Porsche 911 Porsche 911 2017 Pontiac Grand Prix Pontiac Grand Prix 2008

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

Join Us

Porsche 911 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 911 vs. Pontiac Grand Prix Invoice Comparison

Lowest Total Price: $29,950

Pontiac Grand Prix   
Difference: $71,620

Lowest Total Invoice: $27,539

Pontiac Grand Prix   
Difference: $63,425

Calculate Payments

  Down Payment Interest Rate Term
Model Year201720172017201720172008
Model911911911911911Grand Prix
TrimCarreraCarrera SCarrera GTSTurboTurbo SBase
Body2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe4dr Sedan
Base Price $89,400 $103,400 $119,000 $159,200 $188,100 $22,210
Base Invoice $80,460 $93,060 $107,100 $143,280 $169,290 $20,988
Heated steering wheel 470 470   0 0  
Metallic paint (extra cost) 710 710 710      
Sunroof 1,990 1,990 1,990   1,990  
Larger rear spoiler 4,500 4,500 1,500     380
Polished alloy wheels 1,180 1,570     0 495
245/35ZR20 1,580          
Heated front seats 690 690 690      
Carbon fiber / leather-wrapped steering wheel     470      
Wood trim         0  
Security Package           995
Premium Package           940
Folding passenger seat           75
Preferred Package           890
Navigation system           1,845
Satellite radio           200
Floor mats           80
Sun and Sound Package           1,090
Heated steering wheel 400 400   0 0  
Metallic paint (extra cost) 604 604 604      
Sunroof 1,692 1,692 1,692   1,692  
Larger rear spoiler 3,825 3,825 1,275     315
Polished alloy wheels 1,003 1,335     0 411
245/35ZR20 1,343          
Heated front seats 587 587 587      
Carbon fiber / leather-wrapped steering wheel     400      
Wood trim         0  
Security Package           826
Premium Package           780
Folding passenger seat           62
Preferred Package           739
Navigation system           1,531
Satellite radio           166
Floor mats           66
Sun and Sound Package           905
Options (change) 11,120 9,930 5,360 0 1,990 6,990
Options (change) 9,454 8,443 4,558 0 1,692 5,801
Destination 1,050 1,050 1,050 1,050 1,050 750
Total Price $101,570 $114,380 $125,410 $160,250 $191,140 $29,950
Total Invoice $90,964 $102,553 $112,708 $144,330 $172,032 $27,539

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 911 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 911 vs. Pontiac Grand Prix

Lowest Adjusted Price and Invoice: Pontiac Grand Prix
TrueDelta Adjusted Price Difference: $66,825
TrueDelta Adjusted Invoice Difference: $59,131
Model Year201720172017201720172008
Model911911911911911Grand Prix
TrimCarreraCarrera SCarrera GTSTurboTurbo SBase
Body2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe4dr Sedan
Engine370hp H6420hp H6450hp H6540hp H6580hp H6200hp V6
TransmissionM7M7M7S7S7A4
DrivetrainRWDRWDRWDAWDAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 8?, 8555, 12555, 12245, 9
Tire (rear if not all the same)245/35-20245/35-20245/35-20245/35-20245/35-20225/60-16
Total Price$101,570$114,380$125,410$160,250$191,140$29,950
Adjustments for Features-4,795-5,195-7,245-14,245-19,6450
Feature-Adjusted Total Price$96,775$109,185$118,165$146,005$171,495$29,950
Cost Above Minimum$0$12,410$21,390$49,230$74,720$0
Total Invoice$90,964$102,553$112,708$144,330$172,032$27,539
Adjustments for Features-4,294-4,658-6,511-12,830-17,6810
Feature-Adjusted Total Invoice$86,670$97,895$106,197$131,500$154,351$27,539
Cost Above Minimum$0$11,225$19,527$44,830$67,681$0

Return to top

Features Comparison: Porsche 911 vs. Pontiac Grand Prix

Model Year201720172017201720172008
Model911911911911911Grand Prix
TrimCarreraCarrera SCarrera GTSTurboTurbo SBase
Body2dr Coupe2dr Coupe2dr Coupe2dr Coupe2dr Coupe4dr Sedan
Transmission and Drivetrain 
7-speed manual$300$300$300   
7-speed automated manual   $1200$1200 
4-speed automatic     $800
RWD$0$0$0   
AWD   $1700$1700 
FWD     $0
Accessories 
Heated steering wheel$100$100$100$100$100 
Power rear side windows     $200
Remote app$25$25$25$25$25 
Remote keyless entry$225$225$225$225$225 
Remote keyless entry, extended range     $225
Remote start     $150
Remote window/roof operation$15$15$15$15$15 
Tilt steering wheel, manual     $150
Tilt/telescoping steering wheel, manual$250$250$250   
Tilt/telescoping steering wheel, power   $350$350 
Universal garage door opener$100$100$100$100$100 
Brakes, Airbags, and Other Safety 
Brake assist$50$50$50$50$50 
Ceramic brake rotors    $4000 
Front side airbags$350$350$350$350$350 
Knee airbag, driver$75$75$75$75$75 
Knee airbag, passenger$75$75$75$75$75 
Obstacle detection, front$150$150$150$150$150 
Obstacle detection, rear$250$250$250$250$250 
Rearview camera$200$200$200$200$200 
Secondary collision brake assist$25$25$25$25$25 
Stability control$400$400$400$400$400 
Temporary spare tire     $150
Torque vectoring, brake-based $100$100$100$100 
Cargo Management 
Cargo net     $40
Overhead sunglass holder     $25
Climate Control 
Automatic air recirculation$100$100$100$100$100 
Heated windshield washer nozzles$15$15$15$15$15 
Rain-sensing wipers$175$175$175$175$175 
Residual heat$50$50$50$50$50 
Variable intermittent wipers     $75
Water-repellent front-door glass$15$15$15$15$15 
Drivetrain 
Electronically-variable engine mounts (performance-oriented)  $500$500$500 
Limited-slip rear differential $300$300$300$300 
Engine / Motor 
Automatic start / stop$150$150$150$150$150 
Dual-mode exhaust, switchable  $500   
Rear-engine configuration$0$0$0$0$0 
Regenerative braking$0$0$0$0$0 
Exterior 
Active front spoiler   $500$500 
Active grille shutters$0$0$0$0$0 
Active rear spoiler$300$300$300$300$300 
Black exterior trim (optional)  $0   
Body kit (gray/black)  $0$0$0 
Bodyside moldings     $75
Bright-finished exhaust tip(s)$25$25$25$25$25 
Larger rear spoiler$200$200$200  $200
Painted brake calipers (optional) $0$0$0$0 
Retractable rear spoiler$400$400$400   
Tall rear wing-type spoiler   $500$500 
Infotainment 
4G LTE connectivity$0$0$0$0$0 
App support$0$0$0$0$0 
Apple CarPlay support$100$100$100$100$100 
Aux input$50$50$50$50$50 
Bluetooth audio streaming$25$25$25$25$25 
Bluetooth cell phone link$100$100$100$100$100 
DVD-Audio-compatible player$0$0$0$0$0 
Handwriting recognition$200$200$200$200$200 
HD radio$50$50$50$50$50 
In-vehicle Internet$150$150$150$150$150 
Media drive$15$15$15$15$15 
MP3-compatible player$50$50$50$50$50 
Navigation map updates, three years$0$0$0$0$0 
Off-road navigation system$0$0$0$0$0 
SD Card slot$25$25$25$25$25 
Surround sound   $250$250 
Traffic information$25$25$25$25$25 
USB port$25$25$25$25$25 
Voice control for nav and audio$100$100$100$100$100 
Wi-Fi hotspot$50$50$50$50$50 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror   $75$75 
Auto-dimming headlights    $200 
Auto-dimming passenger-side mirror   $75$75 
Auto-dimming rearview mirror   $150$150 
Boost gauge$75$75$75$75$75 
Chronometer  $100$100$100 
Compass     $0
Cornering lights  $50$50$50 
Fog light, rear$100$100$100$100$100 
Headlight washers  $50$50$50 
Heated mirrors$25$25$25$25$25 
LED headlights   $1000$1000 
Performance data recording app  $200   
Performance meter  $150$150$150 
Steering-linked headlights  $150$150$150 
Xenon HID headlights$500$500$500   
Seats and Interior Trim 
Aluminum trim  $100   
Carbon fiber / leather-wrapped steering wheel  $150   
Door sill trim plates$100$100$100$100$100 
Folding passenger seat     $150
Folding second row seats     $300
Folding second row seats w/o opening to trunk$75$75$75$75$75 
Leather door panel trim$250$250 $250$250 
Leather-wrapped steering wheel$150$150 $150$150$150
Memory system, driver seat   $200$200 
Metal pedals$75$75$75$75$75 
Power 4-way lumbar adjuster, driver seat   $150$150 
Power 4-way lumbar adjuster, passenger seat   $150$150 
Power fore-aft adjuster, driver seat   $100$100$100
Power fore-aft adjuster, passenger seat   $100$100 
Power height adjuster, passenger seat$100$100$100$100$100 
Power lumbar adjuster, driver seat     $100
Power recliner, driver seat$100$100$100$100$100 
Power recliner, passenger seat$100$100$100$100$100 
Power seatback bolsters, driver seat    $100 
Power seatback bolsters, passenger seat    $100 
Power thigh bolsters, driver seat    $100 
Power thigh bolsters, passenger seat    $100 
Power thigh support length adjuster, driver seat   $100$100 
Power thigh support length adjuster, passenger seat   $100$100 
Power tilt adjuster, driver seat   $100$100$100
Power tilt adjuster, passenger seat   $100$100 
Synthetic suede door panel trim  $250   
Synthetic suede headliner$650$650$650$650$650 
Synthetic suede inserts in leather seating surfaces  $0   
Upholstered instrument panel, leather   $1000$1000 
Wood trim    $300 
Suspension, Wheels, and Tires 
Active stabilizer bars    $500 
Adaptive dampers - electrical$500$500$500$500$500 
Alloy wheels  $350   
Electronic systems calibration selector  $200$200$200 
Polished alloy wheels$350$350 $350$350$350
Rear wheel steering   $1500$1500 
Transmission 
Downshift rev matching  $50   
Steering-wheel-mounted transmission controls   $100$100 
Total Value of Features$8,135$8,535$10,585$17,585$22,985$3,340
Value of Feature Adjustments$4,795$5,195$7,245$14,245$19,645$0
Value of Feature Adjustments-4,294-4,658-6,511-12,830-17,6810

Return to top

Specifications Comparison: Porsche 911 vs. Pontiac Grand Prix

Model Year20172008
Model911Grand Prix
Body2dr Coupe4dr Sedan
Wheelbase96.5 in110.5 in
Length177.1 in198.3 in
Width71.2 in71.6 in
Height50.9 in55.9 in
Curb Weight3,154 lb.3,478 lb.
Fuel Capacity16.9 gal.17.0 gal.
Row 1 Headroom0.0 in38.8 in
Row 1 Shoulder Room0.0 in58.0 in
Row 1 Hip Room0.0 in54.5 in
Row 1 Legroom0.0 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 Volume,
Minimum
5.1 ft316.0 ft3
Cargo Volume,
Maximum
14.3 ft316.0 ft3

Return to top

Option Package Details
Pontiac Grand Prix

Navigation system
FeatureValueRequested?
Navigation system600Yes
Monsoon, 245W, 9 speakers (with subwoofer)350No
Total Requested60063%
Total Not Requested35037%
Security Package
FeatureValueRequested?
Antilock brakes (ABS)400Yes
Traction control100Yes
Side curtain airbags350Yes
Total Requested850100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Automatic climate control, front200Yes
Heated front seats200Yes
Dual-zone climate control125Yes
Total Requested1425100%
Total Not Requested00%
Preferred Package
FeatureValueRequested?
Audio controls on steering wheel125Yes
Illuminated visor mirror, driver40Yes
Illuminated visor mirror, passenger40Yes
Power lumbar adjuster, driver seat100Yes
Trip computer150Yes
Leather-wrapped steering wheel150Yes
Outside temperature display50Yes
Compass0No
Map lights25No
Cargo net40No
Overhead sunglass holder25No
Remote start150No
Remote keyless entry, extended range0No
Total Requested65573%
Total Not Requested24027%
Sun and Sound Package
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200No
Monsoon, 245W, 9 speakers (with subwoofer)350No
Total Requested90062%
Total Not Requested55038%

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 Coupes and Convertibles.
See TrueDelta's information for all Porsche models.