Cadillac STS Cadillac STS 2011 Pontiac G6 Pontiac G6 2008

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

Lowest Total Price: $26,990

Pontiac G6 GT   
Difference: $26,355

Lowest Total Invoice: $25,169

Pontiac G6 GT   
Difference: $25,177

Calculate Payments

  Down Payment Interest Rate Term
Model Year2011201120082008
ModelSTSSTSG6G6
TrimLuxuryPremiumGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $50,820 $56,380 $23,100 $26,960
Base Invoice $48,024 $53,279 $21,830 $25,477
Temporary spare tire 350 350    
Engine-block heater 100 100 75 75
Sunroof 1,200 1,200    
Premium Package     1,475  
Sun and Sound Package     1,100 1,100
Rear spoiler     200  
225/50R18     390  
Floor mats       80
Cargo net       45
Remote start       190
Temporary spare tire 308 308    
Engine-block heater 83 83 62 62
Sunroof 1,056 1,056    
Premium Package     1,224  
Sun and Sound Package     913 913
Rear spoiler     166  
225/50R18     324  
Floor mats       66
Cargo net       37
Remote start       158
Options (change) 1,650 1,650 3,240 1,490
Options (change) 1,447 1,447 2,689 1,236
Destination 875 875 650 650
Total Price $53,345 $58,905 $26,990 $29,100
Total Invoice $50,346 $55,601 $25,169 $27,363

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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

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Cadillac STS dealer quotes or Pontiac G6 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: Cadillac STS vs. Pontiac G6

Lowest Adjusted Price and Invoice: Pontiac G6 GT
TrueDelta Adjusted Price Difference: $22,805
TrueDelta Adjusted Invoice Difference: $21,827
Model Year2011201120082008
ModelSTSSTSG6G6
TrimLuxuryPremiumGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine302hp V6302hp V6219hp V6252hp V6
TransmissionT6T6T4T6
DrivetrainRWDRWDFWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8300, 15200, 8200, 8
Tire (rear if not all the same)235/50-17235/50-18225/50-18225/50-18
Total Price$53,345$58,905$26,990$29,100
Adjustments for Features-3,550-5,9750-675
Feature-Adjusted Total Price$49,795$52,930$26,990$28,425
Cost Above Minimum$0$3,135$0$1,435
Total Invoice$50,346$55,601$25,169$27,363
Adjustments for Features-3,350-5,6400-635
Feature-Adjusted Total Invoice$46,996$49,961$25,169$26,728
Cost Above Minimum$0$2,965$0$1,559

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Features Comparison: Cadillac STS vs. Pontiac G6

Model Year2011201120082008
ModelSTSSTSG6G6
TrimLuxuryPremiumGTGXP
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 $1100
4-speed manually-shiftable automatic  $900 
RWD$0$0  
FWD  $0$0
Accessories 
Heated steering wheel$100$100  
Power-adjustable pedals  $125 
Proximity key$250$250  
Tilt/telescoping steering wheel, manual  $250$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  
Cargo Management 
Rear seat pass-through$100$100  
Climate Control 
Automatic air recirculation$100$100  
Automatic climate control, front$200$200 $200
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 
Body kit   $0
Laminated front side windows$200$200  
Rear spoiler $200$200$200
Infotainment 
Aux input  $50$50
Bluetooth cell phone link$100$100  
DVD-Audio-compatible player$0   
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  
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 $150
Compass$0  $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  
Door sill trim plates$100$100  
Folding second row seats  $300$300
Heated second row seats$200$200  
Leather-wrapped steering wheel  $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  
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  
Chrome-clad alloy wheels   $600
Machined alloy wheels  $350 
Performance steering system (optional)  $0$0
Polished alloy wheels$350$350  
Sport suspension (upgrade) $0$0$0
Total Value of Features$6,125$8,550$2,575$3,250
Value of Feature Adjustments$3,550$5,975$0$675
Value of Feature Adjustments-3,350-5,6400-635

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Specifications Comparison: Cadillac STS vs. Pontiac G6

Model Year20112008
ModelSTSG6
Body4dr Sedan4dr Sedan
Wheelbase116.4 in112.3 in
Length196.7 in189.1 in
Width72.6 in70.6 in
Height57.6 in57.0 in
Curb Weight3,974 lb.3,458 lb.
Fuel Capacity17.0 gal.16.4 gal.
Row 1 Headroom38.7 in39.0 in
Row 1 Shoulder Room58.6 in55.4 in
Row 1 Hip Room54.6 in52.7 in
Row 1 Legroom42.6 in42.2 in
Row 2 Headroom37.9 in36.5 in
Row 2 Shoulder Room57.4 in55.4 in
Row 2 Hip Room55.6 in51.9 in
Row 2 Legroom38.3 in37.6 in
Cargo Volume13.8 ft314.0 ft3

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Option Package Details
Pontiac G6 GT

225/50R18 tires
FeatureValueRequested?
225/50R18 tires400No
Stability control400Yes
Machined alloy wheels350No
Total Requested40035%
Total Not Requested75065%
Premium Package
FeatureValueRequested?
Leather seating surfaces900Yes
Heated front seats200Yes
Power fore-aft adjuster, driver seat100Yes
Power tilt adjuster, driver seat100Yes
Floor mats75Yes
Power-adjustable pedals125No
Cargo net40Yes
Remote start150Yes
Total Requested156593%
Total Not Requested1257%
Sun and Sound Package
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200Yes
Total Requested1100100%
Total Not Requested00%

Option Package Details
Pontiac G6 GXP

Sun and Sound Package
FeatureValueRequested?
Sunroof900Yes
CD changer, in-dash200Yes
Total Requested1100100%
Total Not Requested00%

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