Pontiac G6 Pontiac G6 2007 Cadillac STS Cadillac STS 2009

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

Join Us

Pontiac G6 vs. Cadillac STS 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 G6 vs. Cadillac STS Invoice Comparison

Lowest Total Price: $26,919

Pontiac G6 GT   
Difference: $21,566

Lowest Total Invoice: $25,027

Pontiac G6 GT   
Difference: $20,220

Calculate Payments

  Down Payment Interest Rate Term
Model Year20072007200920092009
ModelG6G6STSSTSSTS
TrimGTGTPV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $22,380 $24,650 $46,410 $55,910 $80,160
Base Invoice $21,149 $23,294 $43,393 $52,276 $73,448
Premium Package 1,350 1,250      
Sun and Sound Package 1,100 1,100      
Rear spoiler 200        
Telematics service, such as OnStar 695 695      
Front side airbags 295 295      
Satellite radio 199        
Engine-block heater 50 50 100 100 100
Sunroof     1,200   1,200
Premium Package 1,120 1,038      
Sun and Sound Package 913 913      
Rear spoiler 166        
Telematics service, such as OnStar 577 577      
Front side airbags 245 245      
Satellite radio 165        
Engine-block heater 42 42 83 83 83
Sunroof     996   996
Options (change) 3,889 3,390 1,300 100 1,300
Options (change) 3,228 2,815 1,079 83 1,079
Destination 650 650 775 775 775
Gas Tax 0 0 0 0 2,100
Total Price $26,919 $28,690 $48,485 $56,785 $84,335
Total Invoice $25,027 $26,759 $45,247 $53,134 $77,402

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 Pontiac G6 dealer quotes or Cadillac STS 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: Pontiac G6 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Pontiac G6 GT
TrueDelta Adjusted Price Difference: $19,481
TrueDelta Adjusted Invoice Difference: $18,274
Model Year20072007200920092009
ModelG6G6STSSTSSTS
TrimGTGTPV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine224hp V6252hp V6302hp V6320hp V8469hp V8
TransmissionT4T6T6T6T6
DrivetrainFWDFWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)200, 8200, 8?, 8?, 8300, 15
Tire (rear if not all the same)225/50-17225/50-18235/50-17235/50-17255/45-18
Total Price$26,919$28,690$48,485$56,785$84,335
Adjustments for Features0-950-2,085-3,025-8,065
Feature-Adjusted Total Price$26,919$27,740$46,400$53,760$76,270
Cost Above Minimum$0$821$0$7,360$29,870
Total Invoice$25,027$26,759$45,247$53,134$77,402
Adjustments for Features0-886-1,946-2,831-7,402
Feature-Adjusted Total Invoice$25,027$25,873$43,301$50,303$70,000
Cost Above Minimum$0$846$0$7,002$26,699

Return to top

Features Comparison: Pontiac G6 vs. Cadillac STS

Model Year20072007200920092009
ModelG6G6STSSTSSTS
TrimGTGTPV6V8STS-V
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
4-speed manually-shiftable automatic$900    
6-speed manually-shiftable automatic $1100$1100$1100$1100
FWD$0$0   
RWD  $0$0$0
Accessories 
Heated steering wheel   $100$100
Proximity key  $250$250$250
Tilt/telescoping steering wheel, manual$250$250   
Tilt/telescoping steering wheel, power  $350$350$350
Universal garage door opener   $100$100
Brakes, Airbags, and Other Safety 
Blind spot warning system    $200
Brake assist  $50$50$50
Lane departure warning    $200
Obstacle detection, rear  $250$250$250
Stability control $400$400$400$400
Tire-pressure monitor  $75$75$75
Tires, run-flat    $150
Cargo Management 
Cargo net$40$40 $40$40
Rear seat pass-through  $100$100$100
Climate Control 
Automatic climate control, front $200$200$200$200
Dual-zone climate control  $125$125$125
Heated windshield washer nozzles    $15
Interior air filter  $0$0$0
Rain-sensing wipers   $175$175
Rear air vents with manual controls  $150$150$150
Variable intermittent wipers$75$75$75  
Drivetrain 
Limited-slip rear differential    $300
Exterior 
Bodyside moldings$75$75   
Laminated front side windows  $200$200$200
Rear spoiler$200$200  $200
Sunroof$900$900$900 $900
Infotainment 
Bluetooth cell phone link  $100$100$100
CD changer, in-dash$325$325 $325$325
CD player  $125  
DVD-compatible player    $0
Navigation system    $600
Rear seat audio controls    $25
Surround sound    $250
Telematics service, such as OnStar$200$200   
Telematics service, such as OnStar, with navigation  $225$225$225
Voice control for nav and audio    $100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75$75$75
Auto-dimming headlights    $200
Auto-dimming rearview mirror $150$150$150$150
Compass $0$0$0 
Head-up display (HUD)    $350
Headlight washers    $50
Heated mirrors  $25$25$25
Turn signals on or near mirrors  $25$25$25
Xenon HID headlights    $500
Seats and Interior Trim 
Aluminum trim  $100  
Center armrest(s), second row  $50$50$50
Folding second row seats$300$300   
Heated front seats$200$200 $200$200
Heated second row seats   $200$200
Leather-wrapped steering wheel$150$150$150 $150
Manual lumbar adjuster, driver seat$50$50   
Memory system, driver seat   $200$200
Power 4-way lumbar adjuster, driver seat   $150$150
Power 4-way lumbar adjuster, passenger seat   $150$150
Power fore-aft adjuster, passenger seat  $100$100$100
Power height adjuster, passenger seat  $100$100$100
Power recliner, driver seat  $100$100$100
Power recliner, passenger seat  $100$100$100
Power tilt adjuster, passenger seat  $100$100$100
Synthetic suede inserts in leather seating surfaces    $0
Upholstered instrument panel, leather    $1000
Wood trim   $300$300
Wood/leather-wrapped steering wheel   $150 
Suspension, Wheels, and Tires 
Alloy wheels    $350
Auto-leveling rear shocks   $200$200
Performance steering system (optional)$0$0  $0
Polished alloy wheels$350$350$350$350 
Sport suspension (upgrade)$0$0  $0
Total Value of Features$4,015$4,965$6,100$7,040$12,080
Value of Feature Adjustments$0$950$2,085$3,025$8,065
Value of Feature Adjustments0-886-1,946-2,831-7,402

Return to top

Specifications Comparison: Pontiac G6 vs. Cadillac STS

Model Year20072009
ModelG6STS
Body4dr Sedan4dr Sedan
Wheelbase112.3 in116.4 in
Length189.1 in196.7 in
Width70.6 in72.6 in
Height57.0 in57.6 in
Curb Weight3,458 lb.3,974 lb.
Fuel Capacity16.4 gal.17.0 gal.
Row 1 Headroom39.0 in38.7 in
Row 1 Shoulder Room55.4 in58.6 in
Row 1 Hip Room52.7 in54.6 in
Row 1 Legroom42.2 in42.6 in
Row 2 Headroom36.5 in37.9 in
Row 2 Shoulder Room55.4 in57.4 in
Row 2 Hip Room51.9 in55.6 in
Row 2 Legroom37.6 in38.3 in
Cargo Volume14.0 ft313.8 ft3

Return to top

Option Package Details
Pontiac G6 GT

Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Floor mats75Yes
Cargo net40Yes
Remote start150Yes
Total Requested1565100%
Total Not Requested00%
Sun and Sound Package
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200Yes
Total Requested1100100%
Total Not Requested00%

Option Package Details
Pontiac G6 GTP

Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Floor mats75Yes
Cargo net40Yes
Remote start150Yes
Total Requested1365100%
Total Not Requested00%
Sun and Sound Package
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200Yes
Total Requested1100100%
Total Not Requested00%

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 Sedans, Coupes, and Convertibles.
See TrueDelta's information for all Pontiac models.