vs. Pontiac Grand Prix

Model Year201020102006
ModelBoxsterBoxsterGrand Prix
TrimBaseSGXP
Body2dr Convertible2dr Convertible4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150 
4-speed manually-shiftable automatic  $900
RWD$0$0 
FWD  $0
Accessories 
Power rear side windows  $200
Remote start  $150
Tilt steering wheel, manual  $150
Tilt/telescoping steering wheel, manual$250$250 
Universal garage door opener$100$100 
Brakes, Airbags, and Other Safety 
Brake assist$50$50 
Front side airbags$350$350 
Roll bar$200$200 
Side curtain airbags  $350
Cargo Management 
Overhead sunglass holder  $25
Climate Control 
Dual-zone climate control  $125
Heated windshield washer nozzles$15$15 
Water-repellent front-door glass$15$15 
Engine / Motor 
Mid-engine configuration$0$0 
Exterior 
Bodyside moldings  $75
Power convertible top$4000$4000 
Rear spoiler  $200
Retractable rear spoiler$400$400 
Infotainment 
Off-road navigation system$0$0 
Telematics service, such as OnStar  $200
Instruments, Lights, and Mirrors 
Automatic headlights  $125
Compass  $0
Fog light, rear$100$100 
Head-up display (HUD)  $350
Heated mirrors$25$25 
Seats and Interior Trim 
Folding passenger seat  $150
Folding second row seats  $300
Memory system, driver seat$200$200 
Power fore-aft adjuster, passenger seat$100$100 
Power height adjuster, passenger seat$100$100 
Power recliner, driver seat$100$100 
Power recliner, passenger seat$100$100 
Power tilt adjuster, passenger seat$100$100 
Synthetic suede inserts in leather seating surfaces  $0
Suspension, Wheels, and Tires 
Alloy wheels$350$350 
Performance steering system (optional)  $0
Polished alloy wheels  $350
Sport suspension (upgrade)  $0
Transmission 
Steering-wheel-mounted transmission controls  $100
Total Value of Features$6,705$6,705$3,750
Value of Feature Adjustments$2,955$2,955$0
Value of Feature Adjustments-186-1570

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Specifications Comparison: Porsche Boxster vs. Pontiac Grand Prix

Model Year20102006
ModelBoxsterGrand Prix
Body2dr Convertible4dr Sedan
Wheelbase95.1 in110.5 in
Length172.1 in198.3 in
Width70.9 in71.6 in
Height50.9 in55.9 in
Curb Weight2,944 lb.3,478 lb.
Fuel Capacity16.9 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
Porsche Boxster

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 seat150Yes
Power fore-aft adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested40047%
Total Not Requested45053%

Option Package Details
Porsche Boxster S

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 seat150Yes
Power fore-aft adjuster, passenger seat100No
Memory system, driver seat200No
Power height adjuster, passenger seat50No
Power tilt adjuster, passenger seat100No
Total Requested40047%
Total Not Requested45053%

Option Package Details
Pontiac Grand Prix GXP

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, front200Yes
Heated front seats200Yes
Folding passenger seat150No
Dual-zone climate control125No
Synthetic suede inserts in leather seating surfaces0No
Total Requested130083%
Total Not Requested27517%

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