Cadillac CT6 Cadillac CT6 2018 Pontiac G8 Pontiac G8 2009

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Cadillac CT6 vs. Pontiac G8 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.

Cadillac CT6 vs. Pontiac G8 Invoice Comparison

Lowest Total Price: $31,210

Pontiac G8   
Difference: $25,250

Lowest Total Invoice: $29,269

Pontiac G8   
Difference: $24,336

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018201820182018200920092009
ModelCT6CT6CT6CT6G8G8G8
TrimBaseLuxuryPremium LuxuryPlatinumBaseGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $54,095 $59,195 $65,295 $84,295 $28,250 $31,755 $37,610
Base Invoice $51,390 $56,235 $62,030 $80,080 $26,696 $30,008 $35,541
CD player, remote 250 250 250        
Metallic paint (extra cost) 625 625 625        
Rear spoiler 495 495 495 495      
Enhanced Vision and Comfort Package   2,500          
Cargo net       60      
Premium Package         1,375 1,250  
Sunroof         900 900 900
CD player, remote 223 223 223        
Metallic paint (extra cost) 556 556 556        
Rear spoiler 441 441 441 441      
Enhanced Vision and Comfort Package   2,225          
Cargo net       53      
Premium Package         1,141 1,038  
Sunroof         747 747 747
Options (change) 1,370 3,870 1,370 555 2,275 2,150 900
Options (change) 1,220 3,445 1,220 494 1,888 1,785 747
Destination 995 995 995 995 685 685 685
Gas Tax 0 0 0 0 0 0 1,700
Total Price $56,460 $64,060 $67,660 $85,845 $31,210 $34,590 $40,895
Total Invoice $53,605 $60,675 $64,245 $81,569 $29,269 $32,478 $38,673

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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 Cadillac CT6 dealer quotes or Pontiac G8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac CT6 vs. Pontiac G8

Lowest Adjusted Price and Invoice: Pontiac G8
TrueDelta Adjusted Price Difference: $21,285
TrueDelta Adjusted Invoice Difference: $20,571
Model Year2018201820182018200920092009
ModelCT6CT6CT6CT6G8G8G8
TrimBaseLuxuryPremium LuxuryPlatinumBaseGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine265hp I4265hp I4335hp V6335hp V6256hp V6361hp V8415hp V8
TransmissionT8T8T8T8T5T6T6
DrivetrainRWDRWDAWDAWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8?, 10?, 10?, 34?, 7230, 11230, 11
Tire (rear if not all the same)235/50-18235/50-18245/45-19245/40-20245/45-18245/45-18245/40-19
Total Price$56,460$64,060$67,660$85,845$31,210$34,590$40,895
Adjustments for Features-3,965-10,840-13,140-23,5100-825-900
Feature-Adjusted Total Price$52,495$53,220$54,520$62,335$31,210$33,765$39,995
Cost Above Minimum$0$725$2,025$9,840$0$2,555$8,785
Total Invoice$53,605$60,675$64,245$81,569$29,269$32,478$38,673
Adjustments for Features-3,765-10,267-12,477-22,3390-775-851
Feature-Adjusted Total Invoice$49,840$50,408$51,768$59,230$29,269$31,703$37,822
Cost Above Minimum$0$568$1,928$9,390$0$2,434$8,553

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Features Comparison: Cadillac CT6 vs. Pontiac G8

Model Year2018201820182018200920092009
ModelCT6CT6CT6CT6G8G8G8
TrimBaseLuxuryPremium LuxuryPlatinumBaseGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300$1300$1300   
5-speed manually-shiftable automatic    $1000  
6-speed manually-shiftable automatic     $1100$1100
RWD$0$0  $0$0$0
AWD  $1700$1700   
Accessories 
AC power outlet $100$100$100   
Active noise reduction$0$0$0$0   
Adaptive cruise control, all-speed   $850   
Cruise control$150$150$150 $150$150$150
Electronic engine sound enhancement   $0   
Hands-free trunk or liftgate $100$100$100   
Heated steering wheel $100$100$100   
Power trunk closer $350$350$350   
Proximity key$250$250$250$250   
Remote app$25$25$25$25   
Semi-automated parking system $500$500$500   
Sunshades, second row $125$125$125   
Tilt/telescoping steering wheel, manual    $250$250$250
Tilt/telescoping steering wheel, power$350$350$350$350   
Universal garage door opener$100$100$100$100   
Brakes, Airbags, and Other Safety 
Around view cameras $500$500$500   
Automatic braking, high-speed or partial   $200   
Automatic braking, low-speed $200$200$200   
Backup collision intervention   $150   
Blind spot warning system $200$200$200   
Cross-traffic warning, rear $100$100$100   
Following distance indicator $25$25$25   
Forward collision warning $200$200$200   
Hands-free driving on limited-access highways   $1000   
Knee airbag, driver$75$75$75$75   
Knee airbag, passenger$75$75$75$75   
Lane departure warning $200$200$200   
Lane keeping assist $400$400$400   
Night vision   $1750   
Obstacle detection, front$150$150$150$150   
Obstacle detection, rear$250$250$250$250   
Pedestrian detection $50$50$50   
Radar- or camera-based collision preparation system $0$0$0   
Rearview camera$200      
Safety key$5$5$5$5   
Surround view video recorder $50$50$50   
Temporary spare tire$150$150$150$150$150  
Vehicle health reports$0$0$0$0   
Cargo Management 
Cargo net   $40$40$40$40
Climate Control 
Automatic climate control, front$200$200$200$200 $200$200
Dual-zone climate control$125$125$125$125 $125$125
Interior air filter$0$0$0$0   
Ionizing air filtration   $50   
Rain-sensing wipers $175$175$175   
Rear air vents$100$100$100 $100$100$100
Rear air vents with automatic controls   $250   
Rear dual-zone climate control   $125   
Variable intermittent wipers$75   $75$75$75
Drivetrain 
Limited-slip rear differential     $300$300
Engine / Motor 
Automatic start / stop$150$150$150$150   
Exterior 
Active grille shutters$0$0$0$0   
Hood scoop    $100$100$100
Laminated front side windows$200$200$200$200   
Panoramic sunroof $1200$1200$1200   
Sunroof    $900$900$900
Infotainment 
4G LTE connectivity$0$0$0$0   
Android Auto support$100$100$100$100   
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  
CD player, remote$100$100$100    
Entertainment system with dual headrest screens   $1200   
HD radio$50$50$50$50   
HDMI port   $25   
MP3-compatible player$50$50$50  $50$50
Navigation system $600$600$600   
SMS text-to-speech reader$25$25$25$25   
Streaming video device   $30   
Streaming video support   $25   
Surround sound $250$250$250   
Telematics service, such as OnStar    $200$200$200
Telematics service, such as OnStar, with navigation$225$225$225$225   
Traffic information $25$25$25   
Voice control for audio system$25      
Voice control for external devices$0$0$0$0   
Voice control for nav and audio $100$100$100   
Wi-Fi hotspot$50$50$50$50   
Wireless charging station$75$75$75$75   
Instruments, Lights, and Mirrors 
Approach detection$25$25$25$25   
Auto-dimming driver-side mirror $75$75$75   
Auto-dimming headlights $200$200$200   
Auto-dimming rearview mirror$150$150$150$150   
Compass    $0$0$0
Cornering lights $50$50$50   
Fog lights    $125$125$125
Head-up display (HUD)  $350$350   
Heated mirrors$25$25$25$25   
Interior ambient lighting$150$150$150$150   
Large color reconfigurable instrument cluster display  $250$250   
LED headlights$1000$1000$1000$1000   
Outside temperature display$50$50$50$50   
Power-folding mirrors $50$50$50   
Rear camera mirror $200$200$200   
Turn signals on or near mirrors$25$25$25$25   
Seats and Interior Trim 
Cooled or ventilated front seats $300$300$300   
Cooled or ventilated second row seats   $200   
Door sill trim plates$100   $100$100$100
Heated front seats $200$200$200$200$200$200
Heated second row seats $200$200$200   
Illuminated door sill trim plates $200$200$200   
Leather door panel trim   $250   
Manual lumbar adjuster, driver seat    $50$50$50
Manual lumbar adjuster, passenger seat    $50$50$50
Massage, driver seat   $100   
Massage, passenger seat   $100   
Massage, second row seats   $150   
Memory system, driver seat$200$200$200$200   
Memory system, passenger seat $150$150$150   
Metal pedals      $75
Power 4-way lumbar adjuster, driver seat $150$150$150   
Power 4-way lumbar adjuster, passenger seat $150$150$150   
Power 4-way lumbar adjuster, second row seats   $225   
Power lumbar adjuster, driver seat$100      
Power lumbar adjuster, passenger seat$100      
Power recliner, driver seat$100$100$100$100   
Power recliner, passenger seat$100$100$100$100   
Power recliner, second row seats   $150   
Power thigh support length adjuster, driver seat   $100   
Power thigh support length adjuster, passenger seat   $100   
Power tilt adjuster, second row seats   $150   
Power upper seatback recliner, driver seat   $100   
Power upper seatback recliner, passenger seat   $100   
Synthetic suede headliner   $650   
Upholstered instrument panel$300$300$300    
Upholstered instrument panel, leather   $1000   
Wood trim$300$300$300$300   
Suspension, Wheels, and Tires 
Adaptive dampers - electrical   $500   
Alloy wheels$350$350$350$350$350  
Machined alloy wheels     $350 
Polished alloy wheels      $350
Rear wheel steering   $1500   
Sport suspension (upgrade)      $0
Transmission 
Steering-wheel-mounted transmission controls$100$100$100$100   
Total Value of Features$7,930$14,805$17,105$27,475$3,965$4,790$4,865
Value of Feature Adjustments$3,965$10,840$13,140$23,510$0$825$900
Value of Feature Adjustments-3,765-10,267-12,477-22,3390-775-851

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Specifications Comparison: Cadillac CT6 vs. Pontiac G8

Model Year20182009
ModelCT6G8
Body4dr Sedan4dr Sedan
Wheelbase122.4 in114.8 in
Length204.0 in196.1 in
Width74.0 in74.8 in
Height57.9 in57.7 in
Curb Weight3,648 lb.3,856 lb.
Fuel Capacity19.5 gal.19.0 gal.
Row 1 Headroom40.1 in38.7 in
Row 1 Shoulder Room58.3 in59.1 in
Row 1 Hip Room55.8 in56.7 in
Row 1 Legroom42.3 in42.2 in
Row 2 Headroom38.0 in38.0 in
Row 2 Shoulder Room56.1 in59.1 in
Row 2 Hip Room53.4 in58.0 in
Row 2 Legroom40.4 in39.4 in
Cargo Volume15.3 ft317.5 ft3

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Option Package Details
Cadillac CT6 Luxury

Enhanced Vision and Comfort Package
FeatureValueRequested?
Heated second row seats200No
Cooled or ventilated front seats300No
Panoramic sunroof1200No
Rear camera mirror200No
Total Requested00%
Total Not Requested1900100%

Option Package Details
Pontiac G8

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 row50Yes
Leather-wrapped steering wheel150Yes
Total Requested1500100%
Total Not Requested00%

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 row50Yes
Total Requested1350100%
Total Not Requested00%

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