Pontiac Grand Prix Pontiac Grand Prix 2007 Cadillac STS Cadillac STS 2011

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Pontiac Grand Prix 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 Grand Prix vs. Cadillac STS Invoice Comparison

Lowest Total Price: $33,264

Pontiac Grand Prix GXP   
Difference: $23,131

Lowest Total Invoice: $31,039

Pontiac Grand Prix GXP   
Difference: $21,991

Calculate Payments

  Down Payment Interest Rate Term
Model Year200720112011
ModelGrand PrixSTSSTS
TrimGXPLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Base Price $28,815 $50,820 $56,380
Base Invoice $27,230 $48,024 $53,279
Floor mats 80    
Side curtain airbags 395    
Satellite radio 199    
Engine-block heater 50 100 100
Sunroof 895    
Navigation system 2,145    
Premium Luxury Collection   4,600 2,840
Floor mats 66    
Side curtain airbags 328    
Satellite radio 165    
Engine-block heater 42 83 83
Sunroof 743    
Navigation system 1,780    
Premium Luxury Collection   4,048 2,499
Options (change) 3,764 4,700 2,940
Options (change) 3,124 4,131 2,582
Destination 685 875 875
Total Price $33,264 $56,395 $60,195
Total Invoice $31,039 $53,030 $56,736

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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 Pontiac Grand Prix 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 Grand Prix vs. Cadillac STS

Lowest Adjusted Price and Invoice: Pontiac Grand Prix GXP
TrueDelta Adjusted Price Difference: $19,906
TrueDelta Adjusted Invoice Difference: $18,958
Model Year200720112011
ModelGrand PrixSTSSTS
TrimGXPLuxuryPremium
Body4dr Sedan4dr Sedan4dr Sedan
Engine303hp V8302hp V6302hp V6
TransmissionT4T6T6
DrivetrainFWDRWDRWD
EPA Fuel Economy (city/highway)18/27 MPG17/26 MPG17/26 MPG
Audio (watts, speakers)245, 9?, 8?, 8
Tire (rear if not all the same)255/45-18235/50-17235/50-18
Total Price$33,264$56,395$60,195
Adjustments for Features0-3,225-5,650
Feature-Adjusted Total Price$33,264$53,170$54,545
Cost Above Minimum$0$0$1,375
Total Invoice$31,039$53,030$56,736
Adjustments for Features0-3,033-5,325
Feature-Adjusted Total Invoice$31,039$49,997$51,411
Cost Above Minimum$0$0$1,414

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Features Comparison: Pontiac Grand Prix vs. Cadillac STS

Model Year200720112011
ModelGrand PrixSTSSTS
TrimGXPLuxuryPremium
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
Remote keyless entry $225$225
Remote keyless entry, extended range$225  
Tilt steering wheel, manual$150  
Tilt/telescoping steering wheel, power $350$350
Universal garage door opener $100$100
Brakes, Airbags, and Other Safety 
Blind spot warning system $200$200
Brake assist $50$50
Front side airbags $350$350
Lane departure warning $200$200
Obstacle detection, rear $250$250
Cargo Management 
Rear seat pass-through $100$100
Climate Control 
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
CD changer, in-dash $325$325
CD player$125  
DVD-compatible player  $0
Navigation system$600 $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$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 passenger seat$150  
Folding second row seats$300  
Heated second row seats $200$200
Leather-wrapped steering wheel$150  
Memory system, driver seat $200$200
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
Synthetic suede inserts in leather seating surfaces$0  
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
Transmission 
Steering-wheel-mounted transmission controls$100  
Total Value of Features$3,175$6,400$8,825
Value of Feature Adjustments$0$3,225$5,650
Value of Feature Adjustments0-3,033-5,325

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Specifications Comparison: Pontiac Grand Prix vs. Cadillac STS

Model Year20072011
ModelGrand PrixSTS
Body4dr Sedan4dr Sedan
Wheelbase110.5 in116.4 in
Length198.3 in196.7 in
Width71.6 in72.6 in
Height55.9 in57.6 in
Curb Weight3,600 lb.3,973 lb.
Fuel Capacity17.0 gal.17.0 gal.
Row 1 Headroom38.8 in38.7 in
Row 1 Shoulder Room58.0 in58.6 in
Row 1 Hip Room54.5 in54.6 in
Row 1 Legroom42.2 in42.6 in
Row 2 Headroom36.2 in37.9 in
Row 2 Shoulder Room54.8 in57.4 in
Row 2 Hip Room54.3 in55.6 in
Row 2 Legroom36.2 in38.3 in
Cargo Volume16.0 ft313.8 ft3

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Option Package Details
Cadillac STS Luxury

Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150No
Head-up display (HUD)350Yes
Lane departure warning system200No
Blind spot warning system200No
Total Requested125069%
Total Not Requested55031%

Option Package Details
Cadillac STS Premium

Premium Luxury Collection
FeatureValueRequested?
Sunroof900Yes
Termporary spare tire150No
Head-up display (HUD)350Yes
Lane departure warning system200No
Blind spot warning system200No
Total Requested125069%
Total Not Requested55031%

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