Porsche Boxster Porsche Boxster 2009 Pontiac Grand Prix Pontiac Grand Prix 2007

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $32,319

Pontiac Grand Prix GXP   
Difference: $23,481

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092007
ModelBoxsterBoxsterGrand Prix
TrimBaseSGXP
Body2dr Convertible2dr Convertible4dr Sedan
Base Price $46,600 $56,700 $28,815
Power Seat Package 1,550 1,550  
Metallic paint (extra cost) 710 710  
Floor mats 90 90 80
Satellite radio 750 750 199
Navigation system 3,110 3,110 2,145
Audio controls on steering wheel 990 990  
Automatic climate control, front 550 550  
Heated front seats 500 500  
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 0 165
Navigation system 0 0 1,780
Audio controls on steering wheel 842 842  
Automatic climate control, front 468 468  
Heated front seats 0 0  
Side curtain airbags     328
Options (change) 8,250 8,250 2,819
Options (change) 2,628 2,628 2,339
Destination 950 950 685
Total Price $55,800 $65,900 $32,319

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Porsche Boxster dealer quotes or Pontiac Grand Prix dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

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: $20,526
TrueDelta Adjusted Invoice Difference: $26,865
Model Year200920092007
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$55,800$65,900$32,319
Adjustments for Features-2,955-2,9550
Feature-Adjusted Total Price$52,845$62,945$32,319
Cost Above Minimum$0$10,100$0

Return to top

Features Comparison: Porsche Boxster vs. Pontiac Grand Prix

Model Year200920092007
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 keyless entry$225$225 
Remote keyless entry, extended range  $225
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$6,930$6,930$3,975
Value of Feature Adjustments$2,955$2,955$0
Value of Feature Adjustments-189-1600

Return to top

Specifications Comparison: Porsche Boxster vs. Pontiac Grand Prix

Model Year20092007
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

Return to top

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%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Porsche models.