Pontiac G8 Pontiac G8 2009 Porsche 911 Porsche 911 2017

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Pontiac G8 vs. Porsche 911 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 911 Invoice Comparison

Lowest Total Price: $34,590

Pontiac G8 GT   
Difference: $63,800

Lowest Total Invoice: $32,478

Pontiac G8 GT   
Difference: $55,783

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092017201720172017
ModelG8G8911911911911
TrimGTGXPCarreraCarrera STurboTurbo S
Body4dr Sedan4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Base Price $31,755 $37,610 $89,400 $103,400 $159,200 $188,100
Base Invoice $30,008 $35,541 $80,460 $93,060 $143,280 $169,290
Premium Package 1,250          
Sunroof 900 900 1,990 1,990   1,990
Heated steering wheel     470 470 0 0
Torque vectoring, brake-based     1,320      
Metallic paint (extra cost)     710 710    
Heated front seats     690 690    
Polished alloy wheels     1,180 1,570   0
245/35ZR20     1,580      
Wood trim           0
Premium Package 1,038          
Sunroof 747 747 1,692 1,692   1,692
Heated steering wheel     400 400 0 0
Torque vectoring, brake-based     1,122      
Metallic paint (extra cost)     604 604    
Heated front seats     587 587    
Polished alloy wheels     1,003 1,335   0
245/35ZR20     1,343      
Wood trim           0
Options (change) 2,150 900 7,940 5,430 0 1,990
Options (change) 1,785 747 6,751 4,618 0 1,692
Destination 685 685 1,050 1,050 1,050 1,050
Gas Tax 0 1,700 0 0 0 0
Total Price $34,590 $40,895 $98,390 $109,880 $160,250 $191,140
Total Invoice $32,478 $38,673 $88,261 $98,728 $144,330 $172,032

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

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TrueDelta Value Comparison: Pontiac G8 vs. Porsche 911

Lowest Adjusted Price and Invoice: Pontiac G8 GT
TrueDelta Adjusted Price Difference: $60,280
TrueDelta Adjusted Invoice Difference: $52,625
Model Year200920092017201720172017
ModelG8G8911911911911
TrimGTGXPCarreraCarrera STurboTurbo S
Body4dr Sedan4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Engine361hp V8415hp V8370hp H6420hp H6540hp H6580hp H6
TransmissionT6T6M7M7S7S7
DrivetrainRWDRWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)230, 11230, 11?, 8?, 8555, 12555, 12
Tire (rear if not all the same)245/45-18245/40-19245/35-20245/35-20245/35-20245/35-20
Total Price$34,590$40,895$98,390$109,880$160,250$191,140
Adjustments for Features0-75-3,520-3,520-12,770-18,170
Feature-Adjusted Total Price$34,590$40,820$94,870$106,360$147,480$172,970
Cost Above Minimum$0$6,230$0$11,490$52,610$78,100
Total Invoice$32,478$38,673$88,261$98,728$144,330$172,032
Adjustments for Features0-71-3,158-3,163-11,501-16,354
Feature-Adjusted Total Invoice$32,478$38,602$85,103$95,565$132,829$155,678
Cost Above Minimum$0$6,124$0$10,462$47,726$70,575

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Features Comparison: Pontiac G8 vs. Porsche 911

Model Year200920092017201720172017
ModelG8G8911911911911
TrimGTGXPCarreraCarrera STurboTurbo S
Body4dr Sedan4dr Sedan2dr Coupe2dr Coupe2dr Coupe2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100    
7-speed manual  $300$300  
7-speed automated manual    $1200$1200
RWD$0$0$0$0  
AWD    $1700$1700
Accessories 
Heated steering wheel  $100$100$100$100
Power rear side windows$200$200    
Remote app  $25$25$25$25
Remote start$150$150    
Remote window/roof operation  $15$15$15$15
Tilt/telescoping steering wheel, manual$250$250$250$250  
Tilt/telescoping steering wheel, power    $350$350
Universal garage door opener  $100$100$100$100
Brakes, Airbags, and Other Safety 
Ceramic brake rotors     $4000
Knee airbag, driver  $75$75$75$75
Knee airbag, passenger  $75$75$75$75
Obstacle detection, front  $150$150$150$150
Obstacle detection, rear  $250$250$250$250
Rearview camera  $200$200$200$200
Secondary collision brake assist  $25$25$25$25
Torque vectoring, brake-based  $100$100$100$100
Cargo Management 
Cargo net$40$40    
Rear seat pass-through$100$100    
Climate Control 
Automatic air recirculation  $100$100$100$100
Heated windshield washer nozzles  $15$15$15$15
Interior air filter  $0$0$0$0
Rain-sensing wipers  $175$175$175$175
Rear air vents$100$100    
Residual heat  $50$50$50$50
Variable intermittent wipers$75$75    
Water-repellent front-door glass  $15$15$15$15
Drivetrain 
Electronically-variable engine mounts (performance-oriented)    $500$500
Engine / Motor 
Automatic start / stop  $150$150$150$150
Rear-engine configuration  $0$0$0$0
Regenerative braking  $0$0$0$0
Exterior 
Active front spoiler    $500$500
Active grille shutters  $0$0$0$0
Active rear spoiler  $300$300$300$300
Body kit (gray/black)    $0$0
Hood scoop$100$100    
Painted brake calipers (optional)   $0$0$0
Rear spoiler$200$200    
Retractable rear spoiler  $400$400  
Tall rear wing-type spoiler    $500$500
Infotainment 
4G LTE connectivity  $0$0$0$0
App support  $0$0$0$0
Apple CarPlay support  $100$100$100$100
Bluetooth audio streaming  $25$25$25$25
CD changer, in-dash$325$325    
CD player  $125$125$125$125
DVD-Audio-compatible player  $0$0$0$0
Handwriting recognition  $200$200$200$200
HD radio  $50$50$50$50
In-vehicle Internet  $150$150$150$150
Media drive  $15$15$15$15
Navigation map updates, three years  $0$0$0$0
Navigation system  $600$600$600$600
Off-road navigation system  $0$0$0$0
SD Card slot  $25$25$25$25
Surround sound    $250$250
Traffic information  $25$25$25$25
Voice control for nav and audio  $100$100$100$100
Wi-Fi hotspot  $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
Chronometer    $100$100
Compass$0$0    
Cornering lights    $50$50
Fog light, rear  $100$100$100$100
Fog lights$125$125    
Headlight washers    $50$50
Heated mirrors  $25$25$25$25
LED headlights    $1000$1000
Outside temperature display  $50$50$50$50
Performance meter    $150$150
Steering-linked headlights    $150$150
Xenon HID headlights  $500$500  
Seats and Interior Trim 
Center armrest(s), second row$50$50    
Folding second row seats w/o opening to trunk  $75$75$75$75
Leather door panel trim  $250$250$250$250
Manual lumbar adjuster, driver seat$50$50    
Manual lumbar adjuster, passenger seat$50$50    
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$100
Power fore-aft adjuster, passenger seat$100$100  $100$100
Power recliner, driver seat  $100$100$100$100
Power recliner, passenger seat  $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$100
Power tilt adjuster, passenger seat$100$100  $100$100
Synthetic suede headliner  $650$650$650$650
Upholstered instrument panel, leather    $1000$1000
Wood trim     $300
Suspension, Wheels, and Tires 
Active stabilizer bars     $500
Adaptive dampers - electrical  $500$500$500$500
Electronic systems calibration selector    $200$200
Machined alloy wheels$350     
Polished alloy wheels $350$350$350$350$350
Rear wheel steering    $1500$1500
Sport suspension (upgrade) $0    
Transmission 
Steering-wheel-mounted transmission controls    $100$100
Total Value of Features$3,665$3,740$7,185$7,185$16,435$21,835
Value of Feature Adjustments$0$75$3,520$3,520$12,770$18,170
Value of Feature Adjustments0-71-3,158-3,163-11,501-16,354

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Specifications Comparison: Pontiac G8 vs. Porsche 911

Model Year20092017
ModelG8911
Body4dr Sedan2dr Coupe
Wheelbase114.8 in96.5 in
Length196.1 in177.1 in
Width74.8 in71.2 in
Height57.7 in50.9 in
Curb Weight3,856 lb.3,154 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 Volume,
Minimum
17.5 ft35.1 ft3
Cargo Volume,
Maximum
17.514.3 ft3

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Option Package Details
Pontiac G8 GT

Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Center armrest(s), second row50No
Total Requested130096%
Total Not Requested504%

Option Package Details
Porsche 911 Carrera

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%
Torque vectoring, brake-based
FeatureValueRequested?
Torque vectoring, brake-based100No
Limited-slip rear differential300Yes
Total Requested30075%
Total Not Requested10025%
245/35ZR20 tires
FeatureValueRequested?
245/35ZR20 tires200No
305/30ZR20 tires200No
Total Requested00%
Total Not Requested400100%

Option Package Details
Porsche 911 Carrera S

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%

Option Package Details
Porsche 911 Turbo

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%

Option Package Details
Porsche 911 Turbo S

Heated steering wheel
FeatureValueRequested?
Heated steering wheel100No
Audio controls on steering wheel125Yes
Total Requested12556%
Total Not Requested10044%

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