Pontiac G6 Pontiac G6 2006 Cadillac STS Cadillac STS 2011

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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: $27,730

Pontiac G6 GTP   
Difference: $25,265

Lowest Total Invoice: $25,776

Pontiac G6 GTP   
Difference: $24,262

Calculate Payments

  Down Payment Interest Rate Term
Model Year200620112011
ModelG6STSSTS
TrimGTPLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $23,065 $50,820 $56,380
Base Invoice $21,796 $48,024 $53,279
Premium Value Package 2 1,150    
Leather Seat Package (GTP) 1,265    
Side curtain airbags 690    
Telematics service, such as OnStar 695    
Remote start 190    
Engine-block heater 50 100 100
Sunroof   1,200 1,200
Premium Value Package 2 955    
Leather Seat Package (GTP) 1,050    
Side curtain airbags 573    
Telematics service, such as OnStar 577    
Remote start 158    
Engine-block heater 42 83 83
Sunroof   1,056 1,056
Options (change) 4,040 1,300 1,300
Options (change) 3,355 1,139 1,139
Destination 625 875 875
Total Price $27,730 $52,995 $58,555
Total Invoice $25,776 $50,038 $55,293

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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 Pontiac G6 dealer quotes or Cadillac STS dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Pontiac G6 vs. Cadillac STS

Lowest Adjusted Price and Invoice: Pontiac G6 GTP
TrueDelta Adjusted Price Difference: $21,940
TrueDelta Adjusted Invoice Difference: $21,123
Model Year200620112011
ModelG6STSSTS
TrimGTPLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Engine240hp V6302hp V6302hp V6
TransmissionT4T6T6
DrivetrainFWDRWDRWD
EPA Fuel Economy (city/highway)18/26 MPG17/26 MPG17/26 MPG
Audio (watts, speakers)200, 8?, 8300, 15
Tire (rear if not all the same)225/50-18235/50-17235/50-18
Total Price$27,730$52,995$58,555
Adjustments for Features0-3,325-5,750
Feature-Adjusted Total Price$27,730$49,670$52,805
Cost Above Minimum$0$0$3,135
Total Invoice$25,776$50,038$55,293
Adjustments for Features0-3,139-5,430
Feature-Adjusted Total Invoice$25,776$46,899$49,863
Cost Above Minimum$0$0$2,964

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Features Comparison: Pontiac G6 vs. Cadillac STS

Model Year200620112011
ModelG6STSSTS
TrimGTPLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
4-speed manually-shiftable automatic$900  
6-speed manually-shiftable automatic $1100$1100
FWD$0  
RWD $0$0
Accessories 
Heated steering wheel $100$100
Proximity key $250$250
Tilt/telescoping steering wheel, manual$250  
Tilt/telescoping steering wheel, power $350$350
Universal garage door opener $100$100
Brakes, Airbags, and Other Safety 
Brake assist $50$50
Obstacle detection, rear $250$250
Tire-pressure monitor $75$75
Cargo Management 
Rear seat pass-through $100$100
Climate Control 
Dual-zone climate control $125$125
Interior air filter $0$0
Rear air vents with manual controls $150$150
Drivetrain 
Limited-slip rear differential  $300
Exterior 
Bodyside moldings$75  
Laminated front side windows $200$200
Rear spoiler$200 $200
Infotainment 
Bluetooth cell phone link $100$100
DVD-compatible player  $0
Navigation system  $600
Rear seat audio controls  $25
Surround sound  $250
Telematics service, such as OnStar$200  
Telematics service, such as OnStar, with navigation $225$225
Voice control for nav and audio  $100
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror $75$75
Auto-dimming headlights  $200
Auto-dimming rearview mirror $150$150
Compass $0 
Headlight washers  $50
Heated mirrors $25$25
Turn signals on or near mirrors $25$25
Xenon HID headlights  $500
Seats and Interior Trim 
Center armrest(s), second row $50$50
Cooled or ventilated front seats $300$300
Folding second row seats$300  
Heated second row seats $200$200
Leather-wrapped steering wheel$150  
Manual lumbar adjuster, driver seat$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
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
Wood trim $300$300
Wood/leather-wrapped steering wheel $150$150
Suspension, Wheels, and Tires 
Auto-leveling rear shocks  $200
Performance steering system (optional)$0  
Sport suspension (upgrade)$0 $0
Total Value of Features$2,125$5,450$7,875
Value of Feature Adjustments$0$3,325$5,750
Value of Feature Adjustments0-3,139-5,430

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Specifications Comparison: Pontiac G6 vs. Cadillac STS

Model Year20062011
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 Weight3,525 lb.3,973 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

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Option Package Details
Pontiac G6 GTP

Premium Value Package 2
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash325Yes
Polished alloy wheels0Yes
Total Requested1225100%
Total Not Requested00%
Leather Seat Package (GTP)
FeatureValueRequested?
Leather seating surfaces900Yes
Audio controls on steering wheel125Yes
Heated front seats200Yes
Leather-wrapped steering wheel150Yes
Total Requested1375100%
Total Not Requested00%

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